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config.gcc (mips64vr-*-elf*, [...]): Add MIPS_MARCH_CONTROLS_SOFT_FLOAT=1 to $tm_defines.

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* config.gcc (mips64vr-*-elf*, mips64vrel-*-elf*): Add
	MIPS_MARCH_CONTROLS_SOFT_FLOAT=1 to $tm_defines.
	* config/mips/mips.c (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Default to 0.
	(override_options): Base default setting of MASK_SOFT_FLOAT on -march
	if MIPS_MARCH_CONTROLS_SOFT_FLOAT.

From-SVN: r58488
This commit is contained in:
Richard Sandiford 2002-10-24 08:51:00 +00:00 committed by Richard Sandiford
parent 5be5c8d463
commit 60bc2b4b9c
3 changed files with 32 additions and 1 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2002-10-24 Richard Sandiford <rsandifo@redhat.com>
* config.gcc (mips64vr-*-elf*, mips64vrel-*-elf*): Add
MIPS_MARCH_CONTROLS_SOFT_FLOAT=1 to $tm_defines.
* config/mips/mips.c (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Default to 0.
(override_options): Base default setting of MASK_SOFT_FLOAT on -march
if MIPS_MARCH_CONTROLS_SOFT_FLOAT.
2002-10-24 Richard Sandiford <rsandifo@redhat.com>
* optabs.c (expand_binop): Don't reuse the shift target in the

2
gcc/config.gcc
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@ -1859,7 +1859,7 @@ mips64-*-elf* | mips64el-*-elf*)
;;
mips64vr-*-elf* | mips64vrel-*-elf*)
tm_file="mips/vr.h ${tm_file} mips/elf64.h"
tm_defines="MIPS_ABI_DEFAULT=ABI_O64"
tm_defines="MIPS_ABI_DEFAULT=ABI_O64 MIPS_MARCH_CONTROLS_SOFT_FLOAT=1"
tmake_file=mips/t-vr
;;
mips64orion-*-elf* | mips64orionel-*-elf*)

23
gcc/config/mips/mips.c
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@ -626,6 +626,11 @@ const struct mips_cpu_info mips_cpu_info_table[] = {
{ 0, 0, 0 }
};
/* Nonzero if -march should decide the default value of MASK_SOFT_FLOAT. */
#ifndef MIPS_MARCH_CONTROLS_SOFT_FLOAT
#define MIPS_MARCH_CONTROLS_SOFT_FLOAT 0
#endif
/* Initialize the GCC target structure. */
#undef TARGET_ASM_ALIGNED_HI_OP
#define TARGET_ASM_ALIGNED_HI_OP "\t.half\t"
@ -5220,6 +5225,24 @@ override_options ()
target_flags &= ~MASK_LONG64;
}
if (MIPS_MARCH_CONTROLS_SOFT_FLOAT
&& (target_flags_explicit & MASK_SOFT_FLOAT) == 0)
{
/* For some configurations, it is useful to have -march control
the default setting of MASK_SOFT_FLOAT. */
switch ((int) mips_arch)
{
case PROCESSOR_R4100:
case PROCESSOR_R4120:
target_flags |= MASK_SOFT_FLOAT;
break;
default:
target_flags &= ~MASK_SOFT_FLOAT;
break;
}
}
if (mips_abi != ABI_32 && mips_abi != ABI_O64)
flag_pcc_struct_return = 0;