diff options
| author | H.J. Lu <hongjiu.lu@intel.com> | 2009-03-12 16:08:02 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2009-03-12 09:08:02 -0700 |
| commit | bbb52802a1e636e8eecece65c600ef1bc4dcf6aa (patch) | |
| tree | 2b98f2339f2e1be5ceac9b0594a9d62c3618a21d | |
| parent | a812fb0792e401759f58c48482d43d4534cb178a (diff) | |
| download | gcc-bbb52802a1e636e8eecece65c600ef1bc4dcf6aa.zip gcc-bbb52802a1e636e8eecece65c600ef1bc4dcf6aa.tar.gz gcc-bbb52802a1e636e8eecece65c600ef1bc4dcf6aa.tar.bz2 | |
re PR target/38824 (performance regression of sse code from 4.2/4.3)
2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
PR target/38824
* config/i386/i386.md: Compare REGNO on the new peephole2
patterns.
From-SVN: r144817
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e59756b..92f1679 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-03-12 H.J. Lu <hongjiu.lu@intel.com> + + PR target/38824 + * config/i386/i386.md: Compare REGNO on the new peephole2 + patterns. + 2009-03-12 Vladimir Makarov <vmakarov@redhat.com> PR debug/39432 diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 761a5e7..d68d0c8 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -20813,7 +20813,7 @@ [(match_dup 0) (match_operand:SI 2 "memory_operand" "")])) (clobber (reg:CC FLAGS_REG))])] - "operands[0] != operands[1] + "REGNO (operands[0]) != REGNO (operands[1]) && GENERAL_REGNO_P (REGNO (operands[0])) && GENERAL_REGNO_P (REGNO (operands[1]))" [(set (match_dup 0) (match_dup 4)) @@ -20829,7 +20829,7 @@ (match_operator 3 "commutative_operator" [(match_dup 0) (match_operand 2 "memory_operand" "")]))] - "operands[0] != operands[1] + "REGNO (operands[0]) != REGNO (operands[1]) && ((MMX_REG_P (operands[0]) && MMX_REG_P (operands[1])) || (SSE_REG_P (operands[0]) && SSE_REG_P (operands[1])))" [(set (match_dup 0) (match_dup 2)) |