aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Target/X86
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Target/X86')
-rw-r--r--lib/Target/X86/X86InstrSSE.td10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index dbc04b0..442847c 100644
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -2305,6 +2305,16 @@ def MOVZQI2PQIrr : RPDI<0x6E, MRMSrcReg, (outs VR128:$dst), (ins GR64:$src),
MOVL_shuffle_mask)))]>;
}
+// Handle the v2f64 form of 'MOVZQI2PQIrr' for PR2108. FIXME: this would be
+// better written as a dag combine xform.
+let AddedComplexity = 15 in
+def : Pat<(v2f64 (vector_shuffle immAllZerosV_bc,
+ (v2f64 (scalar_to_vector
+ (f64 (bitconvert GR64:$src)))),
+ MOVL_shuffle_mask)),
+ (MOVZQI2PQIrr GR64:$src)>, Requires<[HasSSE3]>;
+
+
let AddedComplexity = 20 in {
def MOVZDI2PDIrm : PDI<0x6E, MRMSrcMem, (outs VR128:$dst), (ins i32mem:$src),
"movd\t{$src, $dst|$dst, $src}",