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[AArch64] Missing aliases for CMP/CMN [W]SP with no shift

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llvm-svn: 210464
This commit is contained in:
Artyom Skrobov 2014-06-09 11:10:14 +00:00
parent 48723caad4
commit 915d6e58c2
3 changed files with 12 additions and 4 deletions
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4
lib/Target/AArch64/AArch64InstrFormats.td
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@ -1738,6 +1738,10 @@ multiclass AddSubS<bit isSub, string mnemonic, SDNode OpNode, string cmp> {
WZR, GPR32:$src1, GPR32:$src2, 0), 5>;
def : InstAlias<cmp#" $src1, $src2", (!cast<Instruction>(NAME#"Xrs")
XZR, GPR64:$src1, GPR64:$src2, 0), 5>;
def : InstAlias<cmp#" $src1, $src2", (!cast<Instruction>(NAME#"Wrx")
WZR, GPR32sponly:$src1, GPR32:$src2, 16), 5>;
def : InstAlias<cmp#" $src1, $src2", (!cast<Instruction>(NAME#"Xrx64")
XZR, GPR64sponly:$src1, GPR64:$src2, 24), 5>;
// Register/register aliases with no shift when SP is not used.
def : AddSubRegAlias<mnemonic, !cast<Instruction>(NAME#"Wrs"),

4
test/MC/AArch64/basic-a64-diagnostics.s
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@ -395,7 +395,6 @@
cmn w11, w12, lsr #-1
cmn w11, w12, lsr #32
cmn w19, wzr, asr #-1
cmn wsp, w0
cmn wzr, wzr, asr #32
cmn x9, x10, lsl #-1
cmn x9, x10, lsl #64
@ -418,9 +417,6 @@
// CHECK-ERROR-NEXT: error: expected integer shift amount
// CHECK-ERROR-NEXT: cmn w19, wzr, asr #-1
// CHECK-ERROR-NEXT: ^
// CHECK-ERROR-NEXT: error: too few operands for instruction
// CHECK-ERROR-NEXT: cmn wsp, w0
// CHECK-ERROR-NEXT: ^
// CHECK-ERROR-NEXT: error: expected 'lsl', 'lsr' or 'asr' with optional integer in range [0, 31]
// CHECK-ERROR-NEXT: cmn wzr, wzr, asr #32
// CHECK-ERROR-NEXT: ^

8
test/MC/AArch64/basic-a64-instructions.s
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@ -601,9 +601,11 @@ _func:
cmn w0, w3
cmn wzr, w4
cmn w5, wzr
cmn wsp, w6
// CHECK: cmn w0, w3 // encoding: [0x1f,0x00,0x03,0x2b]
// CHECK: cmn wzr, w4 // encoding: [0xff,0x03,0x04,0x2b]
// CHECK: cmn w5, wzr // encoding: [0xbf,0x00,0x1f,0x2b]
// CHECK: cmn wsp, w6 // encoding: [0xff,0x43,0x26,0x2b]
cmn w6, w7, lsl #0
cmn w8, w9, lsl #15
@ -629,9 +631,11 @@ _func:
cmn x0, x3
cmn xzr, x4
cmn x5, xzr
cmn sp, x6
// CHECK: cmn x0, x3 // encoding: [0x1f,0x00,0x03,0xab]
// CHECK: cmn xzr, x4 // encoding: [0xff,0x03,0x04,0xab]
// CHECK: cmn x5, xzr // encoding: [0xbf,0x00,0x1f,0xab]
// CHECK: cmn sp, x6 // encoding: [0xff,0x63,0x26,0xab]
cmn x6, x7, lsl #0
cmn x8, x9, lsl #15
@ -657,9 +661,11 @@ _func:
cmp w0, w3
cmp wzr, w4
cmp w5, wzr
cmp wsp, w6
// CHECK: cmp w0, w3 // encoding: [0x1f,0x00,0x03,0x6b]
// CHECK: cmp wzr, w4 // encoding: [0xff,0x03,0x04,0x6b]
// CHECK: cmp w5, wzr // encoding: [0xbf,0x00,0x1f,0x6b]
// CHECK: cmp wsp, w6 // encoding: [0xff,0x43,0x26,0x6b]
cmp w6, w7, lsl #0
cmp w8, w9, lsl #15
@ -685,9 +691,11 @@ _func:
cmp x0, x3
cmp xzr, x4
cmp x5, xzr
cmp sp, x6
// CHECK: cmp x0, x3 // encoding: [0x1f,0x00,0x03,0xeb]
// CHECK: cmp xzr, x4 // encoding: [0xff,0x03,0x04,0xeb]
// CHECK: cmp x5, xzr // encoding: [0xbf,0x00,0x1f,0xeb]
// CHECK: cmp sp, x6 // encoding: [0xff,0x63,0x26,0xeb]
cmp x6, x7, lsl #0
cmp x8, x9, lsl #15