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[ARM64] Print preferred aliases for SFBM/UBFM in InstPrinter

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llvm-svn: 207219
This commit is contained in:
Bradley Smith 2014-04-25 10:25:29 +00:00
parent f9a129a8ff
commit 51d6f272a3
11 changed files with 108 additions and 91 deletions
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35
lib/Target/ARM64/InstPrinter/ARM64InstPrinter.cpp
View File

@ -83,23 +83,30 @@ void ARM64InstPrinter::printInst(const MCInst *MI, raw_ostream &O,
const MCOperand &Op2 = MI->getOperand(2);
const MCOperand &Op3 = MI->getOperand(3);
bool IsSigned = (Opcode == ARM64::SBFMXri || Opcode == ARM64::SBFMWri);
bool Is64Bit = (Opcode == ARM64::SBFMXri || Opcode == ARM64::UBFMXri);
if (Op2.isImm() && Op2.getImm() == 0 && Op3.isImm()) {
bool IsSigned = (Opcode == ARM64::SBFMXri || Opcode == ARM64::SBFMWri);
const char *AsmMnemonic = nullptr;
switch (Op3.getImm()) {
default:
break;
case 7:
AsmMnemonic = IsSigned ? "sxtb" : "uxtb";
if (IsSigned)
AsmMnemonic = "sxtb";
else if (!Is64Bit)
AsmMnemonic = "uxtb";
break;
case 15:
AsmMnemonic = IsSigned ? "sxth" : "uxth";
if (IsSigned)
AsmMnemonic = "sxth";
else if (!Is64Bit)
AsmMnemonic = "uxth";
break;
case 31:
// *xtw is only valid for 64-bit operations.
if (Opcode == ARM64::SBFMXri || Opcode == ARM64::UBFMXri)
AsmMnemonic = IsSigned ? "sxtw" : "uxtw";
// *xtw is only valid for signed 64-bit operations.
if (Is64Bit && IsSigned)
AsmMnemonic = "sxtw";
break;
}
@ -146,6 +153,22 @@ void ARM64InstPrinter::printInst(const MCInst *MI, raw_ostream &O,
return;
}
}
// SBFIZ/UBFIZ aliases
if (Op2.getImm() > Op3.getImm()) {
O << '\t' << (IsSigned ? "sbfiz" : "ubfiz") << '\t'
<< getRegisterName(Op0.getReg()) << ", " << getRegisterName(Op1.getReg())
<< ", #" << (Is64Bit ? 64 : 32) - Op2.getImm() << ", #" << Op3.getImm() + 1;
printAnnotation(O, Annot);
return;
}
// Otherwise SBFX/UBFX is the prefered form
O << '\t' << (IsSigned ? "sbfx" : "ubfx") << '\t'
<< getRegisterName(Op0.getReg()) << ", " << getRegisterName(Op1.getReg())
<< ", #" << Op2.getImm() << ", #" << Op3.getImm() - Op2.getImm() + 1;
printAnnotation(O, Annot);
return;
}
// Symbolic operands for MOVZ, MOVN and MOVK already imply a shift

20
test/CodeGen/AArch64/bitfield.ll
View File

@ -64,7 +64,7 @@ define void @test_extendw(i32 %var) {
%uxt64 = zext i32 %var to i64
store volatile i64 %uxt64, i64* @var64
; CHECK-AARCH64: ubfx {{w[0-9]+}}, {{w[0-9]+}}, #0, #32
; CHECK-ARM64: uxtw {{x[0-9]+}}, {{w[0-9]+}}
; CHECK-ARM64: ubfx {{x[0-9]+}}, {{x[0-9]+}}, #0, #32
ret void
}
@ -124,8 +124,7 @@ define void @test_sext_inreg_64(i64 %in) {
%trunc_i1 = trunc i64 %in to i1
%sext_i1 = sext i1 %trunc_i1 to i64
store volatile i64 %sext_i1, i64* @var64
; CHECK-AARCH64: sbfx {{x[0-9]+}}, {{x[0-9]+}}, #0, #1
; CHECK-ARM64: sbfm {{x[0-9]+}}, {{x[0-9]+}}, #0, #0
; CHECK: sbfx {{x[0-9]+}}, {{x[0-9]+}}, #0, #1
%trunc_i8 = trunc i64 %in to i8
%sext_i8 = sext i8 %trunc_i8 to i64
@ -176,16 +175,14 @@ define i64 @test_sext_inreg_from_32(i32 %in) {
; Different registers are of course, possible, though suboptimal. This is
; making sure that a 64-bit "(sext_inreg (anyext GPR32), i1)" uses the 64-bit
; sbfx rather than just 32-bits.
; CHECK-AARCH64: sbfx x0, x0, #0, #1
; CHECK-ARM64: sbfm x0, x0, #0, #0
; CHECK: sbfx x0, x0, #0, #1
ret i64 %ext
}
define i32 @test_ubfx32(i32* %addr) {
; CHECK-LABEL: test_ubfx32:
; CHECK-AARCH64: ubfx {{w[0-9]+}}, {{w[0-9]+}}, #23, #3
; CHECK-ARM64: ubfm {{w[0-9]+}}, {{w[0-9]+}}, #23, #25
; CHECK: ubfx {{w[0-9]+}}, {{w[0-9]+}}, #23, #3
%fields = load i32* %addr
%shifted = lshr i32 %fields, 23
@ -195,8 +192,7 @@ define i32 @test_ubfx32(i32* %addr) {
define i64 @test_ubfx64(i64* %addr) {
; CHECK-LABEL: test_ubfx64:
; CHECK-AARCH64: ubfx {{x[0-9]+}}, {{x[0-9]+}}, #25, #10
; CHECK-ARM64: ubfm {{x[0-9]+}}, {{x[0-9]+}}, #25, #34
; CHECK: ubfx {{x[0-9]+}}, {{x[0-9]+}}, #25, #10
%fields = load i64* %addr
%shifted = lshr i64 %fields, 25
%masked = and i64 %shifted, 1023
@ -205,8 +201,7 @@ define i64 @test_ubfx64(i64* %addr) {
define i32 @test_sbfx32(i32* %addr) {
; CHECK-LABEL: test_sbfx32:
; CHECK-AARCH64: sbfx {{w[0-9]+}}, {{w[0-9]+}}, #6, #3
; CHECK-ARM64: sbfm {{w[0-9]+}}, {{w[0-9]+}}, #6, #8
; CHECK: sbfx {{w[0-9]+}}, {{w[0-9]+}}, #6, #3
%fields = load i32* %addr
%shifted = shl i32 %fields, 23
@ -216,8 +211,7 @@ define i32 @test_sbfx32(i32* %addr) {
define i64 @test_sbfx64(i64* %addr) {
; CHECK-LABEL: test_sbfx64:
; CHECK-AARCH64: sbfx {{x[0-9]+}}, {{x[0-9]+}}, #0, #63
; CHECK-ARM64: sbfm {{x[0-9]+}}, {{x[0-9]+}}, #0, #62
; CHECK: sbfx {{x[0-9]+}}, {{x[0-9]+}}, #0, #63
%fields = load i64* %addr
%shifted = shl i64 %fields, 1

4
test/CodeGen/AArch64/bool-loads.ll
View File

@ -9,7 +9,7 @@ define i32 @test_sextloadi32() {
%val = load i1* @var
%ret = sext i1 %val to i32
; CHECK: ldrb {{w[0-9]+}}, [{{x[0-9]+}}, {{#?}}:lo12:var]
; CHECK: {{sbfx x[0-9]+, x[0-9]+, #0, #1|sbfm w[0-9]+, w[0-9]+, #0, #0}}
; CHECK: {{sbfx x[0-9]+, x[0-9]+, #0, #1|sbfx w[0-9]+, w[0-9]+, #0, #1}}
ret i32 %ret
; CHECK: ret
@ -21,7 +21,7 @@ define i64 @test_sextloadi64() {
%val = load i1* @var
%ret = sext i1 %val to i64
; CHECK: ldrb {{w[0-9]+}}, [{{x[0-9]+}}, {{#?}}:lo12:var]
; CHECK: {{sbfx x[0-9]+, x[0-9]+, #0, #1|sbfm x[0-9]+, x[0-9]+, #0, #0}}
; CHECK: {{sbfx x[0-9]+, x[0-9]+, #0, #1}}
ret i64 %ret
; CHECK: ret

2
test/CodeGen/ARM64/aapcs.ll
View File

@ -67,7 +67,7 @@ define void @test_extension(i1 %bool, i8 %char, i16 %short, i32 %int) {
%ext_int = zext i32 %int to i64
store volatile i64 %ext_int, i64* @var64
; CHECK: uxtw [[EXT:x[0-9]+]], w3
; CHECK: ubfx [[EXT:x[0-9]+]], x3, #0, #32
; CHECK: str [[EXT]], [{{x[0-9]+}}, :lo12:var64]
ret void

28
test/CodeGen/ARM64/bitfield-extract.ll
View File

@ -7,7 +7,7 @@
define void @foo(%struct.X* nocapture %x, %struct.Y* nocapture %y) nounwind optsize ssp {
; CHECK-LABEL: foo:
; CHECK: ubfm
; CHECK: ubfx
; CHECK-NOT: and
; CHECK: ret
@ -23,7 +23,7 @@ define void @foo(%struct.X* nocapture %x, %struct.Y* nocapture %y) nounwind opts
define i32 @baz(i64 %cav1.coerce) nounwind {
; CHECK-LABEL: baz:
; CHECK: sbfm w0, w0, #0, #3
; CHECK: sbfx w0, w0, #0, #4
%tmp = trunc i64 %cav1.coerce to i32
%tmp1 = shl i32 %tmp, 28
%bf.val.sext = ashr exact i32 %tmp1, 28
@ -32,7 +32,7 @@ define i32 @baz(i64 %cav1.coerce) nounwind {
define i32 @bar(i64 %cav1.coerce) nounwind {
; CHECK-LABEL: bar:
; CHECK: sbfm w0, w0, #4, #9
; CHECK: sbfx w0, w0, #4, #6
%tmp = trunc i64 %cav1.coerce to i32
%cav1.sroa.0.1.insert = shl i32 %tmp, 22
%tmp1 = ashr i32 %cav1.sroa.0.1.insert, 26
@ -41,7 +41,7 @@ define i32 @bar(i64 %cav1.coerce) nounwind {
define void @fct1(%struct.Z* nocapture %x, %struct.A* nocapture %y) nounwind optsize ssp {
; CHECK-LABEL: fct1:
; CHECK: ubfm
; CHECK: ubfx
; CHECK-NOT: and
; CHECK: ret
@ -56,7 +56,7 @@ define void @fct1(%struct.Z* nocapture %x, %struct.A* nocapture %y) nounwind opt
define i64 @fct2(i64 %cav1.coerce) nounwind {
; CHECK-LABEL: fct2:
; CHECK: sbfm x0, x0, #0, #35
; CHECK: sbfx x0, x0, #0, #36
%tmp = shl i64 %cav1.coerce, 28
%bf.val.sext = ashr exact i64 %tmp, 28
ret i64 %bf.val.sext
@ -64,7 +64,7 @@ define i64 @fct2(i64 %cav1.coerce) nounwind {
define i64 @fct3(i64 %cav1.coerce) nounwind {
; CHECK-LABEL: fct3:
; CHECK: sbfm x0, x0, #4, #41
; CHECK: sbfx x0, x0, #4, #38
%cav1.sroa.0.1.insert = shl i64 %cav1.coerce, 22
%tmp1 = ashr i64 %cav1.sroa.0.1.insert, 26
ret i64 %tmp1
@ -230,7 +230,7 @@ entry:
define zeroext i1 @fct12bis(i32 %tmp2) unnamed_addr nounwind ssp align 2 {
; CHECK-LABEL: fct12bis:
; CHECK-NOT: and
; CHECK: ubfm w0, w0, #11, #11
; CHECK: ubfx w0, w0, #11, #1
%and.i.i = and i32 %tmp2, 2048
%tobool.i.i = icmp ne i32 %and.i.i, 0
ret i1 %tobool.i.i
@ -244,7 +244,7 @@ entry:
; CHECK: ldr [[REG1:w[0-9]+]],
; CHECK-NEXT: bfm [[REG1]], w1, #16, #18
; lsr is an alias of ubfm
; CHECK-NEXT: ubfm [[REG2:w[0-9]+]], [[REG1]], #2, #29
; CHECK-NEXT: ubfx [[REG2:w[0-9]+]], [[REG1]], #2, #28
; CHECK-NEXT: str [[REG2]],
; CHECK-NEXT: ret
%0 = load i32* %y, align 8
@ -267,7 +267,7 @@ entry:
; CHECK: ldr [[REG1:x[0-9]+]],
; CHECK-NEXT: bfm [[REG1]], x1, #16, #18
; lsr is an alias of ubfm
; CHECK-NEXT: ubfm [[REG2:x[0-9]+]], [[REG1]], #2, #61
; CHECK-NEXT: ubfx [[REG2:x[0-9]+]], [[REG1]], #2, #60
; CHECK-NEXT: str [[REG2]],
; CHECK-NEXT: ret
%0 = load i64* %y, align 8
@ -354,7 +354,7 @@ entry:
; CHECK: and [[REG2:w[0-9]+]], [[REG1]], [[REGCST]]
; CHECK-NEXT: bfm [[REG2]], w1, #16, #18
; lsr is an alias of ubfm
; CHECK-NEXT: ubfm [[REG3:w[0-9]+]], [[REG2]], #2, #29
; CHECK-NEXT: ubfx [[REG3:w[0-9]+]], [[REG2]], #2, #28
; CHECK-NEXT: str [[REG3]],
; CHECK-NEXT: ret
%0 = load i32* %y, align 8
@ -383,7 +383,7 @@ entry:
; CHECK: and [[REG2:x[0-9]+]], [[REG1]], x[[REGCST]]
; CHECK-NEXT: bfm [[REG2]], x1, #16, #18
; lsr is an alias of ubfm
; CHECK-NEXT: ubfm [[REG3:x[0-9]+]], [[REG2]], #2, #61
; CHECK-NEXT: ubfx [[REG3:x[0-9]+]], [[REG2]], #2, #60
; CHECK-NEXT: str [[REG3]],
; CHECK-NEXT: ret
%0 = load i64* %y, align 8
@ -399,7 +399,7 @@ entry:
define i64 @fct18(i32 %xor72) nounwind ssp {
; CHECK-LABEL: fct18:
; CHECK: ubfm x0, x0, #9, #16
; CHECK: ubfx x0, x0, #9, #8
%shr81 = lshr i32 %xor72, 9
%conv82 = zext i32 %shr81 to i64
%result = and i64 %conv82, 255
@ -429,7 +429,7 @@ if.then: ; preds = %entry
; OPT-LABEL: if.end
if.end: ; preds = %entry
; OPT: lshr
; CHECK: ubfm [[REG1:x[0-9]+]], [[REG2:x[0-9]+]], #32, #47
; CHECK: ubfx [[REG1:x[0-9]+]], [[REG2:x[0-9]+]], #32, #16
%x.sroa.3.0.extract.trunc = trunc i64 %x.sroa.3.0.extract.shift to i16
%tobool6 = icmp eq i16 %x.sroa.3.0.extract.trunc, 0
; CHECK: cbz
@ -453,7 +453,7 @@ if.then7: ; preds = %if.end
if.end13: ; preds = %if.end
; OPT: lshr
; OPT: trunc
; CHECK: ubfm [[REG3:x[0-9]+]], [[REG4:x[0-9]+]], #16, #31
; CHECK: ubfx [[REG3:x[0-9]+]], [[REG4:x[0-9]+]], #16, #16
%tobool16 = icmp eq i16 %x.sroa.1.0.extract.trunc, 0
; CHECK: cbz
br i1 %tobool16, label %return, label %if.then17

10
test/CodeGen/ARM64/fast-isel-conversion.ll
View File

@ -57,7 +57,7 @@ entry:
; CHECK: uxth w0, w0
; CHECK: str w0, [sp, #8]
; CHECK: ldr w0, [sp, #8]
; CHECK: uxtw x3, w0
; CHECK: ubfx x3, w0, #0, #32
; CHECK: str x3, [sp]
; CHECK: ldr x0, [sp], #16
; CHECK: ret
@ -151,7 +151,7 @@ entry:
define i32 @sext_i1_i32(i1 signext %a) nounwind ssp {
entry:
; CHECK: sext_i1_i32
; CHECK: sbfm w0, w0, #0, #0
; CHECK: sbfx w0, w0, #0, #1
%conv = sext i1 %a to i32
ret i32 %conv
}
@ -160,7 +160,7 @@ entry:
define signext i16 @sext_i1_i16(i1 %a) nounwind ssp {
entry:
; CHECK: sext_i1_i16
; CHECK: sbfm w0, w0, #0, #0
; CHECK: sbfx w0, w0, #0, #1
%conv = sext i1 %a to i16
ret i16 %conv
}
@ -169,7 +169,7 @@ entry:
define signext i8 @sext_i1_i8(i1 %a) nounwind ssp {
entry:
; CHECK: sext_i1_i8
; CHECK: sbfm w0, w0, #0, #0
; CHECK: sbfx w0, w0, #0, #1
%conv = sext i1 %a to i8
ret i8 %conv
}
@ -232,7 +232,7 @@ entry:
define float @sitofp_sw_i1(i1 %a) nounwind ssp {
entry:
; CHECK: sitofp_sw_i1
; CHECK: sbfm w0, w0, #0, #0
; CHECK: sbfx w0, w0, #0, #1
; CHECK: scvtf s0, w0
%conv = sitofp i1 %a to float
ret float %conv

12
test/CodeGen/ARM64/fold-lsl.ll
View File

@ -8,7 +8,7 @@
define i16 @load_halfword(%struct.a* %ctx, i32 %xor72) nounwind {
; CHECK-LABEL: load_halfword:
; CHECK: ubfm [[REG:x[0-9]+]], x1, #9, #16
; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
; CHECK: ldrh w0, [x0, [[REG]], lsl #1]
%shr81 = lshr i32 %xor72, 9
%conv82 = zext i32 %shr81 to i64
@ -20,7 +20,7 @@ define i16 @load_halfword(%struct.a* %ctx, i32 %xor72) nounwind {
define i32 @load_word(%struct.b* %ctx, i32 %xor72) nounwind {
; CHECK-LABEL: load_word:
; CHECK: ubfm [[REG:x[0-9]+]], x1, #9, #16
; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
; CHECK: ldr w0, [x0, [[REG]], lsl #2]
%shr81 = lshr i32 %xor72, 9
%conv82 = zext i32 %shr81 to i64
@ -32,7 +32,7 @@ define i32 @load_word(%struct.b* %ctx, i32 %xor72) nounwind {
define i64 @load_doubleword(%struct.c* %ctx, i32 %xor72) nounwind {
; CHECK-LABEL: load_doubleword:
; CHECK: ubfm [[REG:x[0-9]+]], x1, #9, #16
; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
; CHECK: ldr x0, [x0, [[REG]], lsl #3]
%shr81 = lshr i32 %xor72, 9
%conv82 = zext i32 %shr81 to i64
@ -44,7 +44,7 @@ define i64 @load_doubleword(%struct.c* %ctx, i32 %xor72) nounwind {
define void @store_halfword(%struct.a* %ctx, i32 %xor72, i16 %val) nounwind {
; CHECK-LABEL: store_halfword:
; CHECK: ubfm [[REG:x[0-9]+]], x1, #9, #16
; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
; CHECK: strh w2, [x0, [[REG]], lsl #1]
%shr81 = lshr i32 %xor72, 9
%conv82 = zext i32 %shr81 to i64
@ -56,7 +56,7 @@ define void @store_halfword(%struct.a* %ctx, i32 %xor72, i16 %val) nounwind {
define void @store_word(%struct.b* %ctx, i32 %xor72, i32 %val) nounwind {
; CHECK-LABEL: store_word:
; CHECK: ubfm [[REG:x[0-9]+]], x1, #9, #16
; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
; CHECK: str w2, [x0, [[REG]], lsl #2]
%shr81 = lshr i32 %xor72, 9
%conv82 = zext i32 %shr81 to i64
@ -68,7 +68,7 @@ define void @store_word(%struct.b* %ctx, i32 %xor72, i32 %val) nounwind {
define void @store_doubleword(%struct.c* %ctx, i32 %xor72, i64 %val) nounwind {
; CHECK-LABEL: store_doubleword:
; CHECK: ubfm [[REG:x[0-9]+]], x1, #9, #16
; CHECK: ubfx [[REG:x[0-9]+]], x1, #9, #8
; CHECK: str x2, [x0, [[REG]], lsl #3]
%shr81 = lshr i32 %xor72, 9
%conv82 = zext i32 %shr81 to i64

32
test/CodeGen/ARM64/shifted-sext.ll
View File

@ -6,7 +6,7 @@ define signext i16 @extendedLeftShiftcharToshortBy4(i8 signext %a) nounwind read
entry:
; CHECK-LABEL: extendedLeftShiftcharToshortBy4:
; CHECK: add [[REG:w[0-9]+]], w0, #1
; CHECK: sbfm w0, [[REG]], #28, #7
; CHECK: sbfiz w0, [[REG]], #4, #8
%inc = add i8 %a, 1
%conv1 = sext i8 %inc to i32
%shl = shl nsw i32 %conv1, 4
@ -18,7 +18,7 @@ define signext i16 @extendedRightShiftcharToshortBy4(i8 signext %a) nounwind rea
entry:
; CHECK-LABEL: extendedRightShiftcharToshortBy4:
; CHECK: add [[REG:w[0-9]+]], w0, #1
; CHECK: sbfm w0, [[REG]], #4, #7
; CHECK: sbfx w0, [[REG]], #4, #4
%inc = add i8 %a, 1
%conv1 = sext i8 %inc to i32
%shr4 = lshr i32 %conv1, 4
@ -30,7 +30,7 @@ define signext i16 @extendedLeftShiftcharToshortBy8(i8 signext %a) nounwind read
entry:
; CHECK-LABEL: extendedLeftShiftcharToshortBy8:
; CHECK: add [[REG:w[0-9]+]], w0, #1
; CHECK: sbfm w0, [[REG]], #24, #7
; CHECK: sbfiz w0, [[REG]], #8, #8
%inc = add i8 %a, 1
%conv1 = sext i8 %inc to i32
%shl = shl nsw i32 %conv1, 8
@ -55,7 +55,7 @@ define i32 @extendedLeftShiftcharTointBy4(i8 signext %a) nounwind readnone ssp {
entry:
; CHECK-LABEL: extendedLeftShiftcharTointBy4:
; CHECK: add [[REG:w[0-9]+]], w0, #1
; CHECK: sbfm w0, [[REG]], #28, #7
; CHECK: sbfiz w0, [[REG]], #4, #8
%inc = add i8 %a, 1
%conv = sext i8 %inc to i32
%shl = shl nsw i32 %conv, 4
@ -66,7 +66,7 @@ define i32 @extendedRightShiftcharTointBy4(i8 signext %a) nounwind readnone ssp
entry:
; CHECK-LABEL: extendedRightShiftcharTointBy4:
; CHECK: add [[REG:w[0-9]+]], w0, #1
; CHECK: sbfm w0, [[REG]], #4, #7
; CHECK: sbfx w0, [[REG]], #4, #4
%inc = add i8 %a, 1
%conv = sext i8 %inc to i32
%shr = ashr i32 %conv, 4
@ -77,7 +77,7 @@ define i32 @extendedLeftShiftcharTointBy8(i8 signext %a) nounwind readnone ssp {
entry:
; CHECK-LABEL: extendedLeftShiftcharTointBy8:
; CHECK: add [[REG:w[0-9]+]], w0, #1
; CHECK: sbfm w0, [[REG]], #24, #7
; CHECK: sbfiz w0, [[REG]], #8, #8
%inc = add i8 %a, 1
%conv = sext i8 %inc to i32
%shl = shl nsw i32 %conv, 8
@ -100,7 +100,7 @@ define i64 @extendedLeftShiftcharToint64By4(i8 signext %a) nounwind readnone ssp
entry:
; CHECK-LABEL: extendedLeftShiftcharToint64By4:
; CHECK: add w[[REG:[0-9]+]], w0, #1
; CHECK: sbfm x0, x[[REG]], #60, #7
; CHECK: sbfiz x0, x[[REG]], #4, #8
%inc = add i8 %a, 1
%conv = sext i8 %inc to i64
%shl = shl nsw i64 %conv, 4
@ -111,7 +111,7 @@ define i64 @extendedRightShiftcharToint64By4(i8 signext %a) nounwind readnone ss
entry:
; CHECK-LABEL: extendedRightShiftcharToint64By4:
; CHECK: add w[[REG:[0-9]+]], w0, #1
; CHECK: sbfm x0, x[[REG]], #4, #7
; CHECK: sbfx x0, x[[REG]], #4, #4
%inc = add i8 %a, 1
%conv = sext i8 %inc to i64
%shr = ashr i64 %conv, 4
@ -122,7 +122,7 @@ define i64 @extendedLeftShiftcharToint64By8(i8 signext %a) nounwind readnone ssp
entry:
; CHECK-LABEL: extendedLeftShiftcharToint64By8:
; CHECK: add w[[REG:[0-9]+]], w0, #1
; CHECK: sbfm x0, x[[REG]], #56, #7
; CHECK: sbfiz x0, x[[REG]], #8, #8
%inc = add i8 %a, 1
%conv = sext i8 %inc to i64
%shl = shl nsw i64 %conv, 8
@ -145,7 +145,7 @@ define i32 @extendedLeftShiftshortTointBy4(i16 signext %a) nounwind readnone ssp
entry:
; CHECK-LABEL: extendedLeftShiftshortTointBy4:
; CHECK: add [[REG:w[0-9]+]], w0, #1
; CHECK: sbfm w0, [[REG]], #28, #15
; CHECK: sbfiz w0, [[REG]], #4, #16
%inc = add i16 %a, 1
%conv = sext i16 %inc to i32
%shl = shl nsw i32 %conv, 4
@ -156,7 +156,7 @@ define i32 @extendedRightShiftshortTointBy4(i16 signext %a) nounwind readnone ss
entry:
; CHECK-LABEL: extendedRightShiftshortTointBy4:
; CHECK: add [[REG:w[0-9]+]], w0, #1
; CHECK: sbfm w0, [[REG]], #4, #15
; CHECK: sbfx w0, [[REG]], #4, #12
%inc = add i16 %a, 1
%conv = sext i16 %inc to i32
%shr = ashr i32 %conv, 4
@ -190,7 +190,7 @@ define i64 @extendedLeftShiftshortToint64By4(i16 signext %a) nounwind readnone s
entry:
; CHECK-LABEL: extendedLeftShiftshortToint64By4:
; CHECK: add w[[REG:[0-9]+]], w0, #1
; CHECK: sbfm x0, x[[REG]], #60, #15
; CHECK: sbfiz x0, x[[REG]], #4, #16
%inc = add i16 %a, 1
%conv = sext i16 %inc to i64
%shl = shl nsw i64 %conv, 4
@ -201,7 +201,7 @@ define i64 @extendedRightShiftshortToint64By4(i16 signext %a) nounwind readnone
entry:
; CHECK-LABEL: extendedRightShiftshortToint64By4:
; CHECK: add w[[REG:[0-9]+]], w0, #1
; CHECK: sbfm x0, x[[REG]], #4, #15
; CHECK: sbfx x0, x[[REG]], #4, #12
%inc = add i16 %a, 1
%conv = sext i16 %inc to i64
%shr = ashr i64 %conv, 4
@ -212,7 +212,7 @@ define i64 @extendedLeftShiftshortToint64By16(i16 signext %a) nounwind readnone
entry:
; CHECK-LABEL: extendedLeftShiftshortToint64By16:
; CHECK: add w[[REG:[0-9]+]], w0, #1
; CHECK: sbfm x0, x[[REG]], #48, #15
; CHECK: sbfiz x0, x[[REG]], #16, #16
%inc = add i16 %a, 1
%conv = sext i16 %inc to i64
%shl = shl nsw i64 %conv, 16
@ -235,7 +235,7 @@ define i64 @extendedLeftShiftintToint64By4(i32 %a) nounwind readnone ssp {
entry:
; CHECK-LABEL: extendedLeftShiftintToint64By4:
; CHECK: add w[[REG:[0-9]+]], w0, #1
; CHECK: sbfm x0, x[[REG]], #60, #31
; CHECK: sbfiz x0, x[[REG]], #4, #32
%inc = add nsw i32 %a, 1
%conv = sext i32 %inc to i64
%shl = shl nsw i64 %conv, 4
@ -246,7 +246,7 @@ define i64 @extendedRightShiftintToint64By4(i32 %a) nounwind readnone ssp {
entry:
; CHECK-LABEL: extendedRightShiftintToint64By4:
; CHECK: add w[[REG:[0-9]+]], w0, #1
; CHECK: sbfm x0, x[[REG]], #4, #31
; CHECK: sbfx x0, x[[REG]], #4, #28
%inc = add nsw i32 %a, 1
%conv = sext i32 %inc to i64
%shr = ashr i64 %conv, 4

34
test/MC/ARM64/aliases.s
View File

@ -186,20 +186,20 @@ foo:
ubfx w0, w0, #2, #3
ubfx x0, x0, #2, #3
; CHECK: bfm w0, w0, #31, #3
; CHECK: bfm x0, x0, #63, #3
; CHECK: bfm w0, w0, #0, #1
; CHECK: bfm x0, x0, #0, #1
; CHECK: bfm w0, w0, #2, #4
; CHECK: bfm x0, x0, #2, #4
; CHECK: sbfm w0, w0, #31, #3
; CHECK: sbfm x0, x0, #63, #3
; CHECK: sbfm w0, w0, #2, #4
; CHECK: sbfm x0, x0, #2, #4
; CHECK: ubfm w0, w0, #31, #3
; CHECK: ubfm x0, x0, #63, #3
; CHECK: ubfm w0, w0, #2, #4
; CHECK: ubfm x0, x0, #2, #4
; CHECK: bfm w0, w0, #31, #3
; CHECK: bfm x0, x0, #63, #3
; CHECK: bfm w0, w0, #0, #1
; CHECK: bfm x0, x0, #0, #1
; CHECK: bfm w0, w0, #2, #4
; CHECK: bfm x0, x0, #2, #4
; CHECK: sbfiz w0, w0, #1, #4
; CHECK: sbfiz x0, x0, #1, #4
; CHECK: sbfx w0, w0, #2, #3
; CHECK: sbfx x0, x0, #2, #3
; CHECK: ubfiz w0, w0, #1, #4
; CHECK: ubfiz x0, x0, #1, #4
; CHECK: ubfx w0, w0, #2, #3
; CHECK: ubfx x0, x0, #2, #3
;-----------------------------------------------------------------------------
; Shift (immediate) aliases
@ -249,9 +249,9 @@ foo:
; CHECK: sxtb x1, w2
; CHECK: sxth x1, w2
; CHECK: sxtw x1, w2
; CHECK: uxtb x1, w2
; CHECK: uxth x1, w2
; CHECK: uxtw x1, w2
; CHECK: ubfx x1, x2, #0, #8
; CHECK: ubfx x1, x2, #0, #16
; CHECK: ubfx x1, x2, #0, #32
;-----------------------------------------------------------------------------
; Negate with carry

14
test/MC/ARM64/bitfield-encoding.s
View File

@ -18,14 +18,14 @@ foo:
; CHECK: bfm w1, w2, #1, #15 ; encoding: [0x41,0x3c,0x01,0x33]
; CHECK: bfm x1, x2, #1, #15 ; encoding: [0x41,0x3c,0x41,0xb3]
; CHECK: sbfm w1, w2, #1, #15 ; encoding: [0x41,0x3c,0x01,0x13]
; CHECK: sbfm x1, x2, #1, #15 ; encoding: [0x41,0x3c,0x41,0x93]
; CHECK: ubfm w1, w2, #1, #15 ; encoding: [0x41,0x3c,0x01,0x53]
; CHECK: ubfm x1, x2, #1, #15 ; encoding: [0x41,0x3c,0x41,0xd3]
; CHECK: sbfm wzr, w0, #1, #0 ; encoding: [0x1f,0x00,0x01,0x13]
; CHECK: sbfm xzr, x0, #33, #0 ; encoding: [0x1f,0x00,0x61,0x93]
; CHECK: sbfx w1, w2, #1, #15 ; encoding: [0x41,0x3c,0x01,0x13]
; CHECK: sbfx x1, x2, #1, #15 ; encoding: [0x41,0x3c,0x41,0x93]
; CHECK: ubfx w1, w2, #1, #15 ; encoding: [0x41,0x3c,0x01,0x53]
; CHECK: ubfx x1, x2, #1, #15 ; encoding: [0x41,0x3c,0x41,0xd3]
; CHECK: sbfiz wzr, w0, #31, #1 ; encoding: [0x1f,0x00,0x01,0x13]
; CHECK: sbfiz xzr, x0, #31, #1 ; encoding: [0x1f,0x00,0x61,0x93]
; CHECK: lsl wzr, w0, #31 ; encoding: [0x1f,0x00,0x01,0x53]
; CHECK: ubfm xzr, x0, #33, #0 ; encoding: [0x1f,0x00,0x61,0xd3]
; CHECK: ubfiz xzr, x0, #31, #1 ; encoding: [0x1f,0x00,0x61,0xd3]
;==---------------------------------------------------------------------------==
; 5.4.5 Extract (immediate)

8
test/MC/Disassembler/ARM64/bitfield.txt
View File

@ -13,10 +13,10 @@
# CHECK: bfm w1, w2, #1, #15
# CHECK: bfm x1, x2, #1, #15
# CHECK: sbfm w1, w2, #1, #15
# CHECK: sbfm x1, x2, #1, #15
# CHECK: ubfm w1, w2, #1, #15
# CHECK: ubfm x1, x2, #1, #15
# CHECK: sbfx w1, w2, #1, #15
# CHECK: sbfx x1, x2, #1, #15
# CHECK: ubfx w1, w2, #1, #15
# CHECK: ubfx x1, x2, #1, #15
#==---------------------------------------------------------------------------==
# 5.4.5 Extract (immediate)