diff options
Diffstat (limited to 'gcc/config/sparc/sparc.c')
| -rw-r--r-- | gcc/config/sparc/sparc.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index 8441783261a..28275b724d9 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -180,6 +180,7 @@ static void emit_soft_tfmode_cvt (enum rtx_code, rtx *); static void emit_hard_tfmode_operation (enum rtx_code, rtx *); static bool sparc_function_ok_for_sibcall (tree, tree); +static void sparc_init_libfuncs (void); static void sparc_output_mi_thunk (FILE *, tree, HOST_WIDE_INT, HOST_WIDE_INT, tree); static struct machine_function * sparc_init_machine_status (void); @@ -252,6 +253,9 @@ enum processor_type sparc_cpu; #undef TARGET_FUNCTION_OK_FOR_SIBCALL #define TARGET_FUNCTION_OK_FOR_SIBCALL sparc_function_ok_for_sibcall +#undef TARGET_INIT_LIBFUNCS +#define TARGET_INIT_LIBFUNCS sparc_init_libfuncs + #ifdef HAVE_AS_TLS #undef TARGET_HAVE_TLS #define TARGET_HAVE_TLS true @@ -8386,7 +8390,96 @@ sparc_function_ok_for_sibcall (tree decl, tree exp ATTRIBUTE_UNUSED) && ! TARGET_FLAT && (TARGET_ARCH64 || ! current_function_returns_struct)); } + +/* libfunc renaming. */ +#include "config/gofast.h" + +static void +sparc_init_libfuncs (void) +{ + if (TARGET_ARCH32) + { + /* Use the subroutines that Sun's library provides for integer + multiply and divide. The `*' prevents an underscore from + being prepended by the compiler. .umul is a little faster + than .mul. */ + set_optab_libfunc (smul_optab, SImode, "*.umul"); + set_optab_libfunc (sdiv_optab, SImode, "*.div"); + set_optab_libfunc (udiv_optab, SImode, "*.udiv"); + set_optab_libfunc (smod_optab, SImode, "*.rem"); + set_optab_libfunc (umod_optab, SImode, "*.urem"); + + /* TFmode arithmetic. These names are part of the SPARC 32bit ABI. */ + set_optab_libfunc (add_optab, TFmode, "_Q_add"); + set_optab_libfunc (sub_optab, TFmode, "_Q_sub"); + set_optab_libfunc (neg_optab, TFmode, "_Q_neg"); + set_optab_libfunc (smul_optab, TFmode, "_Q_mul"); + set_optab_libfunc (sdiv_optab, TFmode, "_Q_div"); + + /* We can define the TFmode sqrt optab only if TARGET_FPU. This + is because with soft-float, the SFmode and DFmode sqrt + instructions will be absent, and the compiler will notice and + try to use the TFmode sqrt instruction for calls to the + builtin function sqrt, but this fails. */ + if (TARGET_FPU) + set_optab_libfunc (sqrt_optab, TFmode, "_Q_sqrt"); + + eqtf2_libfunc = init_one_libfunc ("_Q_feq"); + netf2_libfunc = init_one_libfunc ("_Q_fne"); + gttf2_libfunc = init_one_libfunc ("_Q_fgt"); + getf2_libfunc = init_one_libfunc ("_Q_fge"); + lttf2_libfunc = init_one_libfunc ("_Q_flt"); + letf2_libfunc = init_one_libfunc ("_Q_fle"); + + trunctfsf2_libfunc = init_one_libfunc ("_Q_qtos"); + trunctfdf2_libfunc = init_one_libfunc ("_Q_qtod"); + extendsftf2_libfunc = init_one_libfunc ("_Q_stoq"); + extenddftf2_libfunc = init_one_libfunc ("_Q_dtoq"); + floatsitf_libfunc = init_one_libfunc ("_Q_itoq"); + fixtfsi_libfunc = init_one_libfunc ("_Q_qtoi"); + fixunstfsi_libfunc = init_one_libfunc ("_Q_qtou"); + + if (SUN_CONVERSION_LIBFUNCS) + { + fixsfdi_libfunc = init_one_libfunc ("__ftoll"); + fixunssfdi_libfunc = init_one_libfunc ("__ftoull"); + fixdfdi_libfunc = init_one_libfunc ("__dtoll"); + fixunsdfdi_libfunc = init_one_libfunc ("__dtoull"); + } + } + if (TARGET_ARCH64) + { + /* In the SPARC 64bit ABI, SImode multiply and divide functions + do not exist in the library. Make sure the compiler does not + emit calls to them by accident. (It should always use the + hardware instructions.) */ + set_optab_libfunc (smul_optab, SImode, 0); + set_optab_libfunc (sdiv_optab, SImode, 0); + set_optab_libfunc (udiv_optab, SImode, 0); + set_optab_libfunc (smod_optab, SImode, 0); + set_optab_libfunc (umod_optab, SImode, 0); + + if (SUN_INTEGER_MULTIPLY_64) + { + set_optab_libfunc (smul_optab, DImode, "__mul64"); + set_optab_libfunc (sdiv_optab, DImode, "__div64"); + set_optab_libfunc (udiv_optab, DImode, "__udiv64"); + set_optab_libfunc (smod_optab, DImode, "__rem64"); + set_optab_libfunc (umod_optab, DImode, "__urem64"); + } + + if (SUN_CONVERSION_LIBFUNCS) + { + fixsfdi_libfunc = init_one_libfunc ("__ftol"); + fixunssfdi_libfunc = init_one_libfunc ("__ftoul"); + fixdfdi_libfunc = init_one_libfunc ("__dtol"); + fixunsdfdi_libfunc = init_one_libfunc ("__dtoul"); + } + } + gofast_maybe_init_libfuncs (); +} + /* ??? Similar to the standard section selection, but force reloc-y-ness if SUNOS4_SHARED_LIBRARIES. Unclear why this helps (as opposed to pretending PIC always on), but that's what the old code did. */ |