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| author | Uros Bizjak <ubizjak@gmail.com> | 2012-03-19 23:16:45 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2012-03-19 23:16:45 +0100 |
| commit | 5ef4f6095ebf7adad02f08d7d2f29d9e05363bf4 (patch) | |
| tree | e59d77a44964629a7705afb4fb6ca181a782b0f6 | |
| parent | fa7548481a0fa6dc43c23c6b7f3afa4d6fd3e628 (diff) | |
| download | gcc-5ef4f6095ebf7adad02f08d7d2f29d9e05363bf4.zip gcc-5ef4f6095ebf7adad02f08d7d2f29d9e05363bf4.tar.gz gcc-5ef4f6095ebf7adad02f08d7d2f29d9e05363bf4.tar.bz2 | |
i386.md (allocate_stack): Simplify.
* config/i386/i386.md (allocate_stack): Simplify.
From-SVN: r185545
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 31 |
2 files changed, 20 insertions, 16 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 67a1119..258bda9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2012-03-19 Uros Bizjak <ubizjak@gmail.com> + * config/i386/i386.md (allocate_stack): Simplify. + +2012-03-19 Uros Bizjak <ubizjak@gmail.com> + * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of copy_to_mode_reg (Pmode, ...). (expand_builtin_frame_address): Ditto. @@ -10,7 +14,6 @@ (ix86_expand_setmem): Ditto. (ix86_trampoline_init): DItto. * config/i386/i386.md (cmpstrnsi): Ditto. - (allocate_stack): Ditto. 2012-03-19 Sandra Loosemore <sandra@codesourcery.com> diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 0db0222..4bcb7d2 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -16729,25 +16729,26 @@ if (CHECK_STACK_LIMIT && CONST_INT_P (operands[1]) && INTVAL (operands[1]) < CHECK_STACK_LIMIT) - { - x = expand_simple_binop (Pmode, MINUS, stack_pointer_rtx, operands[1], - stack_pointer_rtx, 0, OPTAB_DIRECT); - if (x != stack_pointer_rtx) - emit_move_insn (stack_pointer_rtx, x); - } + x = operands[1]; else { - x = copy_addr_to_reg (operands[1]); - if (TARGET_64BIT) - emit_insn (gen_allocate_stack_worker_probe_di (x, x)); - else - emit_insn (gen_allocate_stack_worker_probe_si (x, x)); - x = expand_simple_binop (Pmode, MINUS, stack_pointer_rtx, x, - stack_pointer_rtx, 0, OPTAB_DIRECT); - if (x != stack_pointer_rtx) - emit_move_insn (stack_pointer_rtx, x); + rtx (*insn) (rtx, rtx); + + x = copy_to_mode_reg (Pmode, operands[1]); + + insn = (TARGET_64BIT + ? gen_allocate_stack_worker_probe_di + : gen_allocate_stack_worker_probe_si); + + emit_insn (insn (x, x)); } + x = expand_simple_binop (Pmode, MINUS, stack_pointer_rtx, x, + stack_pointer_rtx, 0, OPTAB_DIRECT); + + if (x != stack_pointer_rtx) + emit_move_insn (stack_pointer_rtx, x); + emit_move_insn (operands[0], virtual_stack_dynamic_rtx); DONE; }) |