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PR 10168

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* config/tc-arm.c (do_t_pkhtb): Swap Rm and Rn when encoding as
        PKHBT.
        * gas/arm/thumb32.d: Fix expected disassembly of PKHTB insn.
This commit is contained in:
Nick Clifton
2009-07-01 16:36:28 +00:00
parent c9d707578e
commit 1ef52f49b5
5 changed files with 23 additions and 3 deletions
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6
gas/ChangeLog
View File

@ -1,3 +1,9 @@
2009-07-01 Nick Clifton <nickc@redhat.com>
PR 10168
* config/tc-arm.c (do_t_pkhtb): Swap Rm and Rn when encoding as
PKHBT.
2009-07-01 Paul Brook <paul@codesourcery.com>
* config/tc-arm.c (MISSING_FNSTART): Define.

9
gas/config/tc-arm.c
View File

@ -10479,7 +10479,16 @@ static void
do_t_pkhtb (void)
{
if (!inst.operands[3].present)
{
unsigned Rtmp;
inst.instruction &= ~0x00000020;
/* PR 10168. Swap the Rm and Rn registers. */
Rtmp = inst.operands[1].reg;
inst.operands[1].reg = inst.operands[2].reg;
inst.operands[2].reg = Rtmp;
}
do_t_pkhbt ();
}

5
gas/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2009-07-01 Nick Clifton <nickc@redhat.com>
PR 10168
* gas/arm/thumb32.d: Fix expected disassembly of PKHTB insn.
2009-07-01 Paul Brook <paul@codesourcery.com>
* gas/arm/fp-save.s: Add .fnstart and .fnend directives.

2
gas/testsuite/gas/arm/thumb32.d
View File

@ -687,7 +687,7 @@ Disassembly of section .text:
0[0-9a-f]+ <[^>]+> eac0 0009 pkhbt r0, r0, r9
0[0-9a-f]+ <[^>]+> eac0 5000 pkhbt r0, r0, r0, lsl #20
0[0-9a-f]+ <[^>]+> eac0 00c0 pkhbt r0, r0, r0, lsl #3
0[0-9a-f]+ <[^>]+> eac2 0103 pkhbt r1, r2, r3
0[0-9a-f]+ <[^>]+> eac3 0102 pkhbt r1, r3, r2
0[0-9a-f]+ <[^>]+> eac2 4163 pkhtb r1, r2, r3, asr #17
0[0-9a-f]+ <[^>]+> b401 push \{r0\}
0[0-9a-f]+ <[^>]+> bc01 pop \{r0\}