diff options
| author | Dan Gohman <gohman@apple.com> | 2009-01-07 01:00:24 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-01-07 01:00:24 +0000 |
| commit | fbb74865607e7a3f735eb098d4be5ee8eae5e314 (patch) | |
| tree | e54ed359a20e1bbbc597708133f381856d67c23d /lib/Target/X86/X86Instr64bit.td | |
| parent | b33fc7b0630145084d1ebce6942c2161094dd48d (diff) | |
Add patterns to match conditional moves with loads folded
into their left operand, rather than their right. Do this
by commuting the operands and inverting the condition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61842 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86Instr64bit.td')
| -rw-r--r-- | lib/Target/X86/X86Instr64bit.td | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td index b5fe4659bc..bdadba3c77 100644 --- a/lib/Target/X86/X86Instr64bit.td +++ b/lib/Target/X86/X86Instr64bit.td @@ -1344,7 +1344,40 @@ def : Pat<(X86tcret (i64 texternalsym:$dst), imm:$off), def : Pat<(parallel (X86cmp GR64:$src1, 0), (implicit EFLAGS)), (TEST64rr GR64:$src1, GR64:$src1)>; - +// Conditional moves with folded loads with operands swapped and conditions +// inverted. +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_B, EFLAGS), + (CMOVAE64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_AE, EFLAGS), + (CMOVB64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_E, EFLAGS), + (CMOVNE64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_NE, EFLAGS), + (CMOVE64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_BE, EFLAGS), + (CMOVA64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_A, EFLAGS), + (CMOVBE64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_L, EFLAGS), + (CMOVGE64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_GE, EFLAGS), + (CMOVL64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_LE, EFLAGS), + (CMOVG64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_G, EFLAGS), + (CMOVLE64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_P, EFLAGS), + (CMOVNP64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_NP, EFLAGS), + (CMOVP64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_S, EFLAGS), + (CMOVNS64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_NS, EFLAGS), + (CMOVS64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_O, EFLAGS), + (CMOVNO64rm GR64:$src2, addr:$src1)>; +def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, X86_COND_NO, EFLAGS), + (CMOVO64rm GR64:$src2, addr:$src1)>; // Zero-extension def : Pat<(i64 (zext GR32:$src)), |