diff options
Diffstat (limited to 'test/codegen')
| -rw-r--r-- | test/codegen/arithmetic.go | 4 | ||||
| -rw-r--r-- | test/codegen/bits.go | 5 | ||||
| -rw-r--r-- | test/codegen/mathbits.go | 1 | ||||
| -rw-r--r-- | test/codegen/shift.go | 46 |
4 files changed, 53 insertions, 3 deletions
diff --git a/test/codegen/arithmetic.go b/test/codegen/arithmetic.go index dc3bab7be9..e474a10ba2 100644 --- a/test/codegen/arithmetic.go +++ b/test/codegen/arithmetic.go @@ -320,14 +320,14 @@ func Pow2DivisibleSigned(n1, n2 int) (bool, bool) { // amd64:"TESTQ\t[$]63",-"DIVQ",-"SHRQ" // arm:"AND\t[$]63",-".*udiv",-"SRA" // arm64:"TST\t[$]63",-"UDIV",-"ASR",-"AND" - // ppc64x:"RLDICL",-"SRAD" + // ppc64x:"ANDCC",-"RLDICL",-"SRAD",-"CMP" a := n1%64 == 0 // signed divisible // 386:"TESTL\t[$]63",-"DIVL",-"SHRL" // amd64:"TESTQ\t[$]63",-"DIVQ",-"SHRQ" // arm:"AND\t[$]63",-".*udiv",-"SRA" // arm64:"TST\t[$]63",-"UDIV",-"ASR",-"AND" - // ppc64x:"RLDICL",-"SRAD" + // ppc64x:"ANDCC",-"RLDICL",-"SRAD",-"CMP" b := n2%64 != 0 // signed indivisible return a, b diff --git a/test/codegen/bits.go b/test/codegen/bits.go index 4b6c8b94b8..554e363ef5 100644 --- a/test/codegen/bits.go +++ b/test/codegen/bits.go @@ -394,7 +394,7 @@ func zeroextendAndMask8to64(a int8, b int16) (x, y uint64) { } // Verify rotate and mask instructions, and further simplified instructions for small types -func bitRotateAndMask(io64 [4]uint64, io32 [4]uint32, io16 [4]uint16, io8 [4]uint8) { +func bitRotateAndMask(io64 [8]uint64, io32 [4]uint32, io16 [4]uint16, io8 [4]uint8) { // ppc64x: "RLDICR\t[$]0, R[0-9]*, [$]47, R" io64[0] = io64[0] & 0xFFFFFFFFFFFF0000 // ppc64x: "RLDICL\t[$]0, R[0-9]*, [$]16, R" @@ -404,6 +404,9 @@ func bitRotateAndMask(io64 [4]uint64, io32 [4]uint32, io16 [4]uint16, io8 [4]uin // ppc64x: -"SRD", -"AND", "RLDICL\t[$]36, R[0-9]*, [$]28, R" io64[3] = (io64[3] >> 28) & 0x0000FFFFFFFFFFFF + // ppc64x: "MOVWZ", "RLWNM\t[$]1, R[0-9]*, [$]28, [$]3, R" + io64[4] = uint64(bits.RotateLeft32(io32[0], 1) & 0xF000000F) + // ppc64x: "RLWNM\t[$]0, R[0-9]*, [$]4, [$]19, R" io32[0] = io32[0] & 0x0FFFF000 // ppc64x: "RLWNM\t[$]0, R[0-9]*, [$]20, [$]3, R" diff --git a/test/codegen/mathbits.go b/test/codegen/mathbits.go index 82a139acab..a743eaf3d3 100644 --- a/test/codegen/mathbits.go +++ b/test/codegen/mathbits.go @@ -827,6 +827,7 @@ func Mul(x, y uint) (hi, lo uint) { // ppc64x:"MULHDU","MULLD" // s390x:"MLGR" // mips64: "MULVU" + // riscv64:"MULHU","MUL" return bits.Mul(x, y) } diff --git a/test/codegen/shift.go b/test/codegen/shift.go index 50d60426d0..6a2a6c40cd 100644 --- a/test/codegen/shift.go +++ b/test/codegen/shift.go @@ -453,6 +453,52 @@ func checkMergedShifts32(a [256]uint32, b [256]uint64, u uint32, v uint32) { b[2] = b[v>>25] } +func checkMergedShifts64(a [256]uint32, b [256]uint64, c [256]byte, v uint64) { + // ppc64x: -"CLRLSLDI", "RLWNM\t[$]10, R[0-9]+, [$]22, [$]29, R[0-9]+" + a[0] = a[uint8(v>>24)] + // ppc64x: "SRD", "CLRLSLDI", -"RLWNM" + a[1] = a[uint8(v>>25)] + // ppc64x: -"CLRLSLDI", "RLWNM\t[$]9, R[0-9]+, [$]23, [$]29, R[0-9]+" + a[2] = a[v>>25&0x7F] + // ppc64x: -"CLRLSLDI", "RLWNM\t[$]3, R[0-9]+, [$]29, [$]29, R[0-9]+" + a[3] = a[(v>>31)&0x01] + // ppc64x: "SRD", "CLRLSLDI", -"RLWNM" + a[4] = a[(v>>30)&0x07] + // ppc64x: "SRD", "CLRLSLDI", -"RLWNM" + a[5] = a[(v>>32)&0x01] + // ppc64x: "SRD", "CLRLSLDI", -"RLWNM" + a[6] = a[(v>>34)&0x03] + // ppc64x: -"CLRLSLDI", "RLWNM\t[$]12, R[0-9]+, [$]21, [$]28, R[0-9]+" + b[0] = b[uint8(v>>23)] + // ppc64x: -"CLRLSLDI", "RLWNM\t[$]15, R[0-9]+, [$]21, [$]28, R[0-9]+" + b[1] = b[(v>>20)&0xFF] + // ppc64x: "RLWNM", -"SLD" + b[2] = b[((uint64((uint32(v) >> 21)) & 0x3f) << 4)] + // ppc64x: "RLWNM\t[$]11, R[0-9]+, [$]10, [$]15" + c[0] = c[((v>>5)&0x3F)<<16] + // ppc64x: "RLWNM\t[$]0, R[0-9]+, [$]19, [$]24" + c[1] = c[((v>>7)&0x3F)<<7] +} + +func checkShiftMask(a uint32, b uint64, z []uint32, y []uint64) { + _ = y[128] + _ = z[128] + // ppc64x: -"MOVBZ", -"SRW", "RLWNM" + z[0] = uint32(uint8(a >> 5)) + // ppc64x: -"MOVBZ", -"SRW", "RLWNM" + z[1] = uint32(uint8((a >> 4) & 0x7e)) + // ppc64x: "RLWNM\t[$]25, R[0-9]+, [$]27, [$]29, R[0-9]+" + z[2] = uint32(uint8(a>>7)) & 0x1c + // ppc64x: -"MOVWZ" + y[0] = uint64((a >> 6) & 0x1c) + // ppc64x: -"MOVWZ" + y[1] = uint64(uint32(b)<<6) + 1 + // ppc64x: -"MOVHZ", -"MOVWZ" + y[2] = uint64((uint16(a) >> 9) & 0x1F) + // ppc64x: -"MOVHZ", -"MOVWZ", -"ANDCC" + y[3] = uint64(((uint16(a) & 0xFF0) >> 9) & 0x1F) +} + // 128 bit shifts func check128bitShifts(x, y uint64, bits uint) (uint64, uint64) { |