diff options
Diffstat (limited to 'aarch64/Asmexpand.ml')
| -rw-r--r-- | aarch64/Asmexpand.ml | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/aarch64/Asmexpand.ml b/aarch64/Asmexpand.ml index 1a02b019..8187e077 100644 --- a/aarch64/Asmexpand.ml +++ b/aarch64/Asmexpand.ml @@ -337,7 +337,7 @@ let expand_builtin_inline name args res = | "__builtin_bswap16", [BA(DR(IR(RR1 a1)))], BR(DR(IR(RR1 res))) -> emit (Prev16(W, res, a1)); emit (Pandimm(W, res, RR0 res, Z.of_uint 0xFFFF)) - (* Count leading zeros and leading sign bits *) + (* Count leading zeros, leading sign bits, trailing zeros *) | "__builtin_clz", [BA(DR(IR(RR1 a1)))], BR(DR(IR(RR1 res))) -> emit (Pclz(W, res, a1)) | ("__builtin_clzl" | "__builtin_clzll"), [BA(DR(IR(RR1 a1)))], BR(DR(IR(RR1 res))) -> @@ -346,10 +346,16 @@ let expand_builtin_inline name args res = emit (Pcls(W, res, a1)) | ("__builtin_clsl" | "__builtin_clsll"), [BA(DR(IR(RR1 a1)))], BR(DR(IR(RR1 res))) -> emit (Pcls(X, res, a1)) + | "__builtin_ctz", [BA(DR(IR(RR1 a1)))], BR(DR(IR(RR1 res))) -> + emit (Prbit(W, res, a1)); + emit (Pclz(W, res, res)) + | ("__builtin_ctzl" | "__builtin_ctzll"), [BA(DR(IR(RR1 a1)))], BR(DR(IR(RR1 res))) -> + emit (Prbit(X, res, a1)); + emit (Pclz(X, res, res)) (* Float arithmetic *) | "__builtin_fabs", [BA(DR(FR a1))], BR(DR(FR res)) -> emit (Pfabs(D, res, a1)) - | "__builtin_fsqrt", [BA(DR(FR a1))], BR(DR(FR res)) -> + | ("__builtin_fsqrt" | "__builtin_sqrt"), [BA(DR(FR a1))], BR(DR(FR res)) -> emit (Pfsqrt(D, res, a1)) | "__builtin_fmadd", [BA(DR(FR a1)); BA(DR(FR a2)); BA(DR(FR a3))], BR(DR(FR res)) -> emit (Pfmadd(D, res, a1, a2, a3)) @@ -359,6 +365,10 @@ let expand_builtin_inline name args res = emit (Pfnmadd(D, res, a1, a2, a3)) | "__builtin_fnmsub", [BA(DR(FR a1)); BA(DR(FR a2)); BA(DR(FR a3))], BR(DR(FR res)) -> emit (Pfnmsub(D, res, a1, a2, a3)) + | "__builtin_fmax", [BA(DR(FR a1)); BA(DR(FR a2))], BR(DR(FR res)) -> + emit (Pfmax (D, res, a1, a2)) + | "__builtin_fmin", [BA(DR(FR a1)); BA(DR(FR a2))], BR(DR(FR res)) -> + emit (Pfmin (D, res, a1, a2)) (* Vararg *) | "__builtin_va_start", [BA(DR(IR(RR1 a)))], _ -> expand_builtin_va_start a |