diff options
Diffstat (limited to 'test/codegen/mathbits.go')
| -rw-r--r-- | test/codegen/mathbits.go | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/test/codegen/mathbits.go b/test/codegen/mathbits.go index 1cee39283d..786fad3bd9 100644 --- a/test/codegen/mathbits.go +++ b/test/codegen/mathbits.go @@ -356,28 +356,30 @@ func RotateLeftVariable32(n uint32, m int) uint32 { // ------------------------ // func TrailingZeros(n uint) int { + // 386:"BSFL" // amd64/v1,amd64/v2:"BSFQ","MOVL\t\\$64","CMOVQEQ" // amd64/v3:"TZCNTQ" - // 386:"BSFL" // arm:"CLZ" // arm64:"RBIT","CLZ" // loong64:"CTZV" - // s390x:"FLOGR" // ppc64x/power8:"ANDN","POPCNTD" // ppc64x/power9: "CNTTZD" + // riscv64/rva22u64,riscv64/rva23u64: "CTZ\t" + // s390x:"FLOGR" // wasm:"I64Ctz" return bits.TrailingZeros(n) } func TrailingZeros64(n uint64) int { + // 386:"BSFL","JNE" // amd64/v1,amd64/v2:"BSFQ","MOVL\t\\$64","CMOVQEQ" // amd64/v3:"TZCNTQ" - // 386:"BSFL","JNE" // arm64:"RBIT","CLZ" // loong64:"CTZV" - // s390x:"FLOGR" // ppc64x/power8:"ANDN","POPCNTD" // ppc64x/power9: "CNTTZD" + // riscv64/rva22u64,riscv64/rva23u64: "CTZ\t" + // s390x:"FLOGR" // wasm:"I64Ctz" return bits.TrailingZeros64(n) } @@ -389,40 +391,43 @@ func TrailingZeros64Subtract(n uint64) int { } func TrailingZeros32(n uint32) int { + // 386:"BSFL" // amd64/v1,amd64/v2:"BTSQ\\t\\$32","BSFQ" // amd64/v3:"TZCNTL" - // 386:"BSFL" // arm:"CLZ" // arm64:"RBITW","CLZW" // loong64:"CTZW" - // s390x:"FLOGR","MOVWZ" // ppc64x/power8:"ANDN","POPCNTW" // ppc64x/power9: "CNTTZW" + // riscv64/rva22u64,riscv64/rva23u64: "CTZW" + // s390x:"FLOGR","MOVWZ" // wasm:"I64Ctz" return bits.TrailingZeros32(n) } func TrailingZeros16(n uint16) int { - // amd64:"BSFL","ORL\\t\\$65536" // 386:"BSFL\t" + // amd64:"BSFL","ORL\\t\\$65536" // arm:"ORR\t\\$65536","CLZ",-"MOVHU\tR" // arm64:"ORR\t\\$65536","RBITW","CLZW",-"MOVHU\tR",-"RBIT\t",-"CLZ\t" // loong64:"CTZV" - // s390x:"FLOGR","OR\t\\$65536" // ppc64x/power8:"POPCNTW","ADD\t\\$-1" // ppc64x/power9:"CNTTZD","ORIS\\t\\$1" + // riscv64/rva22u64,riscv64/rva23u64: "ORI\t\\$65536","CTZW" + // s390x:"FLOGR","OR\t\\$65536" // wasm:"I64Ctz" return bits.TrailingZeros16(n) } func TrailingZeros8(n uint8) int { - // amd64:"BSFL","ORL\\t\\$256" // 386:"BSFL" + // amd64:"BSFL","ORL\\t\\$256" // arm:"ORR\t\\$256","CLZ",-"MOVBU\tR" // arm64:"ORR\t\\$256","RBITW","CLZW",-"MOVBU\tR",-"RBIT\t",-"CLZ\t" // loong64:"CTZV" // ppc64x/power8:"POPCNTB","ADD\t\\$-1" // ppc64x/power9:"CNTTZD","OR\t\\$256" + // riscv64/rva22u64,riscv64/rva23u64: "ORI\t\\$256","CTZW" // s390x:"FLOGR","OR\t\\$256" // wasm:"I64Ctz" return bits.TrailingZeros8(n) @@ -469,6 +474,7 @@ func IterateBits16(n uint16) int { // amd64/v1,amd64/v2:"BSFL",-"BTSL" // amd64/v3:"TZCNTL" // arm64:"RBITW","CLZW",-"ORR" + // riscv64/rva22u64,riscv64/rva23u64: "CTZ\t",-"ORR" i += bits.TrailingZeros16(n) n &= n - 1 } @@ -481,6 +487,7 @@ func IterateBits8(n uint8) int { // amd64/v1,amd64/v2:"BSFL",-"BTSL" // amd64/v3:"TZCNTL" // arm64:"RBITW","CLZW",-"ORR" + // riscv64/rva22u64,riscv64/rva23u64: "CTZ\t",-"ORR" i += bits.TrailingZeros8(n) n &= n - 1 } |