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| author | Richard Stallman <rms@gnu.org> | 1992-08-12 07:28:03 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1992-08-12 07:28:03 +0000 |
| commit | b428127320b1753f078713497276120114df6028 (patch) | |
| tree | 32b25a58d40b9a38ac34f91138a70587b5a38778 | |
| parent | 882e061d827479d886f558d4ab3f01edeee6418e (diff) | |
| download | gcc-b428127320b1753f078713497276120114df6028.zip gcc-b428127320b1753f078713497276120114df6028.tar.gz gcc-b428127320b1753f078713497276120114df6028.tar.bz2 | |
(TARGET_68040): Test for 01000 or 0400.
(TARGET_SWITCHES): Rename -m68040 to -m68020-40.
Rename -m68040-only to -m68040.
From-SVN: r1805
| -rw-r--r-- | gcc/config/m68k/m68k.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/gcc/config/m68k/m68k.h b/gcc/config/m68k/m68k.h index d1266f1..1eebad7 100644 --- a/gcc/config/m68k/m68k.h +++ b/gcc/config/m68k/m68k.h @@ -81,14 +81,15 @@ extern int target_flags; /* Compile (actually, link) for Sun SKY board. */ #define TARGET_SKY (target_flags & 0200) -/* Optimize for 68040. +/* Optimize for 68040, but still allow execution on 68020 + (-m68020-40 or -m68040). The 68040 will execute all 68030 and 68881/2 instructions, but some of them must be emulated in software by the OS. When TARGET_68040 is turned on, these instructions won't be used. This code will still run on a 68030 and 68881/2. */ -#define TARGET_68040 (target_flags & 0400) +#define TARGET_68040 (target_flags & 01400) -/* Support 68040 fp instructions. */ +/* Use the 68040-only fp instructions (-m68040). */ #define TARGET_68040_ONLY (target_flags & 01000) /* Macro to define tables used to set the flags. @@ -114,10 +115,10 @@ extern int target_flags; { "nofpa", -0100}, \ { "sky", 0200}, \ { "nosky", -0200}, \ - { "68040", 0407}, \ + { "68020-40", 0407}, \ { "68030", -01400}, \ { "68030", 7}, \ - { "68040-only", 01000}, \ + { "68040", 01000}, \ { "", TARGET_DEFAULT}} /* TARGET_DEFAULT is defined in sun*.h and isi.h, etc. */ |