diff options
Diffstat (limited to 'powerpc/Asmexpand.ml')
| -rw-r--r-- | powerpc/Asmexpand.ml | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/powerpc/Asmexpand.ml b/powerpc/Asmexpand.ml index ec5a767f..b8d30ae3 100644 --- a/powerpc/Asmexpand.ml +++ b/powerpc/Asmexpand.ml @@ -313,7 +313,7 @@ let expand_builtin_inline name args res = | "__builtin_mulhwu", [IR a1; IR a2], [IR res] -> emit (Pmulhwu(res, a1, a2)) | "__builtin_clz", [IR a1], [IR res] -> - emit (Pcntlz(res, a1)) + emit (Pcntlzw(res, a1)) | ("__builtin_bswap" | "__builtin_bswap32"), [IR a1], [IR res] -> emit (Pstwu(a1, Cint _m8, GPR1)); emit (Pcfi_adjust _8); @@ -397,11 +397,12 @@ let expand_builtin_inline name args res = (* Calls to variadic functions: condition bit 6 must be set if at least one argument is a float; clear otherwise. - Note that variadic functions cannot have arguments of type Tsingle. *) + For compatibility with other compilers, do the same if the called + function is unprototyped. *) let set_cr6 sg = - if sg.sig_cc.cc_vararg then begin - if List.mem Tfloat sg.sig_args + if sg.sig_cc.cc_vararg || sg.sig_cc.cc_unproto then begin + if List.exists (function Tfloat | Tsingle -> true | _ -> false) sg.sig_args then emit (Pcreqv(CRbit_6, CRbit_6, CRbit_6)) else emit (Pcrxor(CRbit_6, CRbit_6, CRbit_6)) end |