SRW - Code Search

src/cmd/compile/internal/ssa/rewrite_test.go

		}
	}
}

func TestMergePPC64ClrlsldiSrw(t *testing.T) {
	tests := []struct {
		clrlsldi int32
		srw      int64
		valid    bool
		rotate   int64
		mask     uint64
	}{
		// ((x>>4)&0xFF)<<4
		{newPPC64ShiftAuxInt(4, 56, 63, 64), 4, true, 0, 0xFF0},
		// ((x>>4)&0xFFFF)<<4

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github.com/golang/go

test/codegen/memcombine.go

	// ppc64le:"MOVW",-"MOVH",-"SRW"
	p.a = uint16(x)
	// amd64:-"MOVW",-"SHRL"
	// arm64:-"MOVH",-"UBFX"
	// ppc64le:-"MOVH",-"SRW"
	p.b = uint16(x >> 16)
}
func store16be(p *struct{ a, b uint16 }, x uint32) {
	// ppc64:"MOVW",-"MOVH",-"SRW"
	// s390x:"MOVW",-"MOVH",-"SRW"
	p.a = uint16(x >> 16)
	// ppc64:-"MOVH",-"SRW"
	// s390x:-"MOVH",-"SRW"
	p.b = uint16(x)
}

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github.com/golang/go

test/codegen/shift.go

	c[1] = c[((v>>7)&0x3F)<<7]
}

func checkShiftMask(a uint32, b uint64, z []uint32, y []uint64) {
	_ = y[128]
	_ = z[128]
	// ppc64x: -"MOVBZ", -"SRW", "RLWNM"
	z[0] = uint32(uint8(a >> 5))
	// ppc64x: -"MOVBZ", -"SRW", "RLWNM"
	z[1] = uint32(uint8((a >> 4) & 0x7e))
	// ppc64x: "RLWNM\t[$]25, R[0-9]+, [$]27, [$]29, R[0-9]+"
	z[2] = uint32(uint8(a>>7)) & 0x1c
	// ppc64x: -"MOVWZ"

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github.com/golang/go

src/cmd/compile/internal/ssa/_gen/S390X.rules

(Lsh8x(64|32|16|8)   x y) && shiftIsBounded(v) => (SLW x y)
(Rsh64Ux(64|32|16|8) x y) && shiftIsBounded(v) => (SRD x y)
(Rsh32Ux(64|32|16|8) x y) && shiftIsBounded(v) => (SRW x y)
(Rsh16Ux(64|32|16|8) x y) && shiftIsBounded(v) => (SRW (MOVHZreg x) y)
(Rsh8Ux(64|32|16|8)  x y) && shiftIsBounded(v) => (SRW (MOVBZreg x) y)
(Rsh64x(64|32|16|8)  x y) && shiftIsBounded(v) => (SRAD x y)
(Rsh32x(64|32|16|8)  x y) && shiftIsBounded(v) => (SRAW x y)

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github.com/golang/go

src/cmd/internal/obj/ppc64/anames.go

	"NOR",
	"NORCC",
	"OR",
	"ORCC",
	"ORN",
	"ORNCC",
	"ORIS",
	"REM",
	"REMU",
	"RFI",
	"RLWMI",
	"RLWMICC",
	"RLWNM",
	"RLWNMCC",
	"CLRLSLWI",
	"SLW",
	"SLWCC",
	"SRW",
	"SRAW",
	"SRAWCC",
	"SRWCC",
	"STBCCC",
	"STHCCC",
	"STSW",
	"STWCCC",
	"SUB",
	"SUBCC",
	"SUBVCC",
	"SUBC",
	"SUBCCC",
	"SUBCV",
	"SUBCVCC",
	"SUBME",
	"SUBMECC",

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github.com/golang/go

src/math/log10_s390x.s

	BYTE    $0x1C
	FMOVD   F0, x-8(SP)
	WORD    $0x5B20F008     //s %r2, 8(%r15)
	RISBGZ	$57, $60, $51, R2, R3
	ANDW    $0xFFFF0000, R2
	RISBGN	$0, $31, $32, R2, R1
	ADDW    $0x4000000, R2
	BLEU    L17
L8:
	SRW     $8, R2, R2
	ORW     $0x45000000, R2
L4:
	FMOVD   log10rodataL19<>+120(SB), F2
	LDGR    R1, F4
	WFMADB  V4, V0, V2, V0
	FMOVD   log10rodataL19<>+112(SB), F4
	FMOVD   log10rodataL19<>+104(SB), F6

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github.com/golang/go

src/cmd/internal/obj/s390x/anames.go

	"MOVDEQ",
	"MOVDGE",
	"MOVDGT",
	"MOVDLE",
	"MOVDLT",
	"MOVDNE",
	"LOCR",
	"LOCGR",
	"FLOGR",
	"POPCNT",
	"AND",
	"ANDW",
	"OR",
	"ORW",
	"XOR",
	"XORW",
	"SLW",
	"SLD",
	"SRW",
	"SRAW",
	"SRD",
	"SRAD",
	"RLL",
	"RLLG",
	"RNSBG",
	"RXSBG",
	"ROSBG",
	"RNSBGT",
	"RXSBGT",
	"ROSBGT",
	"RISBG",
	"RISBGN",
	"RISBGZ",
	"RISBGNZ",
	"RISBHG",
	"RISBLG",

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github.com/golang/go

src/math/atanh_s390x.s

	BR  L1
L5:
	WORD    $0xED005070 //ddb   %f0,.L15-.L10(%r5)
	BYTE    $0x00
	BYTE    $0x1D
	FMOVD   F0, ret+8(FP)
	RET

L9:
	FMOVD   F0, F2
	MOVD    $·atanhtabh2075<>+0(SB), R2
	SRW $31, R1, R1
	FMOVD   104(R5), F4
	MOVW    R1, R1
	SLD $3, R1, R1
	WORD    $0x68012000 //ld    %f0,0(%r1,%r2)
	WFMADB  V2, V4, V0, V4
	VLEG    $0, 96(R5), V16
	FDIV    F4, F2

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github.com/golang/go

src/math/log1p_s390x.s

	VLEG	$0, 0(R1), V18
	MOVD	$·log1pc5<>+0(SB), R1
	VLEG	$0, 0(R1), V16
	MOVD	R2, R5
	LGDR	F4, R3
	WORD	$0xC0190006	//iilf	%r1,425983
	BYTE	$0x7F
	BYTE	$0xFF
	SRAD	$32, R3, R3
	SUBW	R3, R1
	SRW	$16, R1, R1
	BYTE	$0x18	//lr	%r4,%r1
	BYTE	$0x41
	RISBGN	$0, $15, $48, R4, R2
	RISBGN	$16, $31, $32, R4, R5
	MOVW	R0, R6
	MOVW	R3, R7
	CMPBGT	R6, R7, L8
	WFCEDBS	V4, V4, V6

Registered: Wed Jun 12 16:32:35 UTC 2024

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github.com/golang/go

src/cmd/asm/internal/asm/testdata/s390x.s

	XORW	-1(R1), R2            // e3201fffff57

	// shift and rotate instructions
	SRD	$4, R4, R7              // eb740004000c
	SRD	R1, R4, R7              // eb741000000c
	SRW	$4, R4, R7              // eb74000400de
	SRW	R1, R4, R7              // eb74100000de
	SLW	$4, R3, R6              // eb63000400df
	SLW	R2, R3, R6              // eb63200000df
	SLD	$4, R3, R6              // eb630004000d

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- Last Modified: Wed Nov 22 03:55:32 UTC 2023

- 21.6K bytes

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