2016-04-14 Basile Starynkevitch <basile@starynkevitch.net>

	{{merging with even more of GCC 6, using subversion 1.9
	svn merge -r228401:229500 ^/trunk
	}}



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@234985 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 197 insertions, 172 deletions

diff --git a/gcc/params.def b/gcc/params.def
index db5d5fce161..b372d687d7e 100644
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -35,18 +35,23 @@ along with GCC; see the file COPYING3.  If not see
      - The maximum acceptable value for the parameter (if greater than
      the minimum).
 
+   The DEFPARAMENUM<N> macro is similar, but instead of the minumum and maximum
+   arguments, it contains a list of <N> allowed strings, corresponding to
+   integer values 0..<N>-1.  Note that the default argument needs to be
+   specified as one of the allowed strings, rather than an integer value.
+
    Be sure to add an entry to invoke.texi summarizing the parameter.  */
 
 /* When branch is predicted to be taken with probability lower than this
    threshold (in percent), then it is considered well predictable. */
 DEFPARAM (PARAM_PREDICTABLE_BRANCH_OUTCOME,
 	  "predictable-branch-outcome",
-	  "Maximal estimated outcome of branch considered predictable",
+	  "Maximal estimated outcome of branch considered predictable.",
 	  2, 0, 50)
 
 DEFPARAM (PARAM_INLINE_MIN_SPEEDUP,
 	  "inline-min-speedup",
-	  "The minimal estimated speedup allowing inliner to ignore inline-insns-single and inline-isnsns-auto",
+	  "The minimal estimated speedup allowing inliner to ignore inline-insns-single and inline-isnsns-auto.",
 	  10, 0, 0)
 
 /* The single function inlining limit. This is the maximum size
@@ -63,7 +68,7 @@ DEFPARAM (PARAM_INLINE_MIN_SPEEDUP,
    gets decreased.  */
 DEFPARAM (PARAM_MAX_INLINE_INSNS_SINGLE,
 	  "max-inline-insns-single",
-	  "The maximum number of instructions in a single function eligible for inlining",
+	  "The maximum number of instructions in a single function eligible for inlining.",
 	  400, 0, 0)
 
 /* The single function inlining limit for functions that are
@@ -75,32 +80,32 @@ DEFPARAM (PARAM_MAX_INLINE_INSNS_SINGLE,
    The default value is 40.  */
 DEFPARAM (PARAM_MAX_INLINE_INSNS_AUTO,
 	  "max-inline-insns-auto",
-	  "The maximum number of instructions when automatically inlining",
+	  "The maximum number of instructions when automatically inlining.",
 	  40, 0, 0)
 
 DEFPARAM (PARAM_MAX_INLINE_INSNS_RECURSIVE,
 	  "max-inline-insns-recursive",
-	  "The maximum number of instructions inline function can grow to via recursive inlining",
+	  "The maximum number of instructions inline function can grow to via recursive inlining.",
 	  450, 0, 0)
 
 DEFPARAM (PARAM_MAX_INLINE_INSNS_RECURSIVE_AUTO,
 	  "max-inline-insns-recursive-auto",
-	  "The maximum number of instructions non-inline function can grow to via recursive inlining",
+	  "The maximum number of instructions non-inline function can grow to via recursive inlining.",
 	  450, 0, 0)
 
 DEFPARAM (PARAM_MAX_INLINE_RECURSIVE_DEPTH,
 	  "max-inline-recursive-depth",
-	  "The maximum depth of recursive inlining for inline functions",
+	  "The maximum depth of recursive inlining for inline functions.",
 	  8, 0, 0)
 
 DEFPARAM (PARAM_MAX_INLINE_RECURSIVE_DEPTH_AUTO,
 	  "max-inline-recursive-depth-auto",
-	  "The maximum depth of recursive inlining for non-inline functions",
+	  "The maximum depth of recursive inlining for non-inline functions.",
 	  8, 0, 0)
 
 DEFPARAM (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY,
 	  "min-inline-recursive-probability",
-	  "Inline recursively only when the probability of call being executed exceeds the parameter",
+	  "Inline recursively only when the probability of call being executed exceeds the parameter.",
 	  10, 0, 0)
 
 /* Limit of iterations of early inliner.  This basically bounds number of
@@ -108,32 +113,32 @@ DEFPARAM (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY,
    handled by late inlining.  */
 DEFPARAM (PARAM_EARLY_INLINER_MAX_ITERATIONS,
 	  "max-early-inliner-iterations",
-	  "The maximum number of nested indirect inlining performed by early inliner",
+	  "The maximum number of nested indirect inlining performed by early inliner.",
 	  1, 0, 0)
 
 /* Limit on probability of entry BB.  */
 DEFPARAM (PARAM_COMDAT_SHARING_PROBABILITY,
 	  "comdat-sharing-probability",
-	  "Probability that COMDAT function will be shared with different compilation unit",
+	  "Probability that COMDAT function will be shared with different compilation unit.",
 	  20, 0, 0)
 
 /* Limit on probability of entry BB.  */
 DEFPARAM (PARAM_PARTIAL_INLINING_ENTRY_PROBABILITY,
 	  "partial-inlining-entry-probability",
-	  "Maximum probability of the entry BB of split region (in percent relative to entry BB of the function) to make partial inlining happen",
+	  "Maximum probability of the entry BB of split region (in percent relative to entry BB of the function) to make partial inlining happen.",
 	  70, 0, 0)
 
 /* Limit the number of expansions created by the variable expansion
    optimization to avoid register pressure.  */
 DEFPARAM (PARAM_MAX_VARIABLE_EXPANSIONS,
 	  "max-variable-expansions-in-unroller",
-	  "If -fvariable-expansion-in-unroller is used, the maximum number of times that an individual variable will be expanded during loop unrolling",
+	  "If -fvariable-expansion-in-unroller is used, the maximum number of times that an individual variable will be expanded during loop unrolling.",
           1, 0, 0)
 
 /* Limit loop autovectorization to loops with large enough iteration count.  */
 DEFPARAM (PARAM_MIN_VECT_LOOP_BOUND,
 	  "min-vect-loop-bound",
-	  "If -ftree-vectorize is used, the minimal loop bound of a loop to be considered for vectorization",
+	  "If -ftree-vectorize is used, the minimal loop bound of a loop to be considered for vectorization.",
 	  1, 1, 0)
 
 /* The maximum number of instructions to consider when looking for an
@@ -144,7 +149,7 @@ DEFPARAM (PARAM_MIN_VECT_LOOP_BOUND,
    increase with probably small improvement in executable run time.  */
 DEFPARAM (PARAM_MAX_DELAY_SLOT_INSN_SEARCH,
 	  "max-delay-slot-insn-search",
-	  "The maximum number of instructions to consider to fill a delay slot",
+	  "The maximum number of instructions to consider to fill a delay slot.",
 	  100, 0, 0)
 
 /* When trying to fill delay slots, the maximum number of instructions
@@ -155,7 +160,7 @@ DEFPARAM (PARAM_MAX_DELAY_SLOT_INSN_SEARCH,
    to maintain the control-flow graph.  */
 DEFPARAM(PARAM_MAX_DELAY_SLOT_LIVE_SEARCH,
 	 "max-delay-slot-live-search",
-	 "The maximum number of instructions to consider to find accurate live register information",
+	 "The maximum number of instructions to consider to find accurate live register information.",
 	 333, 0, 0)
 
 /* This parameter limits the number of branch elements that the
@@ -165,61 +170,61 @@ DEFPARAM(PARAM_MAX_DELAY_SLOT_LIVE_SEARCH,
    the compiler either uses all available memory, or runs for far too long.  */
 DEFPARAM(PARAM_MAX_PENDING_LIST_LENGTH,
 	 "max-pending-list-length",
-	 "The maximum length of scheduling's pending operations list",
+	 "The maximum length of scheduling's pending operations list.",
 	 32, 0, 0)
 
 /* This parameter limits the number of backtracking attempts when using the
    haifa scheduler for modulo scheduling.  */
 DEFPARAM(PARAM_MAX_MODULO_BACKTRACK_ATTEMPTS,
 	 "max-modulo-backtrack-attempts",
-	 "The maximum number of backtrack attempts the scheduler should make when modulo scheduling a loop",
+	 "The maximum number of backtrack attempts the scheduler should make when modulo scheduling a loop.",
 	 40, 0, 0)
 
 DEFPARAM(PARAM_LARGE_FUNCTION_INSNS,
 	 "large-function-insns",
-	 "The size of function body to be considered large",
+	 "The size of function body to be considered large.",
 	 2700, 0, 0)
 DEFPARAM(PARAM_LARGE_FUNCTION_GROWTH,
 	 "large-function-growth",
-	 "Maximal growth due to inlining of large function (in percent)",
+	 "Maximal growth due to inlining of large function (in percent).",
 	 100, 0, 0)
 DEFPARAM(PARAM_LARGE_UNIT_INSNS,
 	 "large-unit-insns",
-	 "The size of translation unit to be considered large",
+	 "The size of translation unit to be considered large.",
 	 10000, 0, 0)
 DEFPARAM(PARAM_INLINE_UNIT_GROWTH,
 	 "inline-unit-growth",
-	 "How much can given compilation unit grow because of the inlining (in percent)",
+	 "How much can given compilation unit grow because of the inlining (in percent).",
 	 20, 0, 0)
 DEFPARAM(PARAM_IPCP_UNIT_GROWTH,
 	 "ipcp-unit-growth",
-	 "How much can given compilation unit grow because of the interprocedural constant propagation (in percent)",
+	 "How much can given compilation unit grow because of the interprocedural constant propagation (in percent).",
 	 10, 0, 0)
 DEFPARAM(PARAM_EARLY_INLINING_INSNS,
 	 "early-inlining-insns",
-	 "Maximal estimated growth of function body caused by early inlining of single call",
+	 "Maximal estimated growth of function body caused by early inlining of single call.",
 	 14, 0, 0)
 DEFPARAM(PARAM_LARGE_STACK_FRAME,
 	 "large-stack-frame",
-	 "The size of stack frame to be considered large",
+	 "The size of stack frame to be considered large.",
 	 256, 0, 0)
 DEFPARAM(PARAM_STACK_FRAME_GROWTH,
 	 "large-stack-frame-growth",
-	 "Maximal stack frame growth due to inlining (in percent)",
+	 "Maximal stack frame growth due to inlining (in percent).",
 	 1000, 0, 0)
 
 /* The GCSE optimization will be disabled if it would require
    significantly more memory than this value.  */
 DEFPARAM(PARAM_MAX_GCSE_MEMORY,
 	 "max-gcse-memory",
-	 "The maximum amount of memory to be allocated by GCSE",
+	 "The maximum amount of memory to be allocated by GCSE.",
 	 50 * 1024 * 1024, 0, 0)
 
 /* The GCSE optimization of an expression will avoided if the ratio of
    insertions to deletions is greater than this value.  */
 DEFPARAM(PARAM_MAX_GCSE_INSERTION_RATIO,
 	 "max-gcse-insertion-ratio",
-	 "The maximum ratio of insertions to deletions of expressions in GCSE",
+	 "The maximum ratio of insertions to deletions of expressions in GCSE.",
 	 20, 0, 0)
 
 /* This is the threshold ratio when to perform partial redundancy
@@ -230,14 +235,14 @@ DEFPARAM(PARAM_MAX_GCSE_INSERTION_RATIO,
    (Added loads execution count)					  */
 DEFPARAM(PARAM_GCSE_AFTER_RELOAD_PARTIAL_FRACTION,
 	"gcse-after-reload-partial-fraction",
-	"The threshold ratio for performing partial redundancy elimination after reload",
+	"The threshold ratio for performing partial redundancy elimination after reload.",
         3, 0, 0)
 /* This is the threshold ratio of the critical edges execution count compared to
    the redundant loads execution count that permits performing the load
    redundancy elimination in gcse after reload.  */
 DEFPARAM(PARAM_GCSE_AFTER_RELOAD_CRITICAL_FRACTION,
 	"gcse-after-reload-critical-fraction",
-	"The threshold ratio of critical edges execution count that permit performing redundancy elimination after reload",
+	"The threshold ratio of critical edges execution count that permit performing redundancy elimination after reload.",
         10, 0, 0)
 
 /* GCSE will use GCSE_COST_DISTANCE_RATION as a scaling factor
@@ -245,13 +250,13 @@ DEFPARAM(PARAM_GCSE_AFTER_RELOAD_CRITICAL_FRACTION,
    from its rtx_cost.  */
 DEFPARAM(PARAM_GCSE_COST_DISTANCE_RATIO,
 	 "gcse-cost-distance-ratio",
-	 "Scaling factor in calculation of maximum distance an expression can be moved by GCSE optimizations",
+	 "Scaling factor in calculation of maximum distance an expression can be moved by GCSE optimizations.",
 	 10, 0, 0)
 /* GCSE won't restrict distance for which an expression with rtx_cost greater
    than COSTS_N_INSN(GCSE_UNRESTRICTED_COST) is allowed to move.  */
 DEFPARAM(PARAM_GCSE_UNRESTRICTED_COST,
 	 "gcse-unrestricted-cost",
-	 "Cost at which GCSE optimizations will not constraint the distance an expression can travel",
+	 "Cost at which GCSE optimizations will not constraint the distance an expression can travel.",
 	 3, 0, 0)
 
 /* How deep from a given basic block the dominator tree should be searched
@@ -259,7 +264,7 @@ DEFPARAM(PARAM_GCSE_UNRESTRICTED_COST,
    the search.  */
 DEFPARAM(PARAM_MAX_HOIST_DEPTH,
 	 "max-hoist-depth",
-	 "Maximum depth of search in the dominator tree for expressions to hoist",
+	 "Maximum depth of search in the dominator tree for expressions to hoist.",
 	 30, 0, 0)
 
 
@@ -267,7 +272,7 @@ DEFPARAM(PARAM_MAX_HOIST_DEPTH,
    roots, this controls how deep sqrt chains we are willing to generate.  */
 DEFPARAM(PARAM_MAX_POW_SQRT_DEPTH,
 	 "max-pow-sqrt-depth",
-	 "Maximum depth of sqrt chains to use when synthesizing exponentiation by a real constant",
+	 "Maximum depth of sqrt chains to use when synthesizing exponentiation by a real constant.",
 	 5, 1, 32)
 
 /* This parameter limits the number of insns in a loop that will be unrolled,
@@ -279,83 +284,83 @@ DEFPARAM(PARAM_MAX_POW_SQRT_DEPTH,
    otherwise.  */
 DEFPARAM(PARAM_MAX_UNROLLED_INSNS,
 	 "max-unrolled-insns",
-	 "The maximum number of instructions to consider to unroll in a loop",
+	 "The maximum number of instructions to consider to unroll in a loop.",
 	 200, 0, 0)
 /* This parameter limits how many times the loop is unrolled depending
    on number of insns really executed in each iteration.  */
 DEFPARAM(PARAM_MAX_AVERAGE_UNROLLED_INSNS,
 	 "max-average-unrolled-insns",
-	 "The maximum number of instructions to consider to unroll in a loop on average",
+	 "The maximum number of instructions to consider to unroll in a loop on average.",
 	 80, 0, 0)
 /* The maximum number of unrollings of a single loop.  */
 DEFPARAM(PARAM_MAX_UNROLL_TIMES,
 	"max-unroll-times",
-	"The maximum number of unrollings of a single loop",
+	"The maximum number of unrollings of a single loop.",
 	8, 0, 0)
 /* The maximum number of insns of a peeled loop.  */
 DEFPARAM(PARAM_MAX_PEELED_INSNS,
 	"max-peeled-insns",
-	"The maximum number of insns of a peeled loop",
+	"The maximum number of insns of a peeled loop.",
 	100, 0, 0)
 /* The maximum number of peelings of a single loop.  */
 DEFPARAM(PARAM_MAX_PEEL_TIMES,
 	"max-peel-times",
-	"The maximum number of peelings of a single loop",
+	"The maximum number of peelings of a single loop.",
 	16, 0, 0)
 /* The maximum number of peelings of a single loop that is peeled completely.  */
 DEFPARAM(PARAM_MAX_PEEL_BRANCHES,
 	"max-peel-branches",
-	"The maximum number of branches on the path through the peeled sequence",
+	"The maximum number of branches on the path through the peeled sequence.",
 	32, 0, 0)
 /* The maximum number of insns of a peeled loop.  */
 DEFPARAM(PARAM_MAX_COMPLETELY_PEELED_INSNS,
 	"max-completely-peeled-insns",
-	"The maximum number of insns of a completely peeled loop",
+	"The maximum number of insns of a completely peeled loop.",
 	200, 0, 0)
 /* The maximum number of peelings of a single loop that is peeled completely.  */
 DEFPARAM(PARAM_MAX_COMPLETELY_PEEL_TIMES,
 	"max-completely-peel-times",
-	"The maximum number of peelings of a single loop that is peeled completely",
+	"The maximum number of peelings of a single loop that is peeled completely.",
 	16, 0, 0)
 /* The maximum number of insns of a peeled loop that rolls only once.  */
 DEFPARAM(PARAM_MAX_ONCE_PEELED_INSNS,
 	"max-once-peeled-insns",
-	"The maximum number of insns of a peeled loop that rolls only once",
+	"The maximum number of insns of a peeled loop that rolls only once.",
 	400, 0, 0)
 /* The maximum depth of a loop nest we completely peel.  */
 DEFPARAM(PARAM_MAX_UNROLL_ITERATIONS,
 	 "max-completely-peel-loop-nest-depth",
-	 "The maximum depth of a loop nest we completely peel",
+	 "The maximum depth of a loop nest we completely peel.",
 	 8, 0, 0)
 
 /* The maximum number of insns of an unswitched loop.  */
 DEFPARAM(PARAM_MAX_UNSWITCH_INSNS,
 	"max-unswitch-insns",
-	"The maximum number of insns of an unswitched loop",
+	"The maximum number of insns of an unswitched loop.",
 	50, 0, 0)
 /* The maximum level of recursion in unswitch_single_loop.  */
 DEFPARAM(PARAM_MAX_UNSWITCH_LEVEL,
 	"max-unswitch-level",
-	"The maximum number of unswitchings in a single loop",
+	"The maximum number of unswitchings in a single loop.",
 	3, 0, 0)
 
 /* The maximum number of iterations of a loop the brute force algorithm
    for analysis of # of iterations of the loop tries to evaluate.  */
 DEFPARAM(PARAM_MAX_ITERATIONS_TO_TRACK,
 	"max-iterations-to-track",
-	"Bound on the number of iterations the brute force # of iterations analysis algorithm evaluates",
+	"Bound on the number of iterations the brute force # of iterations analysis algorithm evaluates.",
 	1000, 0, 0)
 /* A cutoff to avoid costly computations of the number of iterations in
    the doloop transformation.  */
 DEFPARAM(PARAM_MAX_ITERATIONS_COMPUTATION_COST,
 	"max-iterations-computation-cost",
-	"Bound on the cost of an expression to compute the number of iterations",
+	"Bound on the cost of an expression to compute the number of iterations.",
 	10, 0, 0)
 
 /* This parameter is used to tune SMS MAX II calculations.  */
 DEFPARAM(PARAM_SMS_MAX_II_FACTOR,
 	 "sms-max-ii-factor",
-	 "A factor for tuning the upper bound that swing modulo scheduler uses for scheduling a loop",
+	 "A factor for tuning the upper bound that swing modulo scheduler uses for scheduling a loop.",
 	 100, 0, 0)
 /* The minimum value of stage count that swing modulo scheduler will generate.  */
 DEFPARAM(PARAM_SMS_MIN_SC,
@@ -364,36 +369,36 @@ DEFPARAM(PARAM_SMS_MIN_SC,
         2, 1, 1)
 DEFPARAM(PARAM_SMS_DFA_HISTORY,
 	 "sms-dfa-history",
-	 "The number of cycles the swing modulo scheduler considers when checking conflicts using DFA",
+	 "The number of cycles the swing modulo scheduler considers when checking conflicts using DFA.",
 	 0, 0, 0)
 DEFPARAM(PARAM_SMS_LOOP_AVERAGE_COUNT_THRESHOLD,
 	 "sms-loop-average-count-threshold",
-	 "A threshold on the average loop count considered by the swing modulo scheduler",
+	 "A threshold on the average loop count considered by the swing modulo scheduler.",
 	 0, 0, 0)
 
 DEFPARAM(HOT_BB_COUNT_WS_PERMILLE,
 	 "hot-bb-count-ws-permille",
          "A basic block profile count is considered hot if it contributes to "
-         "the given permillage of the entire profiled execution",
+         "the given permillage of the entire profiled execution.",
 	 999, 0, 1000)
 DEFPARAM(HOT_BB_FREQUENCY_FRACTION,
 	 "hot-bb-frequency-fraction",
-	 "Select fraction of the maximal frequency of executions of basic block in function given basic block needs to have to be considered hot",
+	 "Select fraction of the maximal frequency of executions of basic block in function given basic block needs to have to be considered hot.",
 	 1000, 0, 0)
 
 DEFPARAM(UNLIKELY_BB_COUNT_FRACTION,
 	 "unlikely-bb-count-fraction",
-         "The minimum fraction of profile runs a given basic block execution count must be not to be considered unlikely",
+         "The minimum fraction of profile runs a given basic block execution count must be not to be considered unlikely.",
 	 20, 1, 10000)
 
 DEFPARAM (PARAM_ALIGN_THRESHOLD,
 	  "align-threshold",
-	  "Select fraction of the maximal frequency of executions of basic block in function given basic block get alignment",
+	  "Select fraction of the maximal frequency of executions of basic block in function given basic block get alignment.",
 	  100, 1, 0)
 
 DEFPARAM (PARAM_ALIGN_LOOP_ITERATIONS,
 	  "align-loop-iterations",
-	  "Loops iterating at least selected number of iterations will get loop alignement.",
+	  "Loops iterating at least selected number of iterations will get loop alignement..",
 	  4, 0, 0)
 
 /* For guessed profiles, the loops having unknown number of iterations
@@ -409,13 +414,13 @@ DEFPARAM (PARAM_ALIGN_LOOP_ITERATIONS,
 
 DEFPARAM(PARAM_MAX_PREDICTED_ITERATIONS,
 	 "max-predicted-iterations",
-	 "The maximum number of loop iterations we predict statically",
+	 "The maximum number of loop iterations we predict statically.",
 	 100, 0, 0)
 
 /* This parameter controls the probability of builtin_expect. The default
    value is 90%. This empirical value is obtained through the weighted
    probability of FDO counters (with the FDO count value as the weight)
-   in some real world programs:  
+   in some real world programs:
    (1) Google performance test benchmarks: the probability is 0.9081.
    (2) Linux 3.3 kernel running Google search workload: the probability
    is 0.8717.  */
@@ -426,68 +431,68 @@ DEFPARAM(BUILTIN_EXPECT_PROBABILITY,
 	 90, 0, 100)
 DEFPARAM(TRACER_DYNAMIC_COVERAGE_FEEDBACK,
 	 "tracer-dynamic-coverage-feedback",
-	 "The percentage of function, weighted by execution frequency, that must be covered by trace formation. Used when profile feedback is available",
+	 "The percentage of function, weighted by execution frequency, that must be covered by trace formation. Used when profile feedback is available.",
 	 95, 0, 100)
 DEFPARAM(TRACER_DYNAMIC_COVERAGE,
 	 "tracer-dynamic-coverage",
-	 "The percentage of function, weighted by execution frequency, that must be covered by trace formation. Used when profile feedback is not available",
+	 "The percentage of function, weighted by execution frequency, that must be covered by trace formation. Used when profile feedback is not available.",
 	 75, 0, 100)
 DEFPARAM(TRACER_MAX_CODE_GROWTH,
 	 "tracer-max-code-growth",
-	 "Maximal code growth caused by tail duplication (in percent)",
+	 "Maximal code growth caused by tail duplication (in percent).",
 	 100, 0, 0)
 DEFPARAM(TRACER_MIN_BRANCH_RATIO,
 	 "tracer-min-branch-ratio",
-	 "Stop reverse growth if the reverse probability of best edge is less than this threshold (in percent)",
+	 "Stop reverse growth if the reverse probability of best edge is less than this threshold (in percent).",
 	 10, 0, 100)
 DEFPARAM(TRACER_MIN_BRANCH_PROBABILITY_FEEDBACK,
 	 "tracer-min-branch-probability-feedback",
-	 "Stop forward growth if the probability of best edge is less than this threshold (in percent). Used when profile feedback is available",
+	 "Stop forward growth if the probability of best edge is less than this threshold (in percent). Used when profile feedback is available.",
 	 80, 0, 100)
 DEFPARAM(TRACER_MIN_BRANCH_PROBABILITY,
 	 "tracer-min-branch-probability",
-	 "Stop forward growth if the probability of best edge is less than this threshold (in percent). Used when profile feedback is not available",
+	 "Stop forward growth if the probability of best edge is less than this threshold (in percent). Used when profile feedback is not available.",
 	 50, 0, 100)
 
 /* The maximum number of incoming edges to consider for crossjumping.  */
 DEFPARAM(PARAM_MAX_CROSSJUMP_EDGES,
 	 "max-crossjump-edges",
-	 "The maximum number of incoming edges to consider for crossjumping",
+	 "The maximum number of incoming edges to consider for crossjumping.",
 	 100, 0, 0)
 
 /* The minimum number of matching instructions to consider for crossjumping.  */
 DEFPARAM(PARAM_MIN_CROSSJUMP_INSNS,
      "min-crossjump-insns",
-     "The minimum number of matching instructions to consider for crossjumping",
+     "The minimum number of matching instructions to consider for crossjumping.",
      5, 1, 0)
 
 /* The maximum number expansion factor when copying basic blocks.  */
 DEFPARAM(PARAM_MAX_GROW_COPY_BB_INSNS,
      "max-grow-copy-bb-insns",
-     "The maximum expansion factor when copying basic blocks",
+     "The maximum expansion factor when copying basic blocks.",
      8, 0, 0)
 
 /* The maximum number of insns to duplicate when unfactoring computed gotos.  */
 DEFPARAM(PARAM_MAX_GOTO_DUPLICATION_INSNS,
      "max-goto-duplication-insns",
-     "The maximum number of insns to duplicate when unfactoring computed gotos",
+     "The maximum number of insns to duplicate when unfactoring computed gotos.",
      8, 0, 0)
 
 /* The maximum length of path considered in cse.  */
 DEFPARAM(PARAM_MAX_CSE_PATH_LENGTH,
 	 "max-cse-path-length",
-	 "The maximum length of path considered in cse",
+	 "The maximum length of path considered in cse.",
 	 10, 1, 0)
 DEFPARAM(PARAM_MAX_CSE_INSNS,
 	 "max-cse-insns",
-	 "The maximum instructions CSE process before flushing",
+	 "The maximum instructions CSE process before flushing.",
 	 1000, 0, 0)
 
 /* The cost of expression in loop invariant motion that is considered
    expensive.  */
 DEFPARAM(PARAM_LIM_EXPENSIVE,
 	 "lim-expensive",
-	 "The minimum cost of an expensive expression in the loop invariant motion",
+	 "The minimum cost of an expensive expression in the loop invariant motion.",
 	 20, 0, 0)
 
 /* Bound on number of candidates for induction variables below that
@@ -496,7 +501,7 @@ DEFPARAM(PARAM_LIM_EXPENSIVE,
 
 DEFPARAM(PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
 	 "iv-consider-all-candidates-bound",
-	 "Bound on number of candidates below that all candidates are considered in iv optimizations",
+	 "Bound on number of candidates below that all candidates are considered in iv optimizations.",
 	 30, 0, 0)
 
 /* The induction variable optimizations give up on loops that contain more
@@ -504,7 +509,7 @@ DEFPARAM(PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
 
 DEFPARAM(PARAM_IV_MAX_CONSIDERED_USES,
 	 "iv-max-considered-uses",
-	 "Bound on number of iv uses in loop optimized in iv optimizations",
+	 "Bound on number of iv uses in loop optimized in iv optimizations.",
 	 250, 0, 0)
 
 /* If there are at most this number of ivs in the set, try removing unnecessary
@@ -512,37 +517,37 @@ DEFPARAM(PARAM_IV_MAX_CONSIDERED_USES,
 
 DEFPARAM(PARAM_IV_ALWAYS_PRUNE_CAND_SET_BOUND,
 	 "iv-always-prune-cand-set-bound",
-	 "If number of candidates in the set is smaller, we always try to remove unused ivs during its optimization",
+	 "If number of candidates in the set is smaller, we always try to remove unused ivs during its optimization.",
 	 10, 0, 0)
 
 DEFPARAM(PARAM_SCEV_MAX_EXPR_SIZE,
  	 "scev-max-expr-size",
-	 "Bound on size of expressions used in the scalar evolutions analyzer",
+	 "Bound on size of expressions used in the scalar evolutions analyzer.",
 	 100, 0, 0)
 
 DEFPARAM(PARAM_SCEV_MAX_EXPR_COMPLEXITY,
 	 "scev-max-expr-complexity",
-	 "Bound on the complexity of the expressions in the scalar evolutions analyzer",
+	 "Bound on the complexity of the expressions in the scalar evolutions analyzer.",
 	 10, 0, 0)
 
 DEFPARAM(PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS,
          "vect-max-version-for-alignment-checks",
-         "Bound on number of runtime checks inserted by the vectorizer's loop versioning for alignment check",
+         "Bound on number of runtime checks inserted by the vectorizer's loop versioning for alignment check.",
          6, 0, 0)
 
 DEFPARAM(PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS,
          "vect-max-version-for-alias-checks",
-         "Bound on number of runtime checks inserted by the vectorizer's loop versioning for alias check",
+         "Bound on number of runtime checks inserted by the vectorizer's loop versioning for alias check.",
          10, 0, 0)
 
 DEFPARAM(PARAM_VECT_MAX_PEELING_FOR_ALIGNMENT,
          "vect-max-peeling-for-alignment",
-         "Max number of loop peels to enhancement alignment of data references in a loop",
+         "Max number of loop peels to enhancement alignment of data references in a loop.",
          -1, -1, 64)
 
 DEFPARAM(PARAM_MAX_CSELIB_MEMORY_LOCATIONS,
 	 "max-cselib-memory-locations",
-	 "The maximum memory locations recorded by cselib",
+	 "The maximum memory locations recorded by cselib.",
 	 500, 0, 0)
 
 #ifdef ENABLE_GC_ALWAYS_COLLECT
@@ -555,12 +560,12 @@ DEFPARAM(PARAM_MAX_CSELIB_MEMORY_LOCATIONS,
 
 DEFPARAM(GGC_MIN_EXPAND,
 	 "ggc-min-expand",
-	 "Minimum heap expansion to trigger garbage collection, as a percentage of the total size of the heap",
+	 "Minimum heap expansion to trigger garbage collection, as a percentage of the total size of the heap.",
 	 GGC_MIN_EXPAND_DEFAULT, 0, 0)
 
 DEFPARAM(GGC_MIN_HEAPSIZE,
 	 "ggc-min-heapsize",
-	 "Minimum heap size before we start collecting garbage, in kilobytes",
+	 "Minimum heap size before we start collecting garbage, in kilobytes.",
 	 GGC_MIN_HEAPSIZE_DEFAULT, 0, 0)
 
 #undef GGC_MIN_EXPAND_DEFAULT
@@ -568,47 +573,47 @@ DEFPARAM(GGC_MIN_HEAPSIZE,
 
 DEFPARAM(PARAM_MAX_RELOAD_SEARCH_INSNS,
 	 "max-reload-search-insns",
-	 "The maximum number of instructions to search backward when looking for equivalent reload",
+	 "The maximum number of instructions to search backward when looking for equivalent reload.",
 	 100, 0, 0)
 
 DEFPARAM(PARAM_SINK_FREQUENCY_THRESHOLD,
 	 "sink-frequency-threshold",
-	 "Target block's relative execution frequency (as a percentage) required to sink a statement",
+	 "Target block's relative execution frequency (as a percentage) required to sink a statement.",
 	 75, 0, 100)
 
 DEFPARAM(PARAM_MAX_SCHED_REGION_BLOCKS,
 	 "max-sched-region-blocks",
-	 "The maximum number of blocks in a region to be considered for interblock scheduling",
+	 "The maximum number of blocks in a region to be considered for interblock scheduling.",
 	 10, 0, 0)
 
 DEFPARAM(PARAM_MAX_SCHED_REGION_INSNS,
 	 "max-sched-region-insns",
-	 "The maximum number of insns in a region to be considered for interblock scheduling",
+	 "The maximum number of insns in a region to be considered for interblock scheduling.",
 	 100, 0, 0)
 
 DEFPARAM(PARAM_MAX_PIPELINE_REGION_BLOCKS,
 	 "max-pipeline-region-blocks",
-	 "The maximum number of blocks in a region to be considered for interblock scheduling",
+	 "The maximum number of blocks in a region to be considered for interblock scheduling.",
 	 15, 0, 0)
 
 DEFPARAM(PARAM_MAX_PIPELINE_REGION_INSNS,
 	 "max-pipeline-region-insns",
-	 "The maximum number of insns in a region to be considered for interblock scheduling",
+	 "The maximum number of insns in a region to be considered for interblock scheduling.",
 	 200, 0, 0)
 
 DEFPARAM(PARAM_MIN_SPEC_PROB,
          "min-spec-prob",
-         "The minimum probability of reaching a source block for interblock speculative scheduling",
+         "The minimum probability of reaching a source block for interblock speculative scheduling.",
          40, 0, 0)
 
 DEFPARAM(PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS,
          "max-sched-extend-regions-iters",
-         "The maximum number of iterations through CFG to extend regions",
+         "The maximum number of iterations through CFG to extend regions.",
          0, 0, 0)
 
 DEFPARAM(PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
          "max-sched-insn-conflict-delay",
-         "The maximum conflict delay for an insn to be considered for speculative motion",
+         "The maximum conflict delay for an insn to be considered for speculative motion.",
          3, 1, 10)
 
 DEFPARAM(PARAM_SCHED_SPEC_PROB_CUTOFF,
@@ -623,22 +628,22 @@ DEFPARAM(PARAM_SCHED_STATE_EDGE_PROB_CUTOFF,
 
 DEFPARAM(PARAM_SELSCHED_MAX_LOOKAHEAD,
          "selsched-max-lookahead",
-         "The maximum size of the lookahead window of selective scheduling",
+         "The maximum size of the lookahead window of selective scheduling.",
          50, 0, 0)
 
 DEFPARAM(PARAM_SELSCHED_MAX_SCHED_TIMES,
          "selsched-max-sched-times",
-         "Maximum number of times that an insn could be scheduled",
+         "Maximum number of times that an insn could be scheduled.",
          2, 0, 0)
 
 DEFPARAM(PARAM_SELSCHED_INSNS_TO_RENAME,
          "selsched-insns-to-rename",
-         "Maximum number of instructions in the ready list that are considered eligible for renaming",
+         "Maximum number of instructions in the ready list that are considered eligible for renaming.",
          2, 0, 0)
 
 DEFPARAM (PARAM_SCHED_MEM_TRUE_DEP_COST,
 	  "sched-mem-true-dep-cost",
-	  "Minimal distance between possibly conflicting store and load",
+	  "Minimal distance between possibly conflicting store and load.",
 	  1, 0, 0)
 
 DEFPARAM (PARAM_SCHED_AUTOPREF_QUEUE_DEPTH,
@@ -648,12 +653,12 @@ DEFPARAM (PARAM_SCHED_AUTOPREF_QUEUE_DEPTH,
 
 DEFPARAM(PARAM_MAX_LAST_VALUE_RTL,
 	 "max-last-value-rtl",
-	 "The maximum number of RTL nodes that can be recorded as combiner's last value",
+	 "The maximum number of RTL nodes that can be recorded as combiner's last value.",
 	 10000, 0, 0)
 
 DEFPARAM(PARAM_MAX_COMBINE_INSNS,
 	 "max-combine-insns",
-	 "The maximum number of insns combine tries to combine",
+	 "The maximum number of insns combine tries to combine.",
 	 4, 2, 4)
 
 /* INTEGER_CST nodes are shared for values [{-1,0} .. N) for
@@ -662,18 +667,18 @@ DEFPARAM(PARAM_MAX_COMBINE_INSNS,
    least amount of garbage for allocating the TREE_VEC storage.  */
 DEFPARAM (PARAM_INTEGER_SHARE_LIMIT,
 	  "integer-share-limit",
-	  "The upper bound for sharing integer constants",
+	  "The upper bound for sharing integer constants.",
 	  251, 2, 2)
 
 DEFPARAM (PARAM_SSP_BUFFER_SIZE,
 	  "ssp-buffer-size",
-	  "The lower bound for a buffer to be considered for stack smashing protection",
+	  "The lower bound for a buffer to be considered for stack smashing protection.",
 	  8, 1, 0)
 
 DEFPARAM (PARAM_MIN_SIZE_FOR_STACK_SHARING,
 	  "min-size-for-stack-sharing",
 	  "The minimum size of variables taking part in stack slot sharing "
-	  "when not optimizing",
+	  "when not optimizing.",
 	  32, 0, 0)
 
 /* When we thread through a block we have to make copies of the
@@ -691,7 +696,7 @@ DEFPARAM (PARAM_MIN_SIZE_FOR_STACK_SHARING,
    throttle set at 15 statements.  */
 DEFPARAM (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS,
 	  "max-jump-thread-duplication-stmts",
-          "Maximum number of statements allowed in a block that needs to be duplicated when threading jumps",
+          "Maximum number of statements allowed in a block that needs to be duplicated when threading jumps.",
 	  15, 0, 0)
 
 /* This is the maximum number of fields a variable may have before the pointer analysis machinery
@@ -700,18 +705,18 @@ DEFPARAM (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS,
    field-sensitively is not worth the cost.  */
 DEFPARAM (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE,
           "max-fields-for-field-sensitive",
-	  "Maximum number of fields in a structure before pointer analysis treats the structure as a single variable",
+	  "Maximum number of fields in a structure before pointer analysis treats the structure as a single variable.",
 	  0, 0, 0)
 
 DEFPARAM(PARAM_MAX_SCHED_READY_INSNS,
 	 "max-sched-ready-insns",
-	 "The maximum number of instructions ready to be issued to be considered by the scheduler during the first scheduling pass",
+	 "The maximum number of instructions ready to be issued to be considered by the scheduler during the first scheduling pass.",
 	 100, 0, 0)
 
 /* This is the maximum number of active local stores RTL DSE will consider.  */
 DEFPARAM (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES,
 	  "max-dse-active-local-stores",
-	  "Maximum number of active local stores in RTL dead store elimination",
+	  "Maximum number of active local stores in RTL dead store elimination.",
 	  5000, 0, 0)
 
 /* Prefetching and cache-optimizations related parameters.  Default values are
@@ -721,35 +726,35 @@ DEFPARAM (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES,
 
 DEFPARAM (PARAM_PREFETCH_LATENCY,
 	 "prefetch-latency",
-	 "The number of insns executed before prefetch is completed",
+	 "The number of insns executed before prefetch is completed.",
 	 200, 0, 0)
 
 /* The number of prefetches that can run at the same time.  */
 
 DEFPARAM (PARAM_SIMULTANEOUS_PREFETCHES,
 	  "simultaneous-prefetches",
-	  "The number of prefetches that can run at the same time",
+	  "The number of prefetches that can run at the same time.",
 	  3, 0, 0)
 
 /* The size of L1 cache in kB.  */
 
 DEFPARAM (PARAM_L1_CACHE_SIZE,
 	  "l1-cache-size",
-	  "The size of L1 cache",
+	  "The size of L1 cache.",
 	  64, 0, 0)
 
 /* The size of L1 cache line in bytes.  */
 
 DEFPARAM (PARAM_L1_CACHE_LINE_SIZE,
 	  "l1-cache-line-size",
-	  "The size of L1 cache line",
+	  "The size of L1 cache line.",
 	  32, 0, 0)
 
 /* The size of L2 cache in kB.  */
 
 DEFPARAM (PARAM_L2_CACHE_SIZE,
 	  "l2-cache-size",
-	  "The size of L2 cache",
+	  "The size of L2 cache.",
 	  512, 0, 0)
 
 /* Whether we should use canonical types rather than deep "structural"
@@ -760,7 +765,7 @@ DEFPARAM (PARAM_L2_CACHE_SIZE,
 
 DEFPARAM (PARAM_USE_CANONICAL_TYPES,
 	  "use-canonical-types",
-	  "Whether to use canonical types",
+	  "Whether to use canonical types.",
 	  1, 0, 1)
 
 /**** stuff for MELT runtime */
@@ -789,7 +794,7 @@ DEFPARAM (PARAM_MELT_FULL_PERIOD,
 
 DEFPARAM (PARAM_MAX_PARTIAL_ANTIC_LENGTH,
 	  "max-partial-antic-length",
-	  "Maximum length of partial antic set when performing tree pre optimization",
+	  "Maximum length of partial antic set when performing tree pre optimization.",
 	  100, 0, 0)
 
 /* The following is used as a stop-gap limit for cases where really huge
@@ -799,7 +804,7 @@ DEFPARAM (PARAM_MAX_PARTIAL_ANTIC_LENGTH,
 
 DEFPARAM (PARAM_SCCVN_MAX_SCC_SIZE,
 	  "sccvn-max-scc-size",
-	  "Maximum size of a SCC before SCCVN stops processing a function",
+	  "Maximum size of a SCC before SCCVN stops processing a function.",
 	  10000, 10, 0)
 
 /* The following is used as a stop-gap limit for cases where really huge
@@ -810,32 +815,32 @@ DEFPARAM (PARAM_SCCVN_MAX_SCC_SIZE,
 
 DEFPARAM (PARAM_SCCVN_MAX_ALIAS_QUERIES_PER_ACCESS,
 	  "sccvn-max-alias-queries-per-access",
-	  "Maximum number of disambiguations to perform per memory access",
+	  "Maximum number of disambiguations to perform per memory access.",
 	  1000, 0, 0)
 
 DEFPARAM (PARAM_IRA_MAX_LOOPS_NUM,
 	  "ira-max-loops-num",
-	  "Max loops number for regional RA",
+	  "Max loops number for regional RA.",
 	  100, 0, 0)
 
 DEFPARAM (PARAM_IRA_MAX_CONFLICT_TABLE_SIZE,
 	  "ira-max-conflict-table-size",
-	  "Max size of conflict table in MB",
+	  "Max size of conflict table in MB.",
 	  1000, 0, 0)
 
 DEFPARAM (PARAM_IRA_LOOP_RESERVED_REGS,
 	  "ira-loop-reserved-regs",
-	  "The number of registers in each class kept unused by loop invariant motion",
+	  "The number of registers in each class kept unused by loop invariant motion.",
 	  2, 0, 0)
 
 DEFPARAM (PARAM_LRA_MAX_CONSIDERED_RELOAD_PSEUDOS,
 	  "lra-max-considered-reload-pseudos",
-	  "The max number of reload pseudos which are considered during spilling a non-reload pseudo",
+	  "The max number of reload pseudos which are considered during spilling a non-reload pseudo.",
 	  500, 0, 0)
 
 DEFPARAM (PARAM_LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF,
 	  "lra-inheritance-ebb-probability-cutoff",
-	  "Minimal fall-through edge probability in percentage used to add BB to inheritance EBB in LRA",
+	  "Minimal fall-through edge probability in percentage used to add BB to inheritance EBB in LRA.",
 	  40, 0, 100)
 
 /* Switch initialization conversion will refuse to create arrays that are
@@ -844,35 +849,42 @@ DEFPARAM (PARAM_LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF,
 DEFPARAM (PARAM_SWITCH_CONVERSION_BRANCH_RATIO,
 	  "switch-conversion-max-branch-ratio",
 	  "The maximum ratio between array size and switch branches for "
-	  "a switch conversion to take place",
+	  "a switch conversion to take place.",
 	  8, 1, 0)
 
 /* Size of tiles when doing loop blocking.  */
 
 DEFPARAM (PARAM_LOOP_BLOCK_TILE_SIZE,
 	  "loop-block-tile-size",
-	  "size of tiles for loop blocking",
+	  "size of tiles for loop blocking.",
 	  51, 0, 0)
 
 /* Maximal number of parameters that we allow in a SCoP.  */
 
 DEFPARAM (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS,
 	  "graphite-max-nb-scop-params",
-	  "maximum number of parameters in a SCoP",
-	  3, 0, 0)
+	  "maximum number of parameters in a SCoP.",
+	  7, 0, 0)
 
 /* Maximal number of basic blocks in the functions analyzed by Graphite.  */
 
 DEFPARAM (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION,
 	  "graphite-max-bbs-per-function",
-	  "maximum number of basic blocks per function to be analyzed by Graphite",
+	  "maximum number of basic blocks per function to be analyzed by Graphite.",
+	  100, 0, 0)
+
+/* Maximal number of array references in a scop.  */
+
+DEFPARAM (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP,
+	  "graphite-max-arrays-per-scop",
+	  "maximum number of arrays per scop.",
 	  100, 0, 0)
 
 /* Maximal number of basic blocks in the functions analyzed by Graphite.  */
 
 DEFPARAM (PARAM_GRAPHITE_MIN_LOOPS_PER_FUNCTION,
 	  "graphite-min-loops-per-function",
-	  "minimal number of loops per function to be analyzed by Graphite",
+	  "minimal number of loops per function to be analyzed by Graphite.",
 	  2, 0, 0)
 
 DEFPARAM (PARAM_MAX_ISL_OPERATIONS,
@@ -883,14 +895,14 @@ DEFPARAM (PARAM_MAX_ISL_OPERATIONS,
 /* Avoid data dependence analysis on very large loops.  */
 DEFPARAM (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS,
 	  "loop-max-datarefs-for-datadeps",
-	  "Maximum number of datarefs in loop for building loop data dependencies",
+	  "Maximum number of datarefs in loop for building loop data dependencies.",
 	  1000, 0, 0)
 
 /* Avoid doing loop invariant motion on very large loops.  */
 
 DEFPARAM (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP,
 	  "loop-invariant-max-bbs-in-loop",
-	  "Max basic blocks number in loop for loop invariant motion",
+	  "Max basic blocks number in loop for loop invariant motion.",
 	  10000, 0, 0)
 
 /* When the parameter is 1, use the internal function id
@@ -898,7 +910,7 @@ DEFPARAM (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP,
    external id based on assembler name and source location. */
 DEFPARAM (PARAM_PROFILE_FUNC_INTERNAL_ID,
          "profile-func-internal-id",
-         "use internal function id in profile lookup",
+         "use internal function id in profile lookup.",
           0, 0, 1)
 
 /* When the parameter is 1, track the most frequent N target
@@ -906,31 +918,31 @@ DEFPARAM (PARAM_PROFILE_FUNC_INTERNAL_ID,
    indirect_call_profiler_v2 which tracks single target.  */
 DEFPARAM (PARAM_INDIR_CALL_TOPN_PROFILE,
          "indir-call-topn-profile",
-         "track topn target addresses in indirect-call profile",
+         "track topn target addresses in indirect-call profile.",
           0, 0, 1)
 
 /* Avoid SLP vectorization of large basic blocks.  */
 DEFPARAM (PARAM_SLP_MAX_INSNS_IN_BB,
           "slp-max-insns-in-bb",
-          "Maximum number of instructions in basic block to be considered for SLP vectorization",
+          "Maximum number of instructions in basic block to be considered for SLP vectorization.",
           1000, 0, 0)
 
 DEFPARAM (PARAM_MIN_INSN_TO_PREFETCH_RATIO,
 	  "min-insn-to-prefetch-ratio",
 	  "Min. ratio of insns to prefetches to enable prefetching for "
-          "a loop with an unknown trip count",
+          "a loop with an unknown trip count.",
 	  9, 0, 0)
 
 DEFPARAM (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO,
 	  "prefetch-min-insn-to-mem-ratio",
-	  "Min. ratio of insns to mem ops to enable prefetching in a loop",
+	  "Min. ratio of insns to mem ops to enable prefetching in a loop.",
 	  3, 0, 0)
 
 /* Set maximum hash table size for var tracking.  */
 
 DEFPARAM (PARAM_MAX_VARTRACK_SIZE,
 	  "max-vartrack-size",
-	  "Max. size of var tracking hash tables",
+	  "Max. size of var tracking hash tables.",
 	  50000000, 0, 0)
 
 /* Set maximum recursion depth for var tracking expression expansion
@@ -938,7 +950,7 @@ DEFPARAM (PARAM_MAX_VARTRACK_SIZE,
 
 DEFPARAM (PARAM_MAX_VARTRACK_EXPR_DEPTH,
 	  "max-vartrack-expr-depth",
-	  "Max. recursion depth for expanding var tracking expressions",
+	  "Max. recursion depth for expanding var tracking expressions.",
 	  12, 0, 0)
 
 /* Set maximum length of value location list for which var tracking
@@ -946,99 +958,99 @@ DEFPARAM (PARAM_MAX_VARTRACK_EXPR_DEPTH,
 
 DEFPARAM (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE,
 	  "max-vartrack-reverse-op-size",
-	  "Max. size of loc list for which reverse ops should be added",
+	  "Max. size of loc list for which reverse ops should be added.",
 	  50, 0, 0)
 
 /* Set minimum insn uid for non-debug insns.  */
 
 DEFPARAM (PARAM_MIN_NONDEBUG_INSN_UID,
 	  "min-nondebug-insn-uid",
-	  "The minimum UID to be used for a nondebug insn",
+	  "The minimum UID to be used for a nondebug insn.",
 	  0, 1, 0)
 
 DEFPARAM (PARAM_IPA_SRA_PTR_GROWTH_FACTOR,
 	  "ipa-sra-ptr-growth-factor",
 	  "Maximum allowed growth of size of new parameters ipa-sra replaces "
-	  "a pointer to an aggregate with",
+	  "a pointer to an aggregate with.",
 	  2, 0, 0)
 
 DEFPARAM (PARAM_TM_MAX_AGGREGATE_SIZE,
 	  "tm-max-aggregate-size",
 	  "Size in bytes after which thread-local aggregates should be "
 	  "instrumented with the logging functions instead of save/restore "
-	  "pairs",
+	  "pairs.",
 	  9, 0, 0)
 
 DEFPARAM (PARAM_SRA_MAX_SCALARIZATION_SIZE_SPEED,
 	  "sra-max-scalarization-size-Ospeed",
 	  "Maximum size, in storage units, of an aggregate which should be "
-	  "considered for scalarization when compiling for speed",
+	  "considered for scalarization when compiling for speed.",
 	  0, 0, 0)
 
 DEFPARAM (PARAM_SRA_MAX_SCALARIZATION_SIZE_SIZE,
 	  "sra-max-scalarization-size-Osize",
 	  "Maximum size, in storage units, of an aggregate which should be "
-	  "considered for scalarization when compiling for size",
+	  "considered for scalarization when compiling for size.",
 	  0, 0, 0)
 
 DEFPARAM (PARAM_IPA_CP_VALUE_LIST_SIZE,
 	  "ipa-cp-value-list-size",
 	  "Maximum size of a list of values associated with each parameter for "
-	  "interprocedural constant propagation",
+	  "interprocedural constant propagation.",
 	  8, 0, 0)
 
 DEFPARAM (PARAM_IPA_CP_EVAL_THRESHOLD,
 	  "ipa-cp-eval-threshold",
 	  "Threshold ipa-cp opportunity evaluation that is still considered "
-	  "beneficial to clone.",
+	  "beneficial to clone..",
 	  500, 0, 0)
 
 DEFPARAM (PARAM_IPA_CP_RECURSION_PENALTY,
 	  "ipa-cp-recursion-penalty",
 	  "Percentage penalty the recursive functions will receive when they "
-	  "are evaluated for cloning.",
+	  "are evaluated for cloning..",
 	  40, 0, 100)
 
 DEFPARAM (PARAM_IPA_CP_SINGLE_CALL_PENALTY,
 	  "ipa-cp-single-call-penalty",
 	  "Percentage penalty functions containg a single call to another "
-	  "function will receive when they are evaluated for cloning.",
+	  "function will receive when they are evaluated for cloning..",
 	  15, 0, 100)
 
 DEFPARAM (PARAM_IPA_MAX_AGG_ITEMS,
 	  "ipa-max-agg-items",
 	  "Maximum number of aggregate content items for a parameter in "
-	  "jump functions and lattices",
+	  "jump functions and lattices.",
 	  16, 0, 0)
 
 DEFPARAM (PARAM_IPA_CP_LOOP_HINT_BONUS,
 	  "ipa-cp-loop-hint-bonus",
 	  "Compile-time bonus IPA-CP assigns to candidates which make loop "
-	  "bounds or strides known.",
+	  "bounds or strides known..",
 	  64, 0, 0)
 
 DEFPARAM (PARAM_IPA_CP_ARRAY_INDEX_HINT_BONUS,
 	  "ipa-cp-array-index-hint-bonus",
 	  "Compile-time bonus IPA-CP assigns to candidates which make an array "
-	  "index known.",
+	  "index known..",
 	  48, 0, 0)
 
 DEFPARAM (PARAM_IPA_MAX_AA_STEPS,
 	  "ipa-max-aa-steps",
 	  "Maximum number of statements that will be visited by IPA formal "
-	  "parameter analysis based on alias analysis in any given function",
+	  "parameter analysis based on alias analysis in any given function.",
 	  25000, 0, 0)
 
 /* WHOPR partitioning configuration.  */
 
 DEFPARAM (PARAM_LTO_PARTITIONS,
 	  "lto-partitions",
-	  "Number of partitions the program should be split to",
+	  "Number of partitions the program should be split to.",
 	  32, 1, 0)
 
 DEFPARAM (MIN_PARTITION_SIZE,
 	  "lto-min-partition",
-	  "Minimal size of a partition for LTO (in estimated instructions)",
+	  "Minimal size of a partition for LTO (in estimated instructions).",
 	  1000, 0, 0)
 
 /* Diagnostic parameters.  */
@@ -1046,13 +1058,13 @@ DEFPARAM (MIN_PARTITION_SIZE,
 DEFPARAM (CXX_MAX_NAMESPACES_FOR_DIAGNOSTIC_HELP,
 	  "cxx-max-namespaces-for-diagnostic-help",
 	  "Maximum number of namespaces to search for alternatives when "
-	  "name lookup fails",
+	  "name lookup fails.",
 	  1000, 0, 0)
 
 /* Maximum number of conditional store pairs that can be sunk.  */
 DEFPARAM (PARAM_MAX_STORES_TO_SINK,
           "max-stores-to-sink",
-          "Maximum number of conditional store pairs that can be sunk",
+          "Maximum number of conditional store pairs that can be sunk.",
           2, 0, 0)
 
 /* Override CASE_VALUES_THRESHOLD of when to switch from doing switch
@@ -1062,30 +1074,30 @@ DEFPARAM (PARAM_CASE_VALUES_THRESHOLD,
           "case-values-threshold",
           "The smallest number of different values for which it is best to "
 	  "use a jump-table instead of a tree of conditional branches, "
-	  "if 0, use the default for the machine",
+	  "if 0, use the default for the machine.",
           0, 0, 0)
 
 /* Data race flags for C++0x memory model compliance.  */
 DEFPARAM (PARAM_ALLOW_STORE_DATA_RACES,
 	  "allow-store-data-races",
-	  "Allow new data races on stores to be introduced",
+	  "Allow new data races on stores to be introduced.",
 	  0, 0, 1)
 
 /* Reassociation width to be used by tree reassoc optimization.  */
 DEFPARAM (PARAM_TREE_REASSOC_WIDTH,
 	  "tree-reassoc-width",
 	  "Set the maximum number of instructions executed in parallel in "
-	  "reassociated tree. If 0, use the target dependent heuristic.",
+	  "reassociated tree. If 0, use the target dependent heuristic..",
 	  0, 0, 0)
 
 DEFPARAM (PARAM_MAX_TAIL_MERGE_COMPARISONS,
           "max-tail-merge-comparisons",
-          "Maximum amount of similar bbs to compare a bb with",
+          "Maximum amount of similar bbs to compare a bb with.",
           10, 0, 0)
 
 DEFPARAM (PARAM_MAX_TAIL_MERGE_ITERATIONS,
           "max-tail-merge-iterations",
-          "Maximum amount of iterations of the pass over a function",
+          "Maximum amount of iterations of the pass over a function.",
           2, 0, 0)
 
 /* Maximum number of strings for which strlen optimization pass will
@@ -1093,89 +1105,102 @@ DEFPARAM (PARAM_MAX_TAIL_MERGE_ITERATIONS,
 DEFPARAM (PARAM_MAX_TRACKED_STRLENS,
 	  "max-tracked-strlens",
 	  "Maximum number of strings for which strlen optimization pass will "
-	  "track string lengths",
+	  "track string lengths.",
 	  10000, 0, 0)
 
 /* Keep this in sync with the sched_pressure_algorithm enum.  */
 DEFPARAM (PARAM_SCHED_PRESSURE_ALGORITHM,
 	  "sched-pressure-algorithm",
-	  "Which -fsched-pressure algorithm to apply",
+	  "Which -fsched-pressure algorithm to apply.",
 	  1, 1, 2)
 
 /* Maximum length of candidate scans in straight-line strength reduction.  */
 DEFPARAM (PARAM_MAX_SLSR_CANDIDATE_SCAN,
 	  "max-slsr-cand-scan",
 	  "Maximum length of candidate scans for straight-line "
-	  "strength reduction",
+	  "strength reduction.",
 	  50, 1, 999999)
 
 DEFPARAM (PARAM_ASAN_STACK,
          "asan-stack",
-         "Enable asan stack protection",
+         "Enable asan stack protection.",
          1, 0, 1)
 
 DEFPARAM (PARAM_ASAN_GLOBALS,
          "asan-globals",
-         "Enable asan globals protection",
+         "Enable asan globals protection.",
          1, 0, 1)
 
 DEFPARAM (PARAM_ASAN_INSTRUMENT_WRITES,
          "asan-instrument-writes",
-         "Enable asan store operations protection",
+         "Enable asan store operations protection.",
          1, 0, 1)
 
 DEFPARAM (PARAM_ASAN_INSTRUMENT_READS,
          "asan-instrument-reads",
-         "Enable asan load operations protection",
+         "Enable asan load operations protection.",
          1, 0, 1)
 
 DEFPARAM (PARAM_ASAN_MEMINTRIN,
          "asan-memintrin",
-         "Enable asan builtin functions protection",
+         "Enable asan builtin functions protection.",
          1, 0, 1)
 
 DEFPARAM (PARAM_ASAN_USE_AFTER_RETURN,
          "asan-use-after-return",
-         "Enable asan detection of use-after-return bugs",
+         "Enable asan detection of use-after-return bugs.",
          1, 0, 1)
 
 DEFPARAM (PARAM_ASAN_INSTRUMENTATION_WITH_CALL_THRESHOLD,
          "asan-instrumentation-with-call-threshold",
          "Use callbacks instead of inline code if number of accesses "
-         "in function becomes greater or equal to this number",
+         "in function becomes greater or equal to this number.",
          7000, 0, INT_MAX)
 
 DEFPARAM (PARAM_UNINIT_CONTROL_DEP_ATTEMPTS,
 	  "uninit-control-dep-attempts",
 	  "Maximum number of nested calls to search for control dependencies "
-	  "during uninitialized variable analysis",
+	  "during uninitialized variable analysis.",
 	  1000, 1, 0)
 
 DEFPARAM (PARAM_CHKP_MAX_CTOR_SIZE,
 	  "chkp-max-ctor-size",
 	  "Maximum number of statements to be included into a single static "
-	  "constructor generated by Pointer Bounds Checker",
+	  "constructor generated by Pointer Bounds Checker.",
 	  5000, 100, 0)
 
 DEFPARAM (PARAM_MAX_FSM_THREAD_PATH_INSNS,
 	  "max-fsm-thread-path-insns",
-	  "Maximum number of instructions to copy when duplicating blocks on a finite state automaton jump thread path",
+	  "Maximum number of instructions to copy when duplicating blocks on a finite state automaton jump thread path.",
 	  100, 1, 999999)
 
 DEFPARAM (PARAM_MAX_FSM_THREAD_LENGTH,
 	  "max-fsm-thread-length",
-	  "Maximum number of basic blocks on a finite state automaton jump thread path",
+	  "Maximum number of basic blocks on a finite state automaton jump thread path.",
 	  10, 1, 999999)
 
 DEFPARAM (PARAM_MAX_FSM_THREAD_PATHS,
 	  "max-fsm-thread-paths",
-	  "Maximum number of new jump thread paths to create for a finite state automaton",
+	  "Maximum number of new jump thread paths to create for a finite state automaton.",
 	  50, 1, 999999)
 
 DEFPARAM (PARAM_PARLOOPS_CHUNK_SIZE,
 	  "parloops-chunk-size",
-	  "Chunk size of omp schedule for loops parallelized by parloops",
+	  "Chunk size of omp schedule for loops parallelized by parloops.",
 	  0, 0, 0)
+
+DEFPARAMENUM5 (PARAM_PARLOOPS_SCHEDULE,
+	       "parloops-schedule",
+	       "Schedule type of omp schedule for loops parallelized by "
+	       "parloops (static, dynamic, guided, auto, runtime).",
+	       static,
+	       static, dynamic, guided, auto, runtime)
+
+DEFPARAM (PARAM_MAX_SSA_NAME_QUERY_DEPTH,
+	  "max-ssa-name-query-depth",
+	  "Maximum recursion depth allowed when querying a property of an"
+	  " SSA name.",
+	  2, 1, 0)
 /*
 
 Local variables: