[Bug gas/23665] Invalid -mavxscalar=256 encoding

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=23665

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Also:

address@hidden testsuite]$ cat x.s
        vmovq  %xmm4,%xmm4
        vmovq  %xmm4,(%ecx)
address@hidden testsuite]$ as -mavxscalar=256 --32 -o x.o x.s
address@hidden testsuite]$ objdump -dw x.o

x.o:     file format elf32-i386


Disassembly of section .text:

00000000 <.text>:
   0:   c5 fe 7e e4             vmovq  %xmm4,%xmm4
   4:   c5 fd d6 21             vmovq  %xmm4,(%ecx)
address@hidden testsuite]$ 

address@hidden sde-external-8.16.0-2018-01-30-lin]$ ./xed -d c5 fe 7e e4
C5FE7EE4
ERROR: GENERAL_ERROR Could not decode at offset: 0x0 PC: 0x0:
[C5FE7EE40000000000000000000000]
address@hidden sde-external-8.16.0-2018-01-30-lin]$

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