Changes in directory llvm/lib/Target/X86:
X86InstrSSE.td updated: 1.108 -> 1.109
---
Log message:
Prefer {p}unpack* and mov*dup over {p}shuf* as well.
---
Diffs of the changes: (+13 -3)
X86InstrSSE.td | 16 +++++++++++++---
1 files changed, 13 insertions(+), 3 deletions(-)
Index: llvm/lib/Target/X86/X86InstrSSE.td
diff -u llvm/lib/Target/X86/X86InstrSSE.td:1.108
llvm/lib/Target/X86/X86InstrSSE.td:1.109
--- llvm/lib/Target/X86/X86InstrSSE.td:1.108 Wed Apr 19 15:37:34 2006
+++ llvm/lib/Target/X86/X86InstrSSE.td Wed Apr 19 16:15:24 2006
@@ -778,7 +778,7 @@
[(int_x86_sse2_storeu_pd addr:$dst, VR128:$src)]>;
let isTwoAddress = 1 in {
-let AddedComplexity = 10 in {
+let AddedComplexity = 20 in {
def MOVLPSrm : PSI<0x12, MRMSrcMem, (ops VR128:$dst, VR128:$src1,
f64mem:$src2),
"movlps {$src2, $dst|$dst, $src2}",
[(set VR128:$dst,
@@ -832,7 +832,7 @@
addr:$dst)]>;
let isTwoAddress = 1 in {
-let AddedComplexity = 10 in {
+let AddedComplexity = 20 in {
def MOVLHPSrr : PSI<0x16, MRMSrcReg, (ops VR128:$dst, VR128:$src1,
VR128:$src2),
"movlhps {$src2, $dst|$dst, $src2}",
[(set VR128:$dst,
@@ -1245,6 +1245,7 @@
VR128:$src1, (load addr:$src2),
SHUFP_shuffle_mask:$src3)))]>;
+let AddedComplexity = 10 in {
def UNPCKHPSrr : PSI<0x15, MRMSrcReg,
(ops VR128:$dst, VR128:$src1, VR128:$src2),
"unpckhps {$src2, $dst|$dst, $src2}",
@@ -1294,6 +1295,7 @@
[(set VR128:$dst, (v2f64 (vector_shuffle
VR128:$src1, (load addr:$src2),
UNPCKL_shuffle_mask)))]>;
+} // AddedComplexity
}
// Horizontal ops
@@ -2195,6 +2197,7 @@
def MOVLDI2PDIrr : PDI<0x6E, MRMSrcReg, (ops VR128:$dst, VR128:$src1,
R32:$src2),
"movd {$src2, $dst|$dst, $src2}", []>;
+let AddedComplexity = 20 in {
def MOVLPSrr : SSI<0x10, MRMSrcReg, (ops VR128:$dst, VR128:$src1, VR128:$src2),
"movss {$src2, $dst|$dst, $src2}",
[(set VR128:$dst,
@@ -2206,6 +2209,7 @@
(v2f64 (vector_shuffle VR128:$src1, VR128:$src2,
MOVS_shuffle_mask)))]>;
}
+}
// Store / copy lower 64-bits of a XMM register.
def MOVLQ128mr : PDI<0xD6, MRMDestMem, (ops i64mem:$dst, VR128:$src),
@@ -2350,10 +2354,12 @@
(MOVLDI2PDIrr (V_SET0_PI), (MOVZX32rr8 R8:$src))>,
Requires<[HasSSE2]>;
// Splat v2f64 / v2i64
+let AddedComplexity = 10 in {
def : Pat<(vector_shuffle (v2f64 VR128:$src), (undef), SSE_splat_v2_mask:$sm),
(v2f64 (UNPCKLPDrr VR128:$src, VR128:$src))>, Requires<[HasSSE2]>;
def : Pat<(vector_shuffle (v2i64 VR128:$src), (undef), SSE_splat_v2_mask:$sm),
(v2i64 (PUNPCKLQDQrr VR128:$src, VR128:$src))>, Requires<[HasSSE2]>;
+}
// Splat v4f32
def : Pat<(vector_shuffle (v4f32 VR128:$src), (undef), SSE_splat_mask:$sm),
@@ -2382,6 +2388,7 @@
PSHUFD_binary_shuffle_mask:$sm))>, Requires<[HasSSE2]>;
// vector_shuffle v1, <undef>, <0, 0, 1, 1, ...>
+let AddedComplexity = 10 in {
def : Pat<(v4f32 (vector_shuffle VR128:$src, (undef),
UNPCKL_v_undef_shuffle_mask)),
(UNPCKLPSrr VR128:$src, VR128:$src)>, Requires<[HasSSE2]>;
@@ -2394,7 +2401,9 @@
def : Pat<(v4i32 (vector_shuffle VR128:$src, (undef),
UNPCKL_v_undef_shuffle_mask)),
(PUNPCKLDQrr VR128:$src, VR128:$src)>, Requires<[HasSSE1]>;
+}
+let AddedComplexity = 20 in {
// vector_shuffle v1, <undef> <1, 1, 3, 3>
def : Pat<(v4i32 (vector_shuffle VR128:$src, (undef),
MOVSHDUP_shuffle_mask)),
@@ -2410,8 +2419,9 @@
def : Pat<(v4i32 (vector_shuffle (bc_v4i32 (loadv2i64 addr:$src)), (undef),
MOVSLDUP_shuffle_mask)),
(MOVSLDUPrm addr:$src)>, Requires<[HasSSE3]>;
+}
-let AddedComplexity = 10 in {
+let AddedComplexity = 20 in {
// vector_shuffle v1, v2 <0, 1, 4, 5> using MOVLHPS
def : Pat<(v4i32 (vector_shuffle VR128:$src1, VR128:$src2,
MOVHP_shuffle_mask)),
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