diff options
| author | Chung-Lin Tang <cltang@codesourcery.com> | 2015-05-12 15:57:22 +0000 |
|---|---|---|
| committer | Sandra Loosemore <sandra@gcc.gnu.org> | 2015-05-12 11:57:22 -0400 |
| commit | 3c8c9f0daf922b6dd1f802d4dfd8b9387031b190 (patch) | |
| tree | 1ac0c89cf96ca15ce0da3e94b077f3db5313db15 | |
| parent | a92a1c274c7a8e88920f67f045dd5314f912a6b2 (diff) | |
| download | gcc-3c8c9f0daf922b6dd1f802d4dfd8b9387031b190.tar.gz | |
nios2.h (enum reg_class): Add IJMP_REGS enum value.
2015-05-12 Chung-Lin Tang <cltang@codesourcery.com>
Sandra Loosemore <sandra@codesourcery.com>
gcc/
* config/nios2/nios2.h (enum reg_class): Add IJMP_REGS enum
value.
(REG_CLASS_NAMES): Add "IJMP_REGS".
(REG_CLASS_CONTENTS): Add new entry for IJMP_REGS.
* config/nios2/nios2.md (indirect_jump,*tablejump): Adjust to
use new "c" register constraint.
* config/nios2/constraint.md (c): New register constraint
corresponding to IJMP_REGS.
Co-Authored-By: Sandra Loosemore <sandra@codesourcery.com>
From-SVN: r223082
| -rw-r--r-- | gcc/ChangeLog | 12 | ||||
| -rw-r--r-- | gcc/config/nios2/constraints.md | 3 | ||||
| -rw-r--r-- | gcc/config/nios2/nios2.h | 11 | ||||
| -rw-r--r-- | gcc/config/nios2/nios2.md | 4 |
4 files changed, 24 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 816f3ab2760..8d3887a7445 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,15 @@ +2015-05-12 Chung-Lin Tang <cltang@codesourcery.com> + Sandra Loosemore <sandra@codesourcery.com> + + * config/nios2/nios2.h (enum reg_class): Add IJMP_REGS enum + value. + (REG_CLASS_NAMES): Add "IJMP_REGS". + (REG_CLASS_CONTENTS): Add new entry for IJMP_REGS. + * config/nios2/nios2.md (indirect_jump,*tablejump): Adjust to + use new "c" register constraint. + * config/nios2/constraint.md (c): New register constraint + corresponding to IJMP_REGS. + 2015-05-12 Segher Boessenkool <segher@kernel.crashing.org> * config/rs6000/rs6000.md (*rotlsi3_internal4, *rotlsi3_internal5, diff --git a/gcc/config/nios2/constraints.md b/gcc/config/nios2/constraints.md index f4bd9f70e95..735f892d524 100644 --- a/gcc/config/nios2/constraints.md +++ b/gcc/config/nios2/constraints.md @@ -39,6 +39,9 @@ ;; Register constraints +(define_register_constraint "c" "IJMP_REGS" + "A register suitable for an indirect jump.") + (define_register_constraint "j" "SIB_REGS" "A register suitable for an indirect sibcall.") diff --git a/gcc/config/nios2/nios2.h b/gcc/config/nios2/nios2.h index 510ab5fc7fe..ac339781b6c 100644 --- a/gcc/config/nios2/nios2.h +++ b/gcc/config/nios2/nios2.h @@ -173,6 +173,7 @@ enum reg_class { NO_REGS, SIB_REGS, + IJMP_REGS, GP_REGS, ALL_REGS, LIM_REG_CLASSES @@ -183,6 +184,7 @@ enum reg_class #define REG_CLASS_NAMES \ { "NO_REGS", \ "SIB_REGS", \ + "IJMP_REGS", \ "GP_REGS", \ "ALL_REGS" } @@ -190,10 +192,11 @@ enum reg_class #define REG_CLASS_CONTENTS \ { \ - /* NO_REGS */ { 0, 0}, \ - /* SIB_REGS */ { 0xfe0c, 0}, \ - /* GP_REGS */ {~0, 0}, \ - /* ALL_REGS */ {~0,~0} \ + /* NO_REGS */ { 0, 0}, \ + /* SIB_REGS */ { 0xfe0c, 0}, \ + /* IJMP_REGS */ { 0x7fffffff, 0}, \ + /* GP_REGS */ {~0, 0}, \ + /* ALL_REGS */ {~0,~0} \ } diff --git a/gcc/config/nios2/nios2.md b/gcc/config/nios2/nios2.md index 7b35d269c1c..36ef101443b 100644 --- a/gcc/config/nios2/nios2.md +++ b/gcc/config/nios2/nios2.md @@ -697,7 +697,7 @@ ; check or adjust for overflow. (define_insn "indirect_jump" - [(set (pc) (match_operand:SI 0 "register_operand" "r"))] + [(set (pc) (match_operand:SI 0 "register_operand" "c"))] "" "jmp\\t%0" [(set_attr "type" "control")]) @@ -811,7 +811,7 @@ (define_insn "*tablejump" [(set (pc) - (match_operand:SI 0 "register_operand" "r")) + (match_operand:SI 0 "register_operand" "c")) (use (label_ref (match_operand 1 "" "")))] "" "jmp\\t%0" |