diff options
Diffstat (limited to 'test/codegen/shift.go')
| -rw-r--r-- | test/codegen/shift.go | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/codegen/shift.go b/test/codegen/shift.go index 50d60426d0..dd91a1db98 100644 --- a/test/codegen/shift.go +++ b/test/codegen/shift.go @@ -453,6 +453,48 @@ 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, 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, [$]28, R[0-9]+" + b[1] = b[(v>>20)&0xFF] + // ppc64x: "RLWNM", -"SLD" + b[2] = b[((uint64((uint32(v) >> 21)) & 0x3f) << 4)] +} + +func checkShiftMask(a uint32, b uint64, z []uint32, y []uint64) { + _ = y[128] + _ = z[128] + // ppc64x: -"MOVBZ", -"SRW", "RLWNM" + z[0] = uint32(uint8(a >> 5)) + // ppc64x: -"MOVBZ", -"SRW", "RLWNM" + z[1] = uint32(uint8((a >> 4) & 0x7e)) + // ppc64x: "RLWNM\t[$]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) { |