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authorPaul Brook <paul@codesourcery.com>2007-11-06 22:17:00 +0000
committerPaul Brook <paul@codesourcery.com>2007-11-06 22:17:00 +0000
commit682b27ad2a2238e7575e7eab1978cbb850135965 (patch)
treebaa39c9abc1e95093e4339e2503c4298eb5a8b78 /gas/config
parent8c7504802aa101a9df8e799e1d1943ab7b5ff80b (diff)
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2007-11-06 Paul Brook <paul@codesourcery.com>
gas/ * config/tc-arm.c (do_mull): Allow overlapping Rm for armv6. gas/testsuite/ * gas/arm/mul-overlap.s: Add umull and smlal. * gas/arm/mul-overlap.l: Update expected results.
Diffstat (limited to 'gas/config')
-rw-r--r--gas/config/tc-arm.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index f2f7dcc..a35204c 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -7202,10 +7202,14 @@ do_mull (void)
inst.instruction |= inst.operands[2].reg;
inst.instruction |= inst.operands[3].reg << 8;
- /* rdhi, rdlo and rm must all be different. */
- if (inst.operands[0].reg == inst.operands[1].reg
- || inst.operands[0].reg == inst.operands[2].reg
+ /* rdhi and rdlo must be different. */
+ if (inst.operands[0].reg == inst.operands[1].reg)
+ as_tsktsk (_("rdhi and rdlo must be different"));
+
+ /* rdhi, rdlo and rm must all be different before armv6. */
+ if ((inst.operands[0].reg == inst.operands[2].reg
|| inst.operands[1].reg == inst.operands[2].reg)
+ && !ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6))
as_tsktsk (_("rdhi, rdlo and rm must all be different"));
}