diff options
Diffstat (limited to 'gcc/config/mips/mips.c')
| -rw-r--r-- | gcc/config/mips/mips.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index 222c768b9b9..bd1d10b0e4e 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -1029,6 +1029,19 @@ static const struct mips_rtx_cost_data 1, /* branch_cost */ 4 /* memory_latency */ }, + { /* R5900 */ + COSTS_N_INSNS (4), /* fp_add */ + COSTS_N_INSNS (4), /* fp_mult_sf */ + COSTS_N_INSNS (256), /* fp_mult_df */ + COSTS_N_INSNS (8), /* fp_div_sf */ + COSTS_N_INSNS (256), /* fp_div_df */ + COSTS_N_INSNS (4), /* int_mult_si */ + COSTS_N_INSNS (256), /* int_mult_di */ + COSTS_N_INSNS (37), /* int_div_si */ + COSTS_N_INSNS (256), /* int_div_di */ + 1, /* branch_cost */ + 4 /* memory_latency */ + }, { /* R7000 */ /* The only costs that are changed here are integer multiplication. */ @@ -12450,7 +12463,10 @@ mips_start_ll_sc_sync_block (void) if (!ISA_HAS_LL_SC) { output_asm_insn (".set\tpush", 0); - output_asm_insn (".set\tmips2", 0); + if (TARGET_64BIT) + output_asm_insn (".set\tmips3", 0); + else + output_asm_insn (".set\tmips2", 0); } } @@ -13005,6 +13021,7 @@ mips_issue_rate (void) case PROCESSOR_R4130: case PROCESSOR_R5400: case PROCESSOR_R5500: + case PROCESSOR_R5900: case PROCESSOR_R7000: case PROCESSOR_R9000: case PROCESSOR_OCTEON: @@ -16025,8 +16042,9 @@ mips_reorg_process_insns (void) cfun->machine->all_noreorder_p = false; /* Code compiled with -mfix-vr4120 or -mfix-24k can't be all noreorder - because we rely on the assembler to work around some errata. */ - if (TARGET_FIX_VR4120 || TARGET_FIX_24K) + because we rely on the assembler to work around some errata. + The r5900 too has several bugs. */ + if (TARGET_FIX_VR4120 || TARGET_FIX_24K || TARGET_MIPS5900) cfun->machine->all_noreorder_p = false; /* The same is true for -mfix-vr4130 if we might generate MFLO or |