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PR gas/12854 

Add additional checks for extraneous shifts and extra tests in the testsuite.
This commit is contained in:
Nick Clifton 2011-06-13 12:50:18 +00:00
parent dc7eb48e0a
commit af199b0601
3 changed files with 22 additions and 6 deletions
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8
gas/config/tc-arm.c
View File

@ -11570,6 +11570,10 @@ do_t_shift (void)
inst.instruction |= inst.operands[0].reg;
inst.instruction |= inst.operands[2].reg << 3;
/* PR 12854: Error on extraneous shifts. */
constraint (inst.operands[2].shifted,
_("extraneous shift as part of operand to shift insn"));
}
else
{
@ -11609,6 +11613,10 @@ do_t_shift (void)
inst.instruction |= inst.operands[0].reg;
inst.instruction |= inst.operands[2].reg << 3;
/* PR 12854: Error on extraneous shifts. */
constraint (inst.operands[2].shifted,
_("extraneous shift as part of operand to shift insn"));
}
else
{

13
gas/testsuite/gas/arm/shift-bad.l
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@ -1,6 +1,9 @@
.*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'
.*shift-bad.s:2: Error: extraneous shift as part of operand to shift insn -- `asr r0,r1,r2,ror#5'
.*shift-bad.s:3: Error: extraneous shift as part of operand to shift insn -- `ror r0,r1,r2,lsl r3'
.*shift-bad.s:7: Error: extraneous shift as part of operand to shift insn -- `ror r0,r0,r2,lsl#1'
.*shift-bad.s:8: Error: extraneous shift as part of operand to shift insn -- `lsl r0,r0,r2,lsl#1'
.*shift-bad.s:9: Error: extraneous shift as part of operand to shift insn -- `lsl r0,r0,r2,asr r0'
.*shift-bad.s:13: Error: extraneous shift as part of operand to shift insn -- `ror r0,r1,r2,lsl#1'
.*shift-bad.s:14: Error: extraneous shift as part of operand to shift insn -- `lsl r0,r1,r2,lsl#1'
.*shift-bad.s:15: Error: extraneous shift as part of operand to shift insn -- `lsl r0,r1,r2,asr r0'

7
gas/testsuite/gas/arm/shift-bad.s
View File

@ -1,10 +1,15 @@
.syntax unified
asr r0, r1, r2, ror #5
ror r0, r1, r2, lsl r3
.thumb_func
foo:
ror r0, r0, r2, lsl #1
lsl r0, r0, r2, lsl #1
lsl r0, r0, r2, asr r0
.syntax unified
ror r0, r1, r2, lsl #1
lsl r0, r1, r2, lsl #1
lsl r0, r1, r2, asr r0