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-rw-r--r--lib/Target/X86/X86InstrSSE.td5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index caaf54490c..6deee4f68e 100644
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -520,6 +520,8 @@ let Predicates = [HasSSE2] in {
// is during lowering, where it's not possible to recognize the fold cause
// it has two uses through a bitcast. One use disappears at isel time and the
// fold opportunity reappears.
+ def : Pat<(v2f64 (X86Movlpd VR128:$src1, VR128:$src2)),
+ (MOVSDrr VR128:$src1, (EXTRACT_SUBREG (v2f64 VR128:$src2),sub_sd))>;
def : Pat<(v4f32 (X86Movlps VR128:$src1, VR128:$src2)),
(MOVSDrr VR128:$src1, (EXTRACT_SUBREG (v4f32 VR128:$src2),sub_sd))>;
def : Pat<(v4i32 (X86Movlps VR128:$src1, VR128:$src2)),
@@ -647,6 +649,9 @@ let Predicates = [HasAVX] in {
// is during lowering, where it's not possible to recognize the fold cause
// it has two uses through a bitcast. One use disappears at isel time and the
// fold opportunity reappears.
+ def : Pat<(v2f64 (X86Movlpd VR128:$src1, VR128:$src2)),
+ (VMOVSDrr VR128:$src1, (EXTRACT_SUBREG (v2f64 VR128:$src2),
+ sub_sd))>;
def : Pat<(v4f32 (X86Movlps VR128:$src1, VR128:$src2)),
(VMOVSDrr VR128:$src1, (EXTRACT_SUBREG (v4f32 VR128:$src2),
sub_sd))>;