Fixing Intel format of the vshufpd instruction.

Yunzhong Gao · Yunzhong Gao · commit 4467f33e3c39 · 2013-09-27T01:44:23.000Z
Phabricator code review is located at: http://llvm-reviews.chandlerc.com/D1759 llvm-svn: 191481
diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td
@@ -2553,10 +2553,10 @@ defm VSHUFPSY : sse12_shuffle<VR256, f256mem, v8f32,
            "shufps\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}",
            memopv8f32, SSEPackedSingle>, TB, VEX_4V, VEX_L;
 defm VSHUFPD  : sse12_shuffle<VR128, f128mem, v2f64,
-           "shufpd\t{$src3, $src2, $src1, $dst|$dst, $src2, $src2, $src3}",
+           "shufpd\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}",
            memopv2f64, SSEPackedDouble>, TB, OpSize, VEX_4V;
 defm VSHUFPDY : sse12_shuffle<VR256, f256mem, v4f64,
-           "shufpd\t{$src3, $src2, $src1, $dst|$dst, $src2, $src2, $src3}",
+           "shufpd\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}",
            memopv4f64, SSEPackedDouble>, TB, OpSize, VEX_4V, VEX_L;
 
 let Constraints = "$src1 = $dst" in {
diff --git a/llvm/test/MC/Disassembler/X86/intel-syntax.txt b/llvm/test/MC/Disassembler/X86/intel-syntax.txt
@@ -105,6 +105,9 @@
 # CHECK: retf
 0x66 0xcb
 
+# CHECK: vshufpd xmm0, xmm1, xmm2, 1
+0xc5 0xf1 0xc6 0xc2 0x01
+
 # CHECK: vpgatherqq ymm2, qword ptr [rdi + 2*ymm1], ymm0
 0xc4 0xe2 0xfd 0x91 0x14 0x4f
 
diff --git a/llvm/test/MC/X86/intel-syntax.s b/llvm/test/MC/X86/intel-syntax.s
@@ -69,6 +69,8 @@ _main:
     mov QWORD PTR FS:320, RAX
 // CHECK: movq %rax, %fs:20(%rbx)
     mov QWORD PTR FS:20[rbx], RAX
+// CHECK: vshufpd $1, %xmm2, %xmm1, %xmm0
+    vshufpd XMM0, XMM1, XMM2, 1
 // CHECK: vpgatherdd %xmm8, (%r15,%xmm9,2), %xmm1
     vpgatherdd XMM10, DWORD PTR [R15 + 2*XMM9], XMM8
 // CHECK: movsd	-8, %xmm5
