AVX-512: added all forms of VPSHUFD and VPSHUFHW, VPSHUFLW

including encodings.

llvm-svn: 238729

3 files changed, 333 insertions, 0 deletions

diff --git a/llvm/test/MC/X86/avx512-encodings.s b/llvm/test/MC/X86/avx512-encodings.s
index fe6e943596c..68a661588c1 100644
--- a/llvm/test/MC/X86/avx512-encodings.s
+++ b/llvm/test/MC/X86/avx512-encodings.s
@@ -7859,3 +7859,64 @@ vpermilpd $0x23, 0x400(%rbx), %zmm2
 // CHECK: vfixupimmpd $123, -1032(%rdx){1to8}, %zmm21, %zmm9
 // CHECK:  encoding: [0x62,0x73,0xd5,0x50,0x54,0x8a,0xf8,0xfb,0xff,0xff,0x7b]
           vfixupimmpd $0x7b, -1032(%rdx){1to8}, %zmm21, %zmm9
+
+// CHECK: vpshufd $171, %zmm25, %zmm19
+// CHECK:  encoding: [0x62,0x81,0x7d,0x48,0x70,0xd9,0xab]
+          vpshufd $171, %zmm25, %zmm19
+
+// CHECK: vpshufd $171, %zmm25, %zmm19 {%k6}
+// CHECK:  encoding: [0x62,0x81,0x7d,0x4e,0x70,0xd9,0xab]
+          vpshufd $171, %zmm25, %zmm19 {%k6}
+
+// CHECK: vpshufd $171, %zmm25, %zmm19 {%k6} {z}
+// CHECK:  encoding: [0x62,0x81,0x7d,0xce,0x70,0xd9,0xab]
+          vpshufd $171, %zmm25, %zmm19 {%k6} {z}
+
+// CHECK: vpshufd $123, %zmm25, %zmm19
+// CHECK:  encoding: [0x62,0x81,0x7d,0x48,0x70,0xd9,0x7b]
+          vpshufd $123, %zmm25, %zmm19
+
+// CHECK: vpshufd $123, (%rcx), %zmm19
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x48,0x70,0x19,0x7b]
+          vpshufd $123, (%rcx), %zmm19
+
+// CHECK: vpshufd $123, 291(%rax,%r14,8), %zmm19
+// CHECK:  encoding: [0x62,0xa1,0x7d,0x48,0x70,0x9c,0xf0,0x23,0x01,0x00,0x00,0x7b]
+          vpshufd $123, 291(%rax,%r14,8), %zmm19
+
+// CHECK: vpshufd $123, (%rcx){1to16}, %zmm19
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x58,0x70,0x19,0x7b]
+          vpshufd $123, (%rcx){1to16}, %zmm19
+
+// CHECK: vpshufd $123, 8128(%rdx), %zmm19
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x48,0x70,0x5a,0x7f,0x7b]
+          vpshufd $123, 8128(%rdx), %zmm19
+
+// CHECK: vpshufd $123, 8192(%rdx), %zmm19
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x48,0x70,0x9a,0x00,0x20,0x00,0x00,0x7b]
+          vpshufd $123, 8192(%rdx), %zmm19
+
+// CHECK: vpshufd $123, -8192(%rdx), %zmm19
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x48,0x70,0x5a,0x80,0x7b]
+          vpshufd $123, -8192(%rdx), %zmm19
+
+// CHECK: vpshufd $123, -8256(%rdx), %zmm19
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x48,0x70,0x9a,0xc0,0xdf,0xff,0xff,0x7b]
+          vpshufd $123, -8256(%rdx), %zmm19
+
+// CHECK: vpshufd $123, 508(%rdx){1to16}, %zmm19
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x58,0x70,0x5a,0x7f,0x7b]
+          vpshufd $123, 508(%rdx){1to16}, %zmm19
+
+// CHECK: vpshufd $123, 512(%rdx){1to16}, %zmm19
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x58,0x70,0x9a,0x00,0x02,0x00,0x00,0x7b]
+          vpshufd $123, 512(%rdx){1to16}, %zmm19
+
+// CHECK: vpshufd $123, -512(%rdx){1to16}, %zmm19
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x58,0x70,0x5a,0x80,0x7b]
+          vpshufd $123, -512(%rdx){1to16}, %zmm19
+
+// CHECK: vpshufd $123, -516(%rdx){1to16}, %zmm19
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x58,0x70,0x9a,0xfc,0xfd,0xff,0xff,0x7b]
+          vpshufd $123, -516(%rdx){1to16}, %zmm19
+
diff --git a/llvm/test/MC/X86/x86-64-avx512bw_vl.s b/llvm/test/MC/X86/x86-64-avx512bw_vl.s
index bd16b0ed95c..0ba5e17077b 100644
--- a/llvm/test/MC/X86/x86-64-avx512bw_vl.s
+++ b/llvm/test/MC/X86/x86-64-avx512bw_vl.s
@@ -5775,3 +5775,164 @@
 // CHECK: vpsubusw -4128(%rdx), %ymm25, %ymm27
 // CHECK:  encoding: [0x62,0x61,0x35,0x20,0xd9,0x9a,0xe0,0xef,0xff,0xff]
           vpsubusw -4128(%rdx), %ymm25, %ymm27
+
+// CHECK: vpshufhw $171, %xmm19, %xmm23
+// CHECK:  encoding: [0x62,0xa1,0xfe,0x08,0x70,0xfb,0xab]
+          vpshufhw $171, %xmm19, %xmm23
+
+// CHECK: vpshufhw $171, %xmm19, %xmm23 {%k7}
+// CHECK:  encoding: [0x62,0xa1,0xfe,0x0f,0x70,0xfb,0xab]
+          vpshufhw $171, %xmm19, %xmm23 {%k7}
+
+// CHECK: vpshufhw $171, %xmm19, %xmm23 {%k7} {z}
+// CHECK:  encoding: [0x62,0xa1,0xfe,0x8f,0x70,0xfb,0xab]
+          vpshufhw $171, %xmm19, %xmm23 {%k7} {z}
+
+// CHECK: vpshufhw $123,  %xmm19, %xmm23
+// CHECK:  encoding: [0x62,0xa1,0xfe,0x08,0x70,0xfb,0x7b]
+          vpshufhw $123,  %xmm19, %xmm23
+
+// CHECK: vpshufhw $123,  (%rcx), %xmm23
+// CHECK:  encoding: [0x62,0xe1,0xfe,0x08,0x70,0x39,0x7b]
+          vpshufhw $123, (%rcx), %xmm23
+
+// CHECK: vpshufhw $123, 291(%rax,%r14,8), %xmm23
+// CHECK:  encoding: [0x62,0xa1,0xfe,0x08,0x70,0xbc,0xf0,0x23,0x01,0x00,0x00,0x7b]
+          vpshufhw $123, 291(%rax,%r14,8), %xmm23
+
+// CHECK: vpshufhw $123, 2032(%rdx), %xmm23
+// CHECK:  encoding: [0x62,0xe1,0xfe,0x08,0x70,0x7a,0x7f,0x7b]
+          vpshufhw $123, 2032(%rdx), %xmm23
+
+// CHECK: vpshufhw $123, 2048(%rdx), %xmm23
+// CHECK:  encoding: [0x62,0xe1,0xfe,0x08,0x70,0xba,0x00,0x08,0x00,0x00,0x7b]
+          vpshufhw $123, 2048(%rdx), %xmm23
+
+// CHECK: vpshufhw $123, -2048(%rdx), %xmm23
+// CHECK:  encoding: [0x62,0xe1,0xfe,0x08,0x70,0x7a,0x80,0x7b]
+          vpshufhw $123, -2048(%rdx), %xmm23
+
+// CHECK: vpshufhw $123, -2064(%rdx), %xmm23
+// CHECK:  encoding: [0x62,0xe1,0xfe,0x08,0x70,0xba,0xf0,0xf7,0xff,0xff,0x7b]
+          vpshufhw $123, -2064(%rdx), %xmm23
+
+// CHECK: vpshufhw $171, %ymm17, %ymm29
+// CHECK:  encoding: [0x62,0x21,0xfe,0x28,0x70,0xe9,0xab]
+          vpshufhw $171, %ymm17, %ymm29
+
+// CHECK: vpshufhw $171, %ymm17, %ymm29 {%k7}
+// CHECK:  encoding: [0x62,0x21,0xfe,0x2f,0x70,0xe9,0xab]
+          vpshufhw $171, %ymm17, %ymm29 {%k7}
+
+// CHECK: vpshufhw $171, %ymm17, %ymm29 {%k7} {z}
+// CHECK:  encoding: [0x62,0x21,0xfe,0xaf,0x70,0xe9,0xab]
+          vpshufhw $171, %ymm17, %ymm29 {%k7} {z}
+
+// CHECK: vpshufhw $123,  %ymm17, %ymm29
+// CHECK:  encoding: [0x62,0x21,0xfe,0x28,0x70,0xe9,0x7b]
+          vpshufhw $123,  %ymm17, %ymm29
+
+// CHECK: vpshufhw $123, (%rcx), %ymm29
+// CHECK:  encoding: [0x62,0x61,0xfe,0x28,0x70,0x29,0x7b]
+          vpshufhw $123, (%rcx), %ymm29
+
+// CHECK: vpshufhw $123, 291(%rax,%r14,8), %ymm29
+// CHECK:  encoding: [0x62,0x21,0xfe,0x28,0x70,0xac,0xf0,0x23,0x01,0x00,0x00,0x7b]
+          vpshufhw $123, 291(%rax,%r14,8), %ymm29
+
+// CHECK: vpshufhw $123, 4064(%rdx), %ymm29
+// CHECK:  encoding: [0x62,0x61,0xfe,0x28,0x70,0x6a,0x7f,0x7b]
+          vpshufhw $123, 4064(%rdx), %ymm29
+
+// CHECK: vpshufhw $123, 4096(%rdx), %ymm29
+// CHECK:  encoding: [0x62,0x61,0xfe,0x28,0x70,0xaa,0x00,0x10,0x00,0x00,0x7b]
+          vpshufhw $123, 4096(%rdx), %ymm29
+
+// CHECK: vpshufhw $123, -4096(%rdx), %ymm29
+// CHECK:  encoding: [0x62,0x61,0xfe,0x28,0x70,0x6a,0x80,0x7b]
+          vpshufhw $123, -4096(%rdx), %ymm29
+
+// CHECK: vpshufhw $123, -4128(%rdx), %ymm29
+// CHECK:  encoding: [0x62,0x61,0xfe,0x28,0x70,0xaa,0xe0,0xef,0xff,0xff,0x7b]
+          vpshufhw $123, -4128(%rdx), %ymm29
+
+// CHECK: vpshuflw $171, %xmm27, %xmm30
+// CHECK:  encoding: [0x62,0x01,0xff,0x08,0x70,0xf3,0xab]
+          vpshuflw $171, %xmm27, %xmm30
+
+// CHECK: vpshuflw $171, %xmm27, %xmm30 {%k6}
+// CHECK:  encoding: [0x62,0x01,0xff,0x0e,0x70,0xf3,0xab]
+          vpshuflw $171, %xmm27, %xmm30 {%k6}
+
+// CHECK: vpshuflw $171, %xmm27, %xmm30 {%k6} {z}
+// CHECK:  encoding: [0x62,0x01,0xff,0x8e,0x70,0xf3,0xab]
+          vpshuflw $171, %xmm27, %xmm30 {%k6} {z}
+
+// CHECK: vpshuflw $123,  %xmm27, %xmm30
+// CHECK:  encoding: [0x62,0x01,0xff,0x08,0x70,0xf3,0x7b]
+          vpshuflw $123,  %xmm27, %xmm30
+
+// CHECK: vpshuflw $123, (%rcx), %xmm30
+// CHECK:  encoding: [0x62,0x61,0xff,0x08,0x70,0x31,0x7b]
+          vpshuflw $123, (%rcx), %xmm30
+
+// CHECK: vpshuflw $123, 291(%rax,%r14,8), %xmm30
+// CHECK:  encoding: [0x62,0x21,0xff,0x08,0x70,0xb4,0xf0,0x23,0x01,0x00,0x00,0x7b]
+          vpshuflw $123, 291(%rax,%r14,8), %xmm30
+
+// CHECK: vpshuflw $123, 2032(%rdx), %xmm30
+// CHECK:  encoding: [0x62,0x61,0xff,0x08,0x70,0x72,0x7f,0x7b]
+          vpshuflw $123, 2032(%rdx), %xmm30
+
+// CHECK: vpshuflw $123, 2048(%rdx), %xmm30
+// CHECK:  encoding: [0x62,0x61,0xff,0x08,0x70,0xb2,0x00,0x08,0x00,0x00,0x7b]
+          vpshuflw $123, 2048(%rdx), %xmm30
+
+// CHECK: vpshuflw $123, -2048(%rdx), %xmm30
+// CHECK:  encoding: [0x62,0x61,0xff,0x08,0x70,0x72,0x80,0x7b]
+          vpshuflw $123, -2048(%rdx), %xmm30
+
+// CHECK: vpshuflw $123, -2064(%rdx), %xmm30
+// CHECK:  encoding: [0x62,0x61,0xff,0x08,0x70,0xb2,0xf0,0xf7,0xff,0xff,0x7b]
+          vpshuflw $123, -2064(%rdx), %xmm30
+
+// CHECK: vpshuflw $171, %ymm25, %ymm25
+// CHECK:  encoding: [0x62,0x01,0xff,0x28,0x70,0xc9,0xab]
+          vpshuflw $171, %ymm25, %ymm25
+
+// CHECK: vpshuflw $171, %ymm25, %ymm25 {%k5}
+// CHECK:  encoding: [0x62,0x01,0xff,0x2d,0x70,0xc9,0xab]
+          vpshuflw $171, %ymm25, %ymm25 {%k5}
+
+// CHECK: vpshuflw $171, %ymm25, %ymm25 {%k5} {z}
+// CHECK:  encoding: [0x62,0x01,0xff,0xad,0x70,0xc9,0xab]
+          vpshuflw $171, %ymm25, %ymm25 {%k5} {z}
+
+// CHECK: vpshuflw $123,  %ymm25, %ymm25
+// CHECK:  encoding: [0x62,0x01,0xff,0x28,0x70,0xc9,0x7b]
+          vpshuflw $123,  %ymm25, %ymm25
+
+// CHECK: vpshuflw $123, (%rcx), %ymm25
+// CHECK:  encoding: [0x62,0x61,0xff,0x28,0x70,0x09,0x7b]
+          vpshuflw $123, (%rcx), %ymm25
+
+// CHECK: vpshuflw $123, 291(%rax,%r14,8), %ymm25
+// CHECK:  encoding: [0x62,0x21,0xff,0x28,0x70,0x8c,0xf0,0x23,0x01,0x00,0x00,0x7b]
+          vpshuflw $123, 291(%rax,%r14,8), %ymm25
+
+// CHECK: vpshuflw $123, 4064(%rdx), %ymm25
+// CHECK:  encoding: [0x62,0x61,0xff,0x28,0x70,0x4a,0x7f,0x7b]
+          vpshuflw $123, 4064(%rdx), %ymm25
+
+// CHECK: vpshuflw $123, 4096(%rdx), %ymm25
+// CHECK:  encoding: [0x62,0x61,0xff,0x28,0x70,0x8a,0x00,0x10,0x00,0x00,0x7b]
+          vpshuflw $123, 4096(%rdx), %ymm25
+
+// CHECK: vpshuflw $123, -4096(%rdx), %ymm25
+// CHECK:  encoding: [0x62,0x61,0xff,0x28,0x70,0x4a,0x80,0x7b]
+          vpshuflw $123, -4096(%rdx), %ymm25
+
+// CHECK: vpshuflw $123, -4128(%rdx), %ymm25
+// CHECK:  encoding: [0x62,0x61,0xff,0x28,0x70,0x8a,0xe0,0xef,0xff,0xff,0x7b]
+          vpshuflw $123, -4128(%rdx), %ymm25
+
diff --git a/llvm/test/MC/X86/x86-64-avx512f_vl.s b/llvm/test/MC/X86/x86-64-avx512f_vl.s
index 137c327ffb0..182f4dac87e 100644
--- a/llvm/test/MC/X86/x86-64-avx512f_vl.s
+++ b/llvm/test/MC/X86/x86-64-avx512f_vl.s
@@ -10428,12 +10428,123 @@ vaddpd  {rz-sae}, %zmm2, %zmm1, %zmm1
 // CHECK:  encoding: [0x62,0xe3,0xcd,0x30,0x54,0x92,0xf8,0xfb,0xff,0xff,0x7b]
           vfixupimmpd $0x7b, -1032(%rdx){1to4}, %ymm22, %ymm18
 
+// CHECK: vpshufd $171, %xmm23, %xmm17
+// CHECK:  encoding: [0x62,0xa1,0x7d,0x08,0x70,0xcf,0xab]
+          vpshufd $171, %xmm23, %xmm17
 
+// CHECK: vpshufd $171, %xmm23, %xmm17 {%k1}
+// CHECK:  encoding: [0x62,0xa1,0x7d,0x09,0x70,0xcf,0xab]
+          vpshufd $171, %xmm23, %xmm17 {%k1}
 
+// CHECK: vpshufd $171, %xmm23, %xmm17 {%k1} {z}
+// CHECK:  encoding: [0x62,0xa1,0x7d,0x89,0x70,0xcf,0xab]
+          vpshufd $171, %xmm23, %xmm17 {%k1} {z}
 
+// CHECK: vpshufd $123, %xmm23, %xmm17
+// CHECK:  encoding: [0x62,0xa1,0x7d,0x08,0x70,0xcf,0x7b]
+          vpshufd $123, %xmm23, %xmm17
 
+// CHECK: vpshufd $123, (%rcx), %xmm17
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x08,0x70,0x09,0x7b]
+          vpshufd $123, (%rcx), %xmm17
 
+// CHECK: vpshufd $123, 291(%rax,%r14,8), %xmm17
+// CHECK:  encoding: [0x62,0xa1,0x7d,0x08,0x70,0x8c,0xf0,0x23,0x01,0x00,0x00,0x7b]
+          vpshufd $123, 291(%rax,%r14,8), %xmm17
 
 
+// CHECK: vpshufd $123, 2032(%rdx), %xmm17
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x08,0x70,0x4a,0x7f,0x7b]
+          vpshufd $123, 2032(%rdx), %xmm17
 
+// CHECK: vpshufd $123, (%rcx){1to4}, %xmm17
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x18,0x70,0x09,0x7b]
+          vpshufd $123, (%rcx){1to4}, %xmm17
 
+// CHECK: vpshufd $123, 2048(%rdx), %xmm17
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x08,0x70,0x8a,0x00,0x08,0x00,0x00,0x7b]
+          vpshufd $123, 2048(%rdx), %xmm17
+
+// CHECK: vpshufd $123, -2048(%rdx), %xmm17
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x08,0x70,0x4a,0x80,0x7b]
+          vpshufd $123, -2048(%rdx), %xmm17
+
+// CHECK: vpshufd $123, -2064(%rdx), %xmm17
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x08,0x70,0x8a,0xf0,0xf7,0xff,0xff,0x7b]
+          vpshufd $123, -2064(%rdx), %xmm17
+
+// CHECK: vpshufd $123, 508(%rdx){1to4}, %xmm17
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x18,0x70,0x4a,0x7f,0x7b]
+          vpshufd $123, 508(%rdx){1to4}, %xmm17
+
+// CHECK: vpshufd $123, 512(%rdx){1to4}, %xmm17
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x18,0x70,0x8a,0x00,0x02,0x00,0x00,0x7b]
+          vpshufd $123, 512(%rdx){1to4}, %xmm17
+
+// CHECK: vpshufd $123, -512(%rdx){1to4}, %xmm17
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x18,0x70,0x4a,0x80,0x7b]
+          vpshufd $123, -512(%rdx){1to4}, %xmm17
+
+// CHECK: vpshufd $123, -516(%rdx){1to4}, %xmm17
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x18,0x70,0x8a,0xfc,0xfd,0xff,0xff,0x7b]
+          vpshufd $123, -516(%rdx){1to4}, %xmm17
+
+// CHECK: vpshufd $171, %ymm22, %ymm20
+// CHECK:  encoding: [0x62,0xa1,0x7d,0x28,0x70,0xe6,0xab]
+          vpshufd $171, %ymm22, %ymm20
+
+// CHECK: vpshufd $171, %ymm22, %ymm20 {%k2}
+// CHECK:  encoding: [0x62,0xa1,0x7d,0x2a,0x70,0xe6,0xab]
+          vpshufd $171, %ymm22, %ymm20 {%k2}
+
+// CHECK: vpshufd $171, %ymm22, %ymm20 {%k2} {z}
+// CHECK:  encoding: [0x62,0xa1,0x7d,0xaa,0x70,0xe6,0xab]
+          vpshufd $171, %ymm22, %ymm20 {%k2} {z}
+
+// CHECK: vpshufd $123, %ymm22, %ymm20
+// CHECK:  encoding: [0x62,0xa1,0x7d,0x28,0x70,0xe6,0x7b]
+          vpshufd $123, %ymm22, %ymm20
+
+// CHECK: vpshufd $123, (%rcx), %ymm20
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x28,0x70,0x21,0x7b]
+          vpshufd $123, (%rcx), %ymm20
+
+// CHECK: vpshufd $123, 291(%rax,%r14,8), %ymm20
+// CHECK:  encoding: [0x62,0xa1,0x7d,0x28,0x70,0xa4,0xf0,0x23,0x01,0x00,0x00,0x7b]
+          vpshufd $123, 291(%rax,%r14,8), %ymm20
+
+// CHECK: vpshufd $123, (%rcx){1to8}, %ymm20
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x38,0x70,0x21,0x7b]
+          vpshufd $123, (%rcx){1to8}, %ymm20
+
+// CHECK: vpshufd $123, 4064(%rdx), %ymm20
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x28,0x70,0x62,0x7f,0x7b]
+          vpshufd $123, 4064(%rdx), %ymm20
+
+// CHECK: vpshufd $123, 4096(%rdx), %ymm20
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x28,0x70,0xa2,0x00,0x10,0x00,0x00,0x7b]
+          vpshufd $123, 4096(%rdx), %ymm20
+
+// CHECK: vpshufd $123, -4096(%rdx), %ymm20
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x28,0x70,0x62,0x80,0x7b]
+          vpshufd $123, -4096(%rdx), %ymm20
+
+// CHECK: vpshufd $123, -4128(%rdx), %ymm20
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x28,0x70,0xa2,0xe0,0xef,0xff,0xff,0x7b]
+          vpshufd $123, -4128(%rdx), %ymm20
+
+// CHECK: vpshufd $123, 508(%rdx){1to8}, %ymm20
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x38,0x70,0x62,0x7f,0x7b]
+          vpshufd $123, 508(%rdx){1to8}, %ymm20
+
+// CHECK: vpshufd $123, 512(%rdx){1to8}, %ymm20
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x38,0x70,0xa2,0x00,0x02,0x00,0x00,0x7b]
+          vpshufd $123, 512(%rdx){1to8}, %ymm20
+
+// CHECK: vpshufd $123, -512(%rdx){1to8}, %ymm20
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x38,0x70,0x62,0x80,0x7b]
+          vpshufd $123, -512(%rdx){1to8}, %ymm20
+
+// CHECK: vpshufd $123, -516(%rdx){1to8}, %ymm20
+// CHECK:  encoding: [0x62,0xe1,0x7d,0x38,0x70,0xa2,0xfc,0xfd,0xff,0xff,0x7b]
+          vpshufd $123, -516(%rdx){1to8}, %ymm20