diff options
Diffstat (limited to 'erts/emulator/hipe/hipe_bif0.c')
-rw-r--r-- | erts/emulator/hipe/hipe_bif0.c | 51 |
1 files changed, 47 insertions, 4 deletions
diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c index e7fb850530..28e4382835 100644 --- a/erts/emulator/hipe/hipe_bif0.c +++ b/erts/emulator/hipe/hipe_bif0.c @@ -174,8 +174,13 @@ static inline unsigned char *bytearray_lvalue(Eterm bin, Eterm idx) { Sint i; unsigned char *bytes; +#ifndef DEBUG + ERTS_DECLARE_DUMMY(Uint bitoffs); + ERTS_DECLARE_DUMMY(Uint bitsize); +#else Uint bitoffs; Uint bitsize; +#endif if (is_not_binary(bin) || is_not_small(idx) || @@ -235,9 +240,15 @@ BIF_RETTYPE hipe_bifs_bitarray_2(BIF_ALIST_2) BIF_RETTYPE hipe_bifs_bitarray_update_3(BIF_ALIST_3) { unsigned char *bytes, bytemask; - Uint bitoffs, bitsize; Uint bitnr, bytenr; int set; +#ifndef DEBUG + ERTS_DECLARE_DUMMY(Uint bitoffs); + ERTS_DECLARE_DUMMY(Uint bitsize); +#else + Uint bitoffs; + Uint bitsize; +#endif if (is_not_binary(BIF_ARG_1)) BIF_ERROR(BIF_P, BADARG); @@ -267,8 +278,15 @@ BIF_RETTYPE hipe_bifs_bitarray_update_3(BIF_ALIST_3) BIF_RETTYPE hipe_bifs_bitarray_sub_2(BIF_ALIST_2) { unsigned char *bytes, bytemask; - Uint bitoffs, bitsize; Uint bitnr, bytenr; +#ifndef DEBUG + ERTS_DECLARE_DUMMY(Uint bitoffs); + ERTS_DECLARE_DUMMY(Uint bitsize); +#else + Uint bitoffs; + Uint bitsize; +#endif + if (is_not_binary(BIF_ARG_1)) BIF_ERROR(BIF_P, BADARG); @@ -397,10 +415,15 @@ BIF_RETTYPE hipe_bifs_enter_code_2(BIF_ALIST_2) Uint nrbytes; void *bytes; void *address; - Uint bitoffs; - Uint bitsize; Eterm trampolines; Eterm *hp; +#ifndef DEBUG + ERTS_DECLARE_DUMMY(Uint bitoffs); + ERTS_DECLARE_DUMMY(Uint bitsize); +#else + Uint bitoffs; + Uint bitsize; +#endif if (is_not_binary(BIF_ARG_1)) BIF_ERROR(BIF_P, BADARG); @@ -985,6 +1008,26 @@ BIF_RETTYPE hipe_conv_big_to_float(BIF_ALIST_1) BIF_RET(res); } +#ifdef NO_FPE_SIGNALS + +/* + This is the current solution to make hipe run without FPE. + The native code is the same except that a call to this primop + is made after _every_ float operation to check the result. + The native fcheckerror still done later will detect if an + "emulated" FPE has occured. + We use p->hipe.float_result to avoid passing a 'double' argument, + which has its own calling convention (on amd64 at least). + Simple and slow... +*/ +void hipe_emulate_fpe(Process* p) +{ + if (!finite(p->hipe.float_result)) { + p->fp_exception = 1; + } +} +#endif + #if 0 /* XXX: unused */ /* * At least parts of this should be inlined in native code. |