https://sourceware.org/bugzilla/show_bug.cgi?id=32403
--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> ---
I got
$ cat x.s
.text
vpsrlw $0x1f,(%r15,%rcx,4),%xmm0
vpsraw $0x1f,(%r15,%rcx,4),%xmm0
vpsllw $0x1f,(%r15,%rcx,4),%xmm0
vpsrad $0x1f,(%r15,%rcx,4),%xmm0
vpsraq $0x1f,(%r15,%rcx,4),%xmm0
vpsrldq $0x1f,(%r15,%rcx,4),%xmm0
vpslldq $0x1f,(%r15,%rcx,4),%xmm0
vpsrld $0x1f,(%r15,%rcx,4),%xmm0
vpslld $0x1f,(%r15,%rcx,4),%xmm0
vpsrlq $0x1f,(%r15,%rcx,4),%xmm0
vpsllq $0x1f,(%r15,%rcx,4),%xmm0
$ make
./as -o x.o x.s
./objdump -dw x.o
x.o: file format elf64-x86-64
Disassembly of section .text:
0000000000000000 <.text>:
0: 62 d1 7d 08 71 14 8f 1f vpsrlw $0x1f,(%r15,%rcx,4),%xmm0
8: 62 d1 7d 08 71 24 8f 1f vpsraw $0x1f,(%r15,%rcx,4),%xmm0
10: 62 d1 7d 08 71 34 8f 1f vpsllw $0x1f,(%r15,%rcx,4),%xmm0
18: 62 d1 7d 08 72 24 8f 1f vpsrad $0x1f,(%r15,%rcx,4),%xmm0
20: 62 d1 fd 08 72 24 8f 1f vpsraq $0x1f,(%r15,%rcx,4),%xmm0
28: 62 d1 7d 08 73 1c 8f 1f vpsrldq $0x1f,(%r15,%rcx,4),%xmm0
30: 62 d1 7d 08 73 3c 8f 1f vpslldq $0x1f,(%r15,%rcx,4),%xmm0
38: 62 d1 7d 08 72 14 8f 1f vpsrld $0x1f,(%r15,%rcx,4),%xmm0
40: 62 d1 7d 08 72 34 8f 1f vpslld $0x1f,(%r15,%rcx,4),%xmm0
48: 62 d1 fd 08 73 14 8f 1f vpsrlq $0x1f,(%r15,%rcx,4),%xmm0
50: 62 d1 fd 08 73 34 8f 1f vpsllq $0x1f,(%r15,%rcx,4),%xmm0
$
--
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