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PR gas/12854

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* gas/arm/shift-bad.s: New test.
	* gas/arm/shift-bad.l: Expcted error output.
	* gas/arm/shift-bad.s: New control file.

	* config/tc-arm.c (do_shift): Do not allow shift operations at the
	end of a register based shift insn.
	(do_t_shift): Likewise.
This commit is contained in:
Nick Clifton 2011-06-13 09:57:35 +00:00
parent f9e53abc4a
commit 94342ec38b
6 changed files with 40 additions and 0 deletions
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7
gas/ChangeLog
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@ -1,3 +1,10 @@
2011-06-13 Nick Clifton <nickc@redhat.com>
PR gas/12854
* config/tc-arm.c (do_shift): Do not allow shift operations at the
end of a register based shift insn.
(do_t_shift): Likewise.
2011-06-13 Nick Clifton <nickc@redhat.com>
* config/tc-score.c (s3_my_get_expression): Delete unused local

7
gas/config/tc-arm.c
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@ -8343,6 +8343,9 @@ do_shift (void)
{
inst.instruction |= inst.operands[2].reg << 8;
inst.instruction |= SHIFT_BY_REG;
/* PR 12854: Error on extraneous shifts. */
constraint (inst.operands[2].shifted,
_("extraneous shift as part of operand to shift insn"));
}
else
inst.reloc.type = BFD_RELOC_ARM_SHIFT_IMM;
@ -11535,6 +11538,10 @@ do_t_shift (void)
inst.instruction |= inst.operands[0].reg << 8;
inst.instruction |= inst.operands[1].reg << 16;
inst.instruction |= inst.operands[2].reg;
/* PR 12854: Error on extraneous shifts. */
constraint (inst.operands[2].shifted,
_("extraneous shift as part of operand to shift insn"));
}
else
{

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gas/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2011-06-13 Nick Clifton <nickc@redhat.com>
PR gas/12854
* gas/arm/shift-bad.s: New test.
* gas/arm/shift-bad.l: Expcted error output.
* gas/arm/shift-bad.s: New control file.
2011-06-12 H.J. Lu <hongjiu.lu@intel.com>
* gas/i386/arch-10-lzcnt.d: Updated.

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gas/testsuite/gas/arm/shift-bad.d Normal file
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# name: PR 12854: Extraneous shifts
# as:
# error-output: shift-bad.l

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gas/testsuite/gas/arm/shift-bad.l Normal file
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.*shift-bad.s: Assembler messages:
.*shift-bad.s:3: Error: extraneous shift as part of operand to shift insn -- `asr r0,r1,r2,ror#5'
.*shift-bad.s:4: Error: extraneous shift as part of operand to shift insn -- `ror r0,r1,r2,lsl r3'
.*shift-bad.s:8: Error: extraneous shift as part of operand to shift insn -- `ror r0,r1,r2,lsl#1'
.*shift-bad.s:9: Error: extraneous shift as part of operand to shift insn -- `lsl r0,r1,r2,lsl#1'
.*shift-bad.s:10: Error: extraneous shift as part of operand to shift insn -- `lsl r0,r1,r2,asr r0'

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gas/testsuite/gas/arm/shift-bad.s Normal file
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.syntax unified
asr r0, r1, r2, ror #5
ror r0, r1, r2, lsl r3
.thumb_func
foo:
ror r0, r1, r2, lsl #1
lsl r0, r1, r2, lsl #1
lsl r0, r1, r2, asr r0