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- Rename MOVDSS2DIrr to MOVSS2DIrr for consistency sake. 

- Add MOVDI2SSrm and MOVSS2DImr to fold load / store for i32 <-> f32 bit_convert
  patterns.

llvm-svn: 32582
This commit is contained in:
Evan Cheng 2006-12-14 19:43:11 +00:00
parent 70323a8146
commit fccea9b2a9
1 changed files with 9 additions and 3 deletions
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12
llvm/lib/Target/X86/X86InstrSSE.td
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@ -1687,6 +1687,9 @@ def MOVDI2SSrr : PDI<0x6E, MRMSrcReg, (ops FR32:$dst, GR32:$src),
"movd {$src, $dst|$dst, $src}",
[(set FR32:$dst, (bitconvert GR32:$src))]>;
def MOVDI2SSrm : PDI<0x6E, MRMSrcMem, (ops FR32:$dst, i32mem:$src),
"movd {$src, $dst|$dst, $src}",
[(set FR32:$dst, (bitconvert (loadi32 addr:$src)))]>;
// SSE2 instructions with XS prefix
def MOVQI2PQIrm : I<0x7E, MRMSrcMem, (ops VR128:$dst, i64mem:$src),
@ -1729,9 +1732,12 @@ def MOVPDI2DImr : PDI<0x7E, MRMDestMem, (ops i32mem:$dst, VR128:$src),
[(store (i32 (vector_extract (v4i32 VR128:$src),
(iPTR 0))), addr:$dst)]>;
def MOVDSS2DIrr : PDI<0x7E, MRMDestReg, (ops GR32:$dst, FR32:$src),
"movd {$src, $dst|$dst, $src}",
[(set GR32:$dst, (bitconvert FR32:$src))]>;
def MOVSS2DIrr : PDI<0x7E, MRMDestReg, (ops GR32:$dst, FR32:$src),
"movd {$src, $dst|$dst, $src}",
[(set GR32:$dst, (bitconvert FR32:$src))]>;
def MOVSS2DImr : PDI<0x7E, MRMDestMem, (ops i32mem:$dst, FR32:$src),
"movd {$src, $dst|$dst, $src}",
[(store (i32 (bitconvert FR32:$src)), addr:$dst)]>;
// Move to lower bits of a VR128, leaving upper bits alone.