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| author | dberlin <dberlin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-06-11 18:02:15 +0000 |
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| committer | dberlin <dberlin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-06-11 18:02:15 +0000 |
| commit | 3072d30e7983a3ca5ad030f1f98a5c39bcc2c07b (patch) | |
| tree | fdb9e9f8a0700a2713dc690fed1a2cf20dae8392 /gcc/calls.c | |
| parent | 8ceb1bfd33bc40bf0cbe1fab8903c2c31efd10ee (diff) | |
| download | gcc-3072d30e7983a3ca5ad030f1f98a5c39bcc2c07b.tar.gz | |
Merge dataflow branch into mainline
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125624 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index 32ca3ef38be..b339c04d902 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -41,6 +41,7 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA #include "target.h" #include "cgraph.h" #include "except.h" +#include "dbgcnt.h" /* Like PREFERRED_STACK_BOUNDARY but in units of bytes, not bits. */ #define STACK_BYTES (PREFERRED_STACK_BOUNDARY / BITS_PER_UNIT) @@ -2222,7 +2223,8 @@ expand_call (tree exp, rtx target, int ignore) if (currently_expanding_call++ != 0 || !flag_optimize_sibling_calls || args_size.var - || lookup_stmt_eh_region (exp) >= 0) + || lookup_stmt_eh_region (exp) >= 0 + || dbg_cnt (tail_call) == false) try_tail_call = 0; /* Rest of purposes for tail call optimizations to fail. */ @@ -2855,9 +2857,10 @@ expand_call (tree exp, rtx target, int ignore) valreg = temp; } - /* For calls to `setjmp', etc., inform flow.c it should complain - if nonvolatile values are live. For functions that cannot return, - inform flow that control does not fall through. */ + /* For calls to `setjmp', etc., inform + function.c:setjmp_warnings that it should complain if + nonvolatile values are live. For functions that cannot + return, inform flow that control does not fall through. */ if ((flags & ECF_NORETURN) || pass == 0) { @@ -3816,9 +3819,10 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value, valreg, old_inhibit_defer_pop + 1, call_fusage, flags, & args_so_far); - /* For calls to `setjmp', etc., inform flow.c it should complain - if nonvolatile values are live. For functions that cannot return, - inform flow that control does not fall through. */ + /* For calls to `setjmp', etc., inform function.c:setjmp_warnings + that it should complain if nonvolatile values are live. For + functions that cannot return, inform flow that control does not + fall through. */ if (flags & ECF_NORETURN) { |