diff options
| author | Richard Kenner <kenner@gcc.gnu.org> | 1995-02-23 06:58:36 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-02-23 06:58:36 -0500 |
| commit | 3bda6d11ef9912f7beb23011ff4d8b263d5128b5 (patch) | |
| tree | 32afba2f3994c601f5a088144d111ac1e502f048 /gcc | |
| parent | 5d6155d480e2f58d488d0fcf9a440984b987d774 (diff) | |
| download | gcc-3bda6d11ef9912f7beb23011ff4d8b263d5128b5.zip gcc-3bda6d11ef9912f7beb23011ff4d8b263d5128b5.tar.gz gcc-3bda6d11ef9912f7beb23011ff4d8b263d5128b5.tar.bz2 | |
(RTX_COSTS): Update costs for FP operations.
From-SVN: r9047
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/alpha/alpha.h | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/gcc/config/alpha/alpha.h b/gcc/config/alpha/alpha.h index d0157b3..e84dd64 100644 --- a/gcc/config/alpha/alpha.h +++ b/gcc/config/alpha/alpha.h @@ -1432,9 +1432,8 @@ extern char *current_function_name; switch on CODE. */ #define RTX_COSTS(X,CODE,OUTER_CODE) \ - case PLUS: \ - case MINUS: \ - if (GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT) \ + case PLUS: case MINUS: \ + if (FLOAT_MODE_P (GET_MODE (X))) \ return COSTS_N_INSNS (6); \ else if (GET_CODE (XEXP (X, 0)) == MULT \ && const48_operand (XEXP (XEXP (X, 0), 1), VOIDmode)) \ @@ -1442,7 +1441,7 @@ extern char *current_function_name; + rtx_cost (XEXP (X, 1), OUTER_CODE)); \ break; \ case MULT: \ - if (GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT) \ + if (FLOAT_MODE_P (GET_MODE (X))) \ return COSTS_N_INSNS (6); \ return COSTS_N_INSNS (23); \ case ASHIFT: \ @@ -1452,10 +1451,7 @@ extern char *current_function_name; /* ... fall through ... */ \ case ASHIFTRT: case LSHIFTRT: case IF_THEN_ELSE: \ return COSTS_N_INSNS (2); \ - case DIV: \ - case UDIV: \ - case MOD: \ - case UMOD: \ + case DIV: case UDIV: case MOD: case UMOD: \ if (GET_MODE (X) == SFmode) \ return COSTS_N_INSNS (34); \ else if (GET_MODE (X) == DFmode) \ @@ -1463,7 +1459,14 @@ extern char *current_function_name; else \ return COSTS_N_INSNS (70); \ case MEM: \ - return COSTS_N_INSNS (3); + return COSTS_N_INSNS (3); \ + case FLOAT: case UNSIGNED_FLOAT: case FIX: case UNSIGNED_FIX: \ + case FLOAT_EXTEND: case FLOAT_TRUNCATE: \ + return COSTS_N_INSNS (6); \ + case NEG: case ABS: \ + if (FLOAT_MODE_P (GET_MODE (X))) \ + return COSTS_N_INSNS (6); \ + break; /* Control the assembler format that we output. */ |