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Thumb2: MUL two-operand form encoding operand order fix.

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Fix the alias to encode 'mul r5, r6' as if it were 'mul r5, r6, r5' so we
match gas.

rdar://10532439

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145922 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-12-06 05:03:45 +00:00
parent 1ff73d7a67
commit cf9814ddd2
2 changed files with 3 additions and 3 deletions
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2
lib/Target/ARM/ARMInstrThumb2.td
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@ -4088,4 +4088,4 @@ def : t2InstAlias<"mov${p} $Rd, $imm",
// Wide 'mul' encoding can be specified with only two operands.
def : t2InstAlias<"mul${p} $Rn, $Rm",
(t2MUL rGPR:$Rn, rGPR:$Rn, rGPR:$Rm, pred:$p)>;
(t2MUL rGPR:$Rn, rGPR:$Rm, rGPR:$Rn, pred:$p)>;

4
test/MC/ARM/basic-thumb2-instructions.s
View File

@ -1236,7 +1236,7 @@ _func:
muleq r3, r4, r5
it le
mulle r4, r4, r8
mul r6, r5
mul r5, r6
@ CHECK: muls r3, r4, r3 @ encoding: [0x63,0x43]
@ CHECK: mul r3, r4, r3 @ encoding: [0x04,0xfb,0x03,0xf3]
@ -1245,7 +1245,7 @@ _func:
@ CHECK: muleq r3, r4, r5 @ encoding: [0x04,0xfb,0x05,0xf3]
@ CHECK: it le @ encoding: [0xd8,0xbf]
@ CHECK: mulle r4, r4, r8 @ encoding: [0x04,0xfb,0x08,0xf4]
@ CHECK: mul r6, r6, r5 @ encoding: [0x06,0xfb,0x05,0xf6]
@ CHECK: mul r5, r6, r5 @ encoding: [0x06,0xfb,0x05,0xf5]
@------------------------------------------------------------------------------