Changes in directory llvm/lib/Target/X86:
X86InstrSSE.td updated: 1.70 -> 1.71
---
Log message:
Added some missing shuffle patterns.
---
Diffs of the changes: (+22 -5)
X86InstrSSE.td | 27 ++++++++++++++++++++++-----
1 files changed, 22 insertions(+), 5 deletions(-)
Index: llvm/lib/Target/X86/X86InstrSSE.td
diff -u llvm/lib/Target/X86/X86InstrSSE.td:1.70
llvm/lib/Target/X86/X86InstrSSE.td:1.71
--- llvm/lib/Target/X86/X86InstrSSE.td:1.70 Mon Apr 10 16:11:06 2006
+++ llvm/lib/Target/X86/X86InstrSSE.td Mon Apr 10 16:42:19 2006
@@ -1365,7 +1365,7 @@
(ops VR128:$dst, i128mem:$src1, i8imm:$src2),
"pshufhw {$src2, $src1, $dst|$dst, $src1, $src2}",
[(set VR128:$dst, (v8i16 (vector_shuffle
- (bc_v8i16 (loadv2i64 addr:$src1)),
(undef),
+ (load addr:$src1), (undef),
PSHUFHW_shuffle_mask:$src2)))]>,
XS, Requires<[HasSSE2]>;
@@ -1381,7 +1381,7 @@
(ops VR128:$dst, i128mem:$src1, i32i8imm:$src2),
"pshuflw {$src2, $src1, $dst|$dst, $src1, $src2}",
[(set VR128:$dst, (v8i16 (vector_shuffle
- (bc_v8i16 (loadv2i64 addr:$src1)),
(undef),
+ (load addr:$src1), (undef),
PSHUFLW_shuffle_mask:$src2)))]>,
XD, Requires<[HasSSE2]>;
@@ -1823,11 +1823,28 @@
(v4i32 (SHUFPSrm VR128:$src1, addr:$src2,
SHUFP_int_shuffle_mask:$sm))>, Requires<[HasSSE2]>;
-// Shuffle v4f32 with PSHUF* if others do not match.
+// Special pshuf* cases: folding (bit_convert (loadv2i64 addr)).
+def : Pat<(v4i32 (vector_shuffle (bc_v4i32 (loadv2i64 addr:$src1)), (undef),
+ PSHUFD_shuffle_mask:$src2)),
+ (PSHUFDmi addr:$src1, PSHUFD_shuffle_mask:$src2)>,
+ Requires<[HasSSE2]>;
+def : Pat<(v8i16 (vector_shuffle (bc_v8i16 (loadv2i64 addr:$src1)), (undef),
+ PSHUFHW_shuffle_mask:$src2)),
+ (PSHUFHWmi addr:$src1, PSHUFHW_shuffle_mask:$src2)>,
+ Requires<[HasSSE2]>;
+def : Pat<(v8i16 (vector_shuffle (bc_v8i16 (loadv2i64 addr:$src1)), (undef),
+ PSHUFLW_shuffle_mask:$src2)),
+ (PSHUFLWmi addr:$src1, PSHUFHW_shuffle_mask:$src2)>,
+ Requires<[HasSSE2]>;
+
+
+// Special SHUFPSrr case: looks like a PSHUFD, like make both operands src1.
+// FIXME: when we want non two-address code, then we should use PSHUFD!
def : Pat<(vector_shuffle (v4f32 VR128:$src1), (undef),
PSHUFD_fp_shuffle_mask:$sm),
- (v4f32 (PSHUFDri VR128:$src1, PSHUFD_fp_shuffle_mask:$sm))>,
- Requires<[HasSSE2]>;
+ (v4f32 (SHUFPSrr VR128:$src1, VR128:$src1,
PSHUFD_fp_shuffle_mask:$sm))>,
+ Requires<[HasSSE1]>;
+// Shuffle v4f32 with PSHUF* if others do not match.
def : Pat<(vector_shuffle (loadv4f32 addr:$src1), (undef),
PSHUFD_fp_shuffle_mask:$sm),
(v4f32 (PSHUFDmi addr:$src1, PSHUFD_fp_shuffle_mask:$sm))>,
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