diff options
Diffstat (limited to 'gcc/config/mips')
| -rw-r--r-- | gcc/config/mips/mips.c | 8 | ||||
| -rw-r--r-- | gcc/config/mips/mips.h | 5 |
2 files changed, 12 insertions, 1 deletions
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index e95bdd8..a3735dc 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -16832,6 +16832,11 @@ mips_option_override (void) /* End of code shared with GAS. */ + /* The R5900 FPU only supports single precision. */ + if (TARGET_MIPS5900 && TARGET_HARD_FLOAT_ABI && TARGET_DOUBLE_FLOAT) + error ("unsupported combination: %s", + "-march=r5900 -mhard-float -mdouble-float"); + /* If a -mlong* option was given, check that it matches the ABI, otherwise infer the -mlong* setting from the other options. */ if ((target_flags_explicit & MASK_LONG64) != 0) @@ -17139,6 +17144,9 @@ mips_option_override (void) filling. Registering the pass must be done at start up. It's convenient to do it here. */ register_pass (&insert_pass_mips_machine_reorg2); + + if (TARGET_HARD_FLOAT_ABI && TARGET_MIPS5900) + REAL_MODE_FORMAT (SFmode) = &spu_single_format; } /* Swap the register information for registers I and I + 1, which diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h index 007f598..2dcccd4 100644 --- a/gcc/config/mips/mips.h +++ b/gcc/config/mips/mips.h @@ -754,6 +754,7 @@ struct mips_cpu_info { {"tune_64", "%{" OPT_ARCH64 ":%{!mtune=*:-mtune=%(VALUE)}}" }, \ {"abi", "%{!mabi=*:-mabi=%(VALUE)}" }, \ {"float", "%{!msoft-float:%{!mhard-float:-m%(VALUE)-float}}" }, \ + {"fpu", "%{!msingle-float:%{!mdouble-float:-m%(VALUE)-float}}" }, \ {"divide", "%{!mdivide-traps:%{!mdivide-breaks:-mdivide-%(VALUE)}}" }, \ {"llsc", "%{!mllsc:%{!mno-llsc:-m%(VALUE)}}" }, \ {"mips-plt", "%{!mplt:%{!mno-plt:-m%(VALUE)}}" }, \ @@ -859,7 +860,9 @@ struct mips_cpu_info { || TARGET_LOONGSON_2EF) /* ISA has LDC1 and SDC1. */ -#define ISA_HAS_LDC1_SDC1 (!ISA_MIPS1 && !TARGET_MIPS16) +#define ISA_HAS_LDC1_SDC1 (!ISA_MIPS1 \ + && !TARGET_MIPS5900 \ + && !TARGET_MIPS16) /* ISA has the mips4 FP condition code instructions: FP-compare to CC, branch on CC, and move (both FP and non-FP) on CC. */ |