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| author | Andreas Schwab <schwab@suse.de> | 2004-03-11 14:25:44 +0000 |
|---|---|---|
| committer | Andreas Schwab <schwab@gcc.gnu.org> | 2004-03-11 14:25:44 +0000 |
| commit | 254ea4774bc05a44f3dd1a56f2f8af66783ca7c5 (patch) | |
| tree | ba689ff75b31513162adabcf47e243128c66fba1 | |
| parent | 40131a384c12ca47a142e349af17bc14345015ff (diff) | |
| download | gcc-254ea4774bc05a44f3dd1a56f2f8af66783ca7c5.zip gcc-254ea4774bc05a44f3dd1a56f2f8af66783ca7c5.tar.gz gcc-254ea4774bc05a44f3dd1a56f2f8af66783ca7c5.tar.bz2 | |
ffi.c (ffi_prep_incoming_args_UNIX): Get floating point arguments from fp registers only for the first 8 parameter slots.
* src/ia64/ffi.c (ffi_prep_incoming_args_UNIX): Get floating point
arguments from fp registers only for the first 8 parameter slots.
Don't convert a float parameter when passed in memory.
From-SVN: r79323
| -rw-r--r-- | libffi/ChangeLog | 6 | ||||
| -rw-r--r-- | libffi/src/ia64/ffi.c | 15 |
2 files changed, 13 insertions, 8 deletions
diff --git a/libffi/ChangeLog b/libffi/ChangeLog index 2d3a1e8f..4b966cd 100644 --- a/libffi/ChangeLog +++ b/libffi/ChangeLog @@ -1,3 +1,9 @@ +2004-03-11 Andreas Schwab <schwab@suse.de> + + * src/ia64/ffi.c (ffi_prep_incoming_args_UNIX): Get floating point + arguments from fp registers only for the first 8 parameter slots. + Don't convert a float parameter when passed in memory. + 2004-03-09 Hans-Peter Nilsson <hp@axis.com> * configure: Regenerate for config/accross.m4 correction. diff --git a/libffi/src/ia64/ffi.c b/libffi/src/ia64/ffi.c index c846f6e..1dc27db 100644 --- a/libffi/src/ia64/ffi.c +++ b/libffi/src/ia64/ffi.c @@ -196,7 +196,7 @@ ffi_prep_args(struct ia64_args *stack, extended_cif *ecif, int bytes) *fp_argp++ = *(float *)(* p_argv); } /* Also put it into the integer registers or memory: */ - *(UINT64 *) argp = *(UINT32 *)(* p_argv); + *(UINT64 *) argp = *(UINT32 *)(* p_argv); break; case FFI_TYPE_DOUBLE: @@ -204,7 +204,7 @@ ffi_prep_args(struct ia64_args *stack, extended_cif *ecif, int bytes) if (fp_argp - stack->fp_regs < 8) *fp_argp++ = *(double *)(* p_argv); /* Also put it into the integer registers or memory: */ - *(double *) argp = *(double *)(* p_argv); + *(double *) argp = *(double *)(* p_argv); break; case FFI_TYPE_STRUCT: @@ -547,7 +547,7 @@ ffi_prep_incoming_args_UNIX(struct ia64_args *args, void **rvalue, register unsigned int i; register unsigned int avn; register void **p_argv; - register unsigned long *argp = args -> out_regs; + register long *argp = args -> out_regs; unsigned fp_reg_num = 0; register ffi_type **p_arg; @@ -576,17 +576,15 @@ ffi_prep_incoming_args_UNIX(struct ia64_args *args, void **rvalue, case FFI_TYPE_FLOAT: z = 1; /* Convert argument back to float in place from the saved value */ - if (fp_reg_num < 8) { + if (argp - args->out_regs < 8 && fp_reg_num < 8) { *(float *)argp = args -> fp_regs[fp_reg_num++]; - } else { - *(float *)argp = *(double *)argp; } *p_argv = (void *)argp; break; case FFI_TYPE_DOUBLE: z = 1; - if (fp_reg_num < 8) { + if (argp - args->out_regs < 8 && fp_reg_num < 8) { *p_argv = args -> fp_regs + fp_reg_num++; } else { *p_argv = (void *)argp; @@ -598,7 +596,8 @@ ffi_prep_incoming_args_UNIX(struct ia64_args *args, void **rvalue, size_t sz = (*p_arg)->size; unsigned short element_type; z = ((*p_arg)->size + FFI_SIZEOF_ARG - 1)/FFI_SIZEOF_ARG; - if (is_homogeneous_fp_aggregate(*p_arg, 8, &element_type)) { + if (argp - args->out_regs < 8 + && is_homogeneous_fp_aggregate(*p_arg, 8, &element_type)) { int nelements = sz/float_type_size(element_type); if (nelements + fp_reg_num >= 8) { /* hard case NYI. */ |