diff options
Diffstat (limited to 'gcc/config/pdp11/pdp11.h')
| -rw-r--r-- | gcc/config/pdp11/pdp11.h | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/gcc/config/pdp11/pdp11.h b/gcc/config/pdp11/pdp11.h index 55f9993e812..7912beaa151 100644 --- a/gcc/config/pdp11/pdp11.h +++ b/gcc/config/pdp11/pdp11.h @@ -89,9 +89,6 @@ extern int target_flags; /* this is just to play around and check what code gcc generates */ \ { "branch-expensive", 256}, \ { "branch-cheap", -256}, \ -/* optimize for space instead of time - just in a couple of places */ \ - { "space", 512 }, \ - { "time", -512 }, \ /* split instruction and data memory? */ \ { "split", 1024 }, \ { "no-split", -1024 }, \ @@ -108,7 +105,7 @@ extern int target_flags; #define TARGET_NO_AC0 (! TARGET_AC0) #define TARGET_45 (target_flags & 8) -#define TARGET_40_PLUS ((target_flags & 4) || (target_flags)) +#define TARGET_40_PLUS ((target_flags & 4) || (target_flags & 8)) #define TARGET_10 (! TARGET_40_PLUS) #define TARGET_BCOPY_BUILTIN (! (target_flags & 16)) @@ -124,9 +121,6 @@ extern int target_flags; #define TARGET_BRANCH_EXPENSIVE (target_flags & 256) #define TARGET_BRANCH_CHEAP (!TARGET_BRANCH_EXPENSIVE) -#define TARGET_SPACE (target_flags & 512) -#define TARGET_TIME (! TARGET_SPACE) - #define TARGET_SPLIT (target_flags & 1024) #define TARGET_NOSPLIT (! TARGET_SPLIT) @@ -687,11 +681,11 @@ extern int current_function_pretend_args_size; /* Addressing modes, and classification of registers for them. */ -#define HAVE_POST_INCREMENT -/* #define HAVE_POST_DECREMENT */ +#define HAVE_POST_INCREMENT 1 +/* #define HAVE_POST_DECREMENT 0 */ -#define HAVE_PRE_DECREMENT -/* #define HAVE_PRE_INCREMENT */ +#define HAVE_PRE_DECREMENT 1 +/* #define HAVE_PRE_INCREMENT 0 */ /* Macros to check register numbers against specific register classes. */ @@ -1315,31 +1309,31 @@ JMP FUNCTION 0x0058 0x0000 <- FUNCTION there is something wrong in MULT because MULT is not as cheap as total = 2 even if we can shift! - if TARGET_SPACE make mult etc cheap, but not 1, so when + if optimizing for size make mult etc cheap, but not 1, so when in doubt the faster insn is chosen. */ #define RTX_COSTS(X,CODE,OUTER_CODE) \ case MULT: \ - if (TARGET_SPACE) \ + if (optimize_size) \ total = COSTS_N_INSNS(2); \ else \ total = COSTS_N_INSNS (11); \ break; \ case DIV: \ - if (TARGET_SPACE) \ + if (optimize_size) \ total = COSTS_N_INSNS(2); \ else \ total = COSTS_N_INSNS (25); \ break; \ case MOD: \ - if (TARGET_SPACE) \ + if (optimize_size) \ total = COSTS_N_INSNS(2); \ else \ total = COSTS_N_INSNS (26); \ break; \ case ABS: \ - /* equivalent to length, so same for TARGET_SPACE */ \ + /* equivalent to length, so same for optimize_size */ \ total = COSTS_N_INSNS (3); \ break; \ case ZERO_EXTEND: \ @@ -1358,7 +1352,7 @@ JMP FUNCTION 0x0058 0x0000 <- FUNCTION case ASHIFT: \ case LSHIFTRT: \ case ASHIFTRT: \ - if (TARGET_SPACE) \ + if (optimize_size) \ total = COSTS_N_INSNS(1); \ else if (GET_MODE(X) == QImode) \ { \ |