diff options
Diffstat (limited to 'test/codegen/bitfield.go')
| -rw-r--r-- | test/codegen/bitfield.go | 144 |
1 files changed, 100 insertions, 44 deletions
diff --git a/test/codegen/bitfield.go b/test/codegen/bitfield.go index 3ed9cfe603..8327da6cf8 100644 --- a/test/codegen/bitfield.go +++ b/test/codegen/bitfield.go @@ -77,11 +77,13 @@ func bfxil2(x, y uint64) uint64 { } // sbfiz +// merge shifts into sbfiz: (x << lc) >> rc && lc > rc. func sbfiz1(x int64) int64 { // arm64:"SBFIZ\t[$]1, R[0-9]+, [$]60",-"LSL",-"ASR" return (x << 4) >> 3 } +// merge shift and sign-extension into sbfiz. func sbfiz2(x int32) int64 { return int64(x << 3) // arm64:"SBFIZ\t[$]3, R[0-9]+, [$]29",-"LSL" } @@ -94,6 +96,8 @@ func sbfiz4(x int8) int64 { return int64(x << 3) // arm64:"SBFIZ\t[$]3, R[0-9]+, [$]5",-"LSL" } +// sbfiz combinations. +// merge shift with sbfiz into sbfiz. func sbfiz5(x int32) int32 { // arm64:"SBFIZ\t[$]1, R[0-9]+, [$]28",-"LSL",-"ASR" return (x << 4) >> 3 @@ -112,6 +116,7 @@ func sbfiz8(x int32) int64 { } // sbfx +// merge shifts into sbfx: (x << lc) >> rc && lc <= rc. func sbfx1(x int64) int64 { return (x << 3) >> 4 // arm64:"SBFX\t[$]1, R[0-9]+, [$]60",-"LSL",-"ASR" } @@ -120,6 +125,7 @@ func sbfx2(x int64) int64 { return (x << 60) >> 60 // arm64:"SBFX\tZR, R[0-9]+, [$]4",-"LSL",-"ASR" } +// merge shift and sign-extension into sbfx. func sbfx3(x int32) int64 { return int64(x) >> 3 // arm64:"SBFX\t[$]3, R[0-9]+, [$]29",-"ASR" } @@ -132,131 +138,181 @@ func sbfx5(x int8) int64 { return int64(x) >> 3 // arm64:"SBFX\t[$]3, R[0-9]+, [$]5",-"ASR" } -func sbfx6(x int32) int32 { +func sbfx6(x int32) int64 { + return int64(x >> 30) // arm64:"SBFX\t[$]30, R[0-9]+, [$]2" +} + +func sbfx7(x int16) int64 { + return int64(x >> 10) // arm64:"SBFX\t[$]10, R[0-9]+, [$]6" +} + +func sbfx8(x int8) int64 { + return int64(x >> 5) // arm64:"SBFX\t[$]5, R[0-9]+, [$]3" +} + +// sbfx combinations. +// merge shifts with sbfiz into sbfx. +func sbfx9(x int32) int32 { return (x << 3) >> 4 // arm64:"SBFX\t[$]1, R[0-9]+, [$]28",-"LSL",-"ASR" } // merge sbfx and sign-extension into sbfx. -func sbfx7(x int32) int64 { +func sbfx10(x int32) int64 { c := x + 5 return int64(c >> 20) // arm64"SBFX\t[$]20, R[0-9]+, [$]12",-"MOVW\tR[0-9]+, R[0-9]+" } // ubfiz +// merge shifts into ubfiz: (x<<lc)>>rc && lc>rc func ubfiz1(x uint64) uint64 { - // arm64:"UBFIZ\t[$]3, R[0-9]+, [$]12",-"LSL",-"AND" - // s390x:"RISBGZ\t[$]49, [$]60, [$]3,",-"SLD",-"AND" - return (x & 0xfff) << 3 -} - -func ubfiz2(x uint64) uint64 { - // arm64:"UBFIZ\t[$]4, R[0-9]+, [$]12",-"LSL",-"AND" - // s390x:"RISBGZ\t[$]48, [$]59, [$]4,",-"SLD",-"AND" - return (x << 4) & 0xfff0 + // arm64:"UBFIZ\t[$]1, R[0-9]+, [$]60",-"LSL",-"LSR" + // s390x:"RISBGZ\t[$]3, [$]62, [$]1, ",-"SLD",-"SRD" + return (x << 4) >> 3 } -func ubfiz3(x uint32) uint64 { +// merge shift and zero-extension into ubfiz. +func ubfiz2(x uint32) uint64 { return uint64(x+1) << 3 // arm64:"UBFIZ\t[$]3, R[0-9]+, [$]32",-"LSL" } -func ubfiz4(x uint16) uint64 { +func ubfiz3(x uint16) uint64 { return uint64(x+1) << 3 // arm64:"UBFIZ\t[$]3, R[0-9]+, [$]16",-"LSL" } -func ubfiz5(x uint8) uint64 { +func ubfiz4(x uint8) uint64 { return uint64(x+1) << 3 // arm64:"UBFIZ\t[$]3, R[0-9]+, [$]8",-"LSL" } -func ubfiz6(x uint64) uint64 { - // arm64:"UBFIZ\t[$]1, R[0-9]+, [$]60",-"LSL",-"LSR" - // s390x:"RISBGZ\t[$]3, [$]62, [$]1, ",-"SLD",-"SRD" - return (x << 4) >> 3 +func ubfiz5(x uint8) uint64 { + return uint64(x) << 60 // arm64:"UBFIZ\t[$]60, R[0-9]+, [$]4",-"LSL" +} + +func ubfiz6(x uint32) uint64 { + return uint64(x << 30) // arm64:"UBFIZ\t[$]30, R[0-9]+, [$]2", +} + +func ubfiz7(x uint16) uint64 { + return uint64(x << 10) // arm64:"UBFIZ\t[$]10, R[0-9]+, [$]6", +} + +func ubfiz8(x uint8) uint64 { + return uint64(x << 7) // arm64:"UBFIZ\t[$]7, R[0-9]+, [$]1", +} + +// merge ANDconst into ubfiz. +func ubfiz9(x uint64) uint64 { + // arm64:"UBFIZ\t[$]3, R[0-9]+, [$]12",-"LSL",-"AND" + // s390x:"RISBGZ\t[$]49, [$]60, [$]3,",-"SLD",-"AND" + return (x & 0xfff) << 3 +} + +func ubfiz10(x uint64) uint64 { + // arm64:"UBFIZ\t[$]4, R[0-9]+, [$]12",-"LSL",-"AND" + // s390x:"RISBGZ\t[$]48, [$]59, [$]4,",-"SLD",-"AND" + return (x << 4) & 0xfff0 } -func ubfiz7(x uint32) uint32 { +// ubfiz combinations +func ubfiz11(x uint32) uint32 { // arm64:"UBFIZ\t[$]1, R[0-9]+, [$]28",-"LSL",-"LSR" return (x << 4) >> 3 } -func ubfiz8(x uint64) uint64 { +func ubfiz12(x uint64) uint64 { // arm64:"UBFIZ\t[$]1, R[0-9]+, [$]20",-"LSL",-"LSR" // s390x:"RISBGZ\t[$]43, [$]62, [$]1, ",-"SLD",-"SRD",-"AND" return ((x & 0xfffff) << 4) >> 3 } -func ubfiz9(x uint64) uint64 { +func ubfiz13(x uint64) uint64 { // arm64:"UBFIZ\t[$]5, R[0-9]+, [$]13",-"LSL",-"LSR",-"AND" return ((x << 3) & 0xffff) << 2 } -func ubfiz10(x uint64) uint64 { +func ubfiz14(x uint64) uint64 { // arm64:"UBFIZ\t[$]7, R[0-9]+, [$]12",-"LSL",-"LSR",-"AND" // s390x:"RISBGZ\t[$]45, [$]56, [$]7, ",-"SLD",-"SRD",-"AND" return ((x << 5) & (0xfff << 5)) << 2 } // ubfx +// merge shifts into ubfx: (x<<lc)>>rc && lc<rc func ubfx1(x uint64) uint64 { - // arm64:"UBFX\t[$]25, R[0-9]+, [$]10",-"LSR",-"AND" - // s390x:"RISBGZ\t[$]54, [$]63, [$]39, ",-"SRD",-"AND" - return (x >> 25) & 1023 -} - -func ubfx2(x uint64) uint64 { - // arm64:"UBFX\t[$]4, R[0-9]+, [$]8",-"LSR",-"AND" - // s390x:"RISBGZ\t[$]56, [$]63, [$]60, ",-"SRD",-"AND" - return (x & 0x0ff0) >> 4 + // arm64:"UBFX\t[$]1, R[0-9]+, [$]62",-"LSL",-"LSR" + // s390x:"RISBGZ\t[$]2, [$]63, [$]63,",-"SLD",-"SRD" + return (x << 1) >> 2 } -func ubfx3(x uint32) uint64 { +// merge shift and zero-extension into ubfx. +func ubfx2(x uint32) uint64 { return uint64(x >> 15) // arm64:"UBFX\t[$]15, R[0-9]+, [$]17",-"LSR" } -func ubfx4(x uint16) uint64 { +func ubfx3(x uint16) uint64 { return uint64(x >> 9) // arm64:"UBFX\t[$]9, R[0-9]+, [$]7",-"LSR" } -func ubfx5(x uint8) uint64 { +func ubfx4(x uint8) uint64 { return uint64(x >> 3) // arm64:"UBFX\t[$]3, R[0-9]+, [$]5",-"LSR" } -func ubfx6(x uint64) uint64 { - // arm64:"UBFX\t[$]1, R[0-9]+, [$]62",-"LSL",-"LSR" - // s390x:"RISBGZ\t[$]2, [$]63, [$]63,",-"SLD",-"SRD" - return (x << 1) >> 2 +func ubfx5(x uint32) uint64 { + return uint64(x) >> 30 // arm64:"UBFX\t[$]30, R[0-9]+, [$]2" +} + +func ubfx6(x uint16) uint64 { + return uint64(x) >> 10 // arm64:"UBFX\t[$]10, R[0-9]+, [$]6" +} + +func ubfx7(x uint8) uint64 { + return uint64(x) >> 3 // arm64:"UBFX\t[$]3, R[0-9]+, [$]5" +} + +// merge ANDconst into ubfx. +func ubfx8(x uint64) uint64 { + // arm64:"UBFX\t[$]25, R[0-9]+, [$]10",-"LSR",-"AND" + // s390x:"RISBGZ\t[$]54, [$]63, [$]39, ",-"SRD",-"AND" + return (x >> 25) & 1023 } -func ubfx7(x uint32) uint32 { +func ubfx9(x uint64) uint64 { + // arm64:"UBFX\t[$]4, R[0-9]+, [$]8",-"LSR",-"AND" + // s390x:"RISBGZ\t[$]56, [$]63, [$]60, ",-"SRD",-"AND" + return (x & 0x0ff0) >> 4 +} + +// ubfx combinations. +func ubfx10(x uint32) uint32 { // arm64:"UBFX\t[$]1, R[0-9]+, [$]30",-"LSL",-"LSR" return (x << 1) >> 2 } -func ubfx8(x uint64) uint64 { +func ubfx11(x uint64) uint64 { // arm64:"UBFX\t[$]1, R[0-9]+, [$]12",-"LSL",-"LSR",-"AND" // s390x:"RISBGZ\t[$]52, [$]63, [$]63,",-"SLD",-"SRD",-"AND" return ((x << 1) >> 2) & 0xfff } -func ubfx9(x uint64) uint64 { +func ubfx12(x uint64) uint64 { // arm64:"UBFX\t[$]4, R[0-9]+, [$]11",-"LSL",-"LSR",-"AND" // s390x:"RISBGZ\t[$]53, [$]63, [$]60, ",-"SLD",-"SRD",-"AND" return ((x >> 3) & 0xfff) >> 1 } -func ubfx10(x uint64) uint64 { +func ubfx13(x uint64) uint64 { // arm64:"UBFX\t[$]5, R[0-9]+, [$]56",-"LSL",-"LSR" // s390x:"RISBGZ\t[$]8, [$]63, [$]59, ",-"SLD",-"SRD" return ((x >> 2) << 5) >> 8 } -func ubfx11(x uint64) uint64 { +func ubfx14(x uint64) uint64 { // arm64:"UBFX\t[$]1, R[0-9]+, [$]19",-"LSL",-"LSR" // s390x:"RISBGZ\t[$]45, [$]63, [$]63, ",-"SLD",-"SRD",-"AND" return ((x & 0xfffff) << 3) >> 4 } // merge ubfx and zero-extension into ubfx. -func ubfx12(x uint64) bool { +func ubfx15(x uint64) bool { midr := x + 10 part_num := uint16((midr >> 4) & 0xfff) if part_num == 0xd0c { // arm64:"UBFX\t[$]4, R[0-9]+, [$]12",-"MOVHU\tR[0-9]+, R[0-9]+" |