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gas/testsuite/ 

* gas/i386/rex.s: Add test of REX prefix before fsave (i.e. fwait).
	* gas/i386/rex.d: Update.

opcodes/
	* i386-dis.c (ckprefix): When bailing out for fwait with prefixes,
	set rex_used to rex.
This commit is contained in:
Roland McGrath 2012-10-24 21:41:33 +00:00
parent 64f401629b
commit 6c067bbb1a
6 changed files with 79 additions and 57 deletions
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5
gas/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2012-10-24 Roland McGrath <mcgrathr@google.com>
* gas/i386/rex.s: Add test of REX prefix before fsave (i.e. fwait).
* gas/i386/rex.d: Update.
2012-10-22 Peter Bergner <bergner@vnet.ibm.com>
* gas/ppc/altivec.s <vcfpsxws>: Fix opcode spelling.

3
gas/testsuite/gas/i386/ilp32/rex.d
View File

@ -15,6 +15,9 @@ Disassembly of section .text:
[ ]*[0-9a-f]+:[ ]+4a 0f ae 04 05 00 00 00 00[ ]+fxsave64[ ]+(0x0)?\(,%r8(,1)?\)
[ ]*[0-9a-f]+:[ ]+43 0f ae 04 00[ ]+fxsave[ ]+\(%r8,%r8(,1)?\)
[ ]*[0-9a-f]+:[ ]+4b 0f ae 04 00[ ]+fxsave64[ ]+\(%r8,%r8(,1)?\)
[ ]*[0-9a-f]+:[ ]+41\s+rex\.B
[ ]*[0-9a-f]+:[ ]+9b dd 30\s+fsave\s+\(%rax\)
[ ]*[0-9a-f]+:[ ]+9b 41 dd 30\s+fsave\s+\(%r8\)
[ ]*[0-9a-f]+:[ ]+40 c5 f9 28 00[ ]+rex vmovapd \(%rax\),%xmm0
[ ]*[0-9a-f]+:[ ]+40[ ]+rex
[ ]*[0-9a-f]+:[ ]+41[ ]+rex.B

3
gas/testsuite/gas/i386/rex.d
View File

@ -14,6 +14,9 @@ Disassembly of section .text:
[ ]*[0-9a-f]+:[ ]+4a 0f ae 04 05 00 00 00 00[ ]+fxsave64[ ]+(0x0)?\(,%r8(,1)?\)
[ ]*[0-9a-f]+:[ ]+43 0f ae 04 00[ ]+fxsave[ ]+\(%r8,%r8(,1)?\)
[ ]*[0-9a-f]+:[ ]+4b 0f ae 04 00[ ]+fxsave64[ ]+\(%r8,%r8(,1)?\)
[ ]*[0-9a-f]+:[ ]+41\s+rex\.B
[ ]*[0-9a-f]+:[ ]+9b dd 30\s+fsave\s+\(%rax\)
[ ]*[0-9a-f]+:[ ]+9b 41 dd 30\s+fsave\s+\(%r8\)
[ ]*[0-9a-f]+:[ ]+40 c5 f9 28 00[ ]+rex vmovapd \(%rax\),%xmm0
[ ]*[0-9a-f]+:[ ]+40[ ]+rex
[ ]*[0-9a-f]+:[ ]+41[ ]+rex.B

3
gas/testsuite/gas/i386/rex.s
View File

@ -10,6 +10,9 @@ _start:
rex/fxsave (%r8,%r8)
rex64/fxsave (%r8,%r8)
.byte 0x41,0x9b,0xdd,0x30
fsave (%r8)
.byte 0x40
vmovapd (%rax),%xmm0

5
opcodes/ChangeLog
View File

@ -1,3 +1,8 @@
2012-10-24 Roland McGrath <mcgrathr@google.com>
* i386-dis.c (ckprefix): When bailing out for fwait with prefixes,
set rex_used to rex.
2012-10-22 Peter Bergner <bergner@vnet.ibm.com>
* ppc-opc.c (powerpc_opcodes) <vcfpsxws>: Fix opcode spelling.

3
opcodes/i386-dis.c
View File

@ -10756,6 +10756,9 @@ ckprefix (void)
{
prefixes |= PREFIX_FWAIT;
codep++;
/* This ensures that the previous REX prefixes are noticed
as unused prefixes, as in the return case below. */
rex_used = rex;
return 1;
}
prefixes = PREFIX_FWAIT;