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[Bug binutils/23655] Wrong disassembler output for EVEX.W instructions i
From: |
hjl.tools at gmail dot com |
Subject: |
[Bug binutils/23655] Wrong disassembler output for EVEX.W instructions in 32-bit |
Date: |
Fri, 14 Sep 2018 12:33:41 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=23655
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
address@hidden binutils]$ cat /tmp/1.s
.text
.byte 0x62, 0xf1, 0xd6, 0x38, 0x2a, 0xf0
.text
.byte 0x62, 0xf1, 0xd7, 0x38, 0x2a, 0xf0
.text
.byte 0x62, 0xf1, 0xd6, 0x08, 0x7b, 0xf0
.text
.byte 0x62, 0xf1, 0xd7, 0x08, 0x7b, 0xf0
.text
.byte 0x62, 0xf1, 0xd6, 0x38, 0x7b, 0xf0
.text
.byte 0x62, 0xf1, 0xd7, 0x38, 0x7b, 0xf0
address@hidden binutils]$ as --32 -o 1.o /tmp/1.s
address@hidden binutils]$ ./objdump -dw 1.o
1.o: file format elf32-i386
Disassembly of section .text:
00000000 <.text>:
0: 62 f1 d6 38 2a f0 vcvtsi2ss %eax,{rd-sae},%xmm5,%xmm6
6: 62 f1 d7 38 2a f0 vcvtsi2sd %eax,{rd-sae},%xmm5,%xmm6
^^^^^^^^^^^^^^^ No such insn
c: 62 f1 d6 08 7b f0 vcvtusi2ss %eax,%xmm5,%xmm6
12: 62 f1 d7 08 7b f0 vcvtusi2sd %eax,%xmm5,%xmm6
18: 62 f1 d6 38 7b f0 vcvtusi2ss %eax,{rd-sae},%xmm5,%xmm6
1e: 62 f1 d7 38 7b f0 vcvtusi2sd %eax,{rd-sae},%xmm5,%xmm6
^^^^^^^^^^^^^^^^ No such insn
address@hidden binutils]$
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