Changes in directory llvm/lib/Target/X86:
X86InstrSSE.td updated: 1.173 -> 1.174
---
Log message:
- Rename MOVDSS2DIrr to MOVSS2DIrr for consistency sake.
- Add MOVDI2SSrm and MOVSS2DImr to fold load / store for i32 <-> f32 bit_convert
patterns.
---
Diffs of the changes: (+9 -3)
X86InstrSSE.td | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
Index: llvm/lib/Target/X86/X86InstrSSE.td
diff -u llvm/lib/Target/X86/X86InstrSSE.td:1.173
llvm/lib/Target/X86/X86InstrSSE.td:1.174
--- llvm/lib/Target/X86/X86InstrSSE.td:1.173 Tue Dec 5 12:45:06 2006
+++ llvm/lib/Target/X86/X86InstrSSE.td Thu Dec 14 13:43:11 2006
@@ -1687,6 +1687,9 @@
"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:$src),
@@ -1729,9 +1732,12 @@
[(store (i32 (vector_extract (v4i32 VR128:$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.
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