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| author | David S. Miller <davem@redhat.com> | 2002-05-03 22:36:40 -0700 |
|---|---|---|
| committer | David S. Miller <davem@gcc.gnu.org> | 2002-05-03 22:36:40 -0700 |
| commit | 2ce04b6bafc8775b51d8bc77b259f9c987b53a72 (patch) | |
| tree | 992960f5f3bec737872394785ac833cb45924f67 /gcc/config/sparc/sparc.c | |
| parent | a1d9bd0c06f3b079ce0061f383403877a84126ed (diff) | |
| download | gcc-2ce04b6bafc8775b51d8bc77b259f9c987b53a72.zip gcc-2ce04b6bafc8775b51d8bc77b259f9c987b53a72.tar.gz gcc-2ce04b6bafc8775b51d8bc77b259f9c987b53a72.tar.bz2 | |
sparc-protos.h (sparc_rtx_costs): New.
2002-05-03 David S. Miller <davem@redhat.com>
* config/sparc/sparc-protos.h (sparc_rtx_costs): New.
* config/sparc/sparc.c (sparc_rtx_costs): New function
implementing RTX_COSTS and CONST_COSTS.
* config/sparc/sparc.h (CONST_COSTS): Delete.
(RTX_COSTS_CASES): Define.
(RTX_COSTS): Expand RTX_COSTS_CASES and use sparc_rtx_costs to do
the work.
From-SVN: r53147
Diffstat (limited to 'gcc/config/sparc/sparc.c')
| -rw-r--r-- | gcc/config/sparc/sparc.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index 11e7cec..0405726 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -8085,3 +8085,68 @@ sparc_extra_constraint_check (op, c, strict) return reload_ok_mem; } + +int +sparc_rtx_costs (x, code, outer_code) + rtx x; + enum rtx_code code, outer_code; +{ + switch (code) + { + case MULT: + if (sparc_cpu == PROCESSOR_ULTRASPARC) + return (GET_MODE (x) == DImode ? + COSTS_N_INSNS (34) : COSTS_N_INSNS (19)); + + if (sparc_cpu == PROCESSOR_ULTRASPARC3) + return COSTS_N_INSNS (6); + + return (TARGET_HARD_MUL + ? COSTS_N_INSNS (5) + : COSTS_N_INSNS (25)); + + case DIV: + case UDIV: + case MOD: + case UMOD: + if (sparc_cpu == PROCESSOR_ULTRASPARC) + return (GET_MODE (x) == DImode ? + COSTS_N_INSNS (68) : COSTS_N_INSNS (37)); + if (sparc_cpu == PROCESSOR_ULTRASPARC3) + return (GET_MODE (x) == DImode ? + COSTS_N_INSNS (71) : COSTS_N_INSNS (40)); + return COSTS_N_INSNS (25); + + /* Make FLOAT and FIX more expensive than CONST_DOUBLE, + so that cse will favor the latter. */ + case FLOAT: + case FIX: + return 19; + + case CONST_INT: + if (INTVAL (x) < 0x1000 && INTVAL (x) >= -0x1000) + return 0; + + /* fallthru */ + case HIGH: + return 2; + + case CONST: + case LABEL_REF: + case SYMBOL_REF: + return 4; + + case CONST_DOUBLE: + if (GET_MODE (x) == DImode) + if ((XINT (x, 3) == 0 + && (unsigned) XINT (x, 2) < 0x1000) + || (XINT (x, 3) == -1 + && XINT (x, 2) < 0 + && XINT (x, 2) >= -0x1000)) + return 0; + return 8; + + default: + abort(); + }; +} |