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| author | Uros Bizjak <ubizjak@gmail.com> | 2012-07-06 12:57:07 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2012-07-06 12:57:07 +0200 |
| commit | e81941b70ea127c83c7c5ac1754bb15925fea2b9 (patch) | |
| tree | bcf15c57eec011d485dd8f6d78a93d379c07f369 | |
| parent | 6b908be7954917cd2aedc9f546ba91334ba218d3 (diff) | |
| download | gcc-e81941b70ea127c83c7c5ac1754bb15925fea2b9.zip gcc-e81941b70ea127c83c7c5ac1754bb15925fea2b9.tar.gz gcc-e81941b70ea127c83c7c5ac1754bb15925fea2b9.tar.bz2 | |
i386.md (simple lea to add peephole): Also transform RTXes where second PLUS operand matches output.
* config/i386/i386.md (simple lea to add peephole): Also transform
RTXes where second PLUS operand matches output.
From-SVN: r189320
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 19 |
2 files changed, 24 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 15ee003..15053da 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2012-07-06 Uros Bizjak <ubizjak@gmail.com> + * config/i386/i386.md (simple lea to add peephole): Also transform + RTXes where second PLUS operand matches output. + +2012-07-06 Uros Bizjak <ubizjak@gmail.com> + * config/i386/i386.c (construct_plt_address): Make static. * config/i386/i386-protos.h (construct_plt_address): Remove. diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index bdee324..b88db5b 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -17301,6 +17301,14 @@ (clobber (reg:CC FLAGS_REG))])]) (define_peephole2 + [(set (match_operand:SWI48 0 "register_operand") + (plus:SWI48 (match_operand:SWI48 1 "<nonmemory_operand>") + (match_dup 0)))] + "peep2_regno_dead_p (0, FLAGS_REG)" + [(parallel [(set (match_dup 0) (plus:SWI48 (match_dup 0) (match_dup 1))) + (clobber (reg:CC FLAGS_REG))])]) + +(define_peephole2 [(set (match_operand:SI 0 "register_operand") (subreg:SI (plus:DI (match_operand:DI 1 "register_operand") (match_operand:DI 2 "nonmemory_operand")) 0))] @@ -17312,6 +17320,17 @@ "operands[2] = gen_lowpart (SImode, operands[2]);") (define_peephole2 + [(set (match_operand:SI 0 "register_operand") + (subreg:SI (plus:DI (match_operand:DI 1 "nonmemory_operand") + (match_operand:DI 2 "register_operand")) 0))] + "TARGET_64BIT + && peep2_regno_dead_p (0, FLAGS_REG) + && REGNO (operands[0]) == REGNO (operands[2])" + [(parallel [(set (match_dup 0) (plus:SI (match_dup 0) (match_dup 1))) + (clobber (reg:CC FLAGS_REG))])] + "operands[1] = gen_lowpart (SImode, operands[1]);") + +(define_peephole2 [(set (match_operand:SWI48 0 "register_operand") (mult:SWI48 (match_dup 0) (match_operand:SWI48 1 "const_int_operand")))] |