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| author | Richard Kenner <kenner@gcc.gnu.org> | 1994-10-31 08:00:54 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1994-10-31 08:00:54 -0500 |
| commit | fea1b650454bbedd43270ddb4aaaf3df56cc0818 (patch) | |
| tree | 38f19209a64c894893334c3096a8a92a1f8b22da | |
| parent | c65916a688994dda3fdbf82113b929f0d06aff75 (diff) | |
| download | gcc-fea1b650454bbedd43270ddb4aaaf3df56cc0818.zip gcc-fea1b650454bbedd43270ddb4aaaf3df56cc0818.tar.gz gcc-fea1b650454bbedd43270ddb4aaaf3df56cc0818.tar.bz2 | |
(TARGET_SWITCHES): Add -split and -no-split.
(TARGET_SPLIT, TARGET_NOSPLIT): New macros.
(TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Abort if -split.
From-SVN: r8366
| -rw-r--r-- | gcc/config/pdp11/pdp11.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/config/pdp11/pdp11.h b/gcc/config/pdp11/pdp11.h index b0cab19..624715b 100644 --- a/gcc/config/pdp11/pdp11.h +++ b/gcc/config/pdp11/pdp11.h @@ -91,6 +91,9 @@ extern int target_flags; /* 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 }, \ /* default */ \ { "", TARGET_DEFAULT} \ } @@ -122,6 +125,9 @@ extern int target_flags; #define TARGET_SPACE (target_flags & 512) #define TARGET_TIME (! TARGET_SPACE) + +#define TARGET_SPLIT (target_flags & 1024) +#define TARGET_NOSPLIT (! TARGET_SPLIT) /* TYPE SIZES */ @@ -1254,6 +1260,9 @@ JMP FUNCTION 0x0058 0x0000 <- FUNCTION #define TRAMPOLINE_TEMPLATE(FILE) \ { \ + if (TARGET_SPLIT) \ + abort(); \ + \ ASM_OUTPUT_INT (FILE, gen_rtx(CONST_INT, VOIDmode, 0x9400+STATIC_CHAIN_REGNUM)); \ ASM_OUTPUT_INT (FILE, const0_rtx); \ ASM_OUTPUT_INT (FILE, gen_rtx(CONST_INT, VOIDmode, 0x0058)); \ @@ -1269,6 +1278,9 @@ JMP FUNCTION 0x0058 0x0000 <- FUNCTION #define INITIALIZE_TRAMPOLINE(TRAMP,FNADDR,CXT) \ { \ + if (TARGET_SPLIT) \ + abort(); \ + \ emit_move_insn (gen_rtx (MEM, HImode, plus_constant (TRAMP, 2)), CXT); \ emit_move_insn (gen_rtx (MEM, HImode, plus_constant (TRAMP, 6)), FNADDR); \ } |