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| author | Mike Pall <mike> | 2009-12-22 20:27:20 +0100 |
|---|---|---|
| committer | Mike Pall <mike> | 2009-12-22 20:27:20 +0100 |
| commit | 6ce0c90ed642157f019b50ad1eb06246471a47b1 (patch) | |
| tree | e3cc5e7207db2167f7f22a64ee4bfc8a93cd6ca5 /src/Makefile | |
| parent | a5faa29aa951d4fbd874b24350c315efc1cf3133 (diff) | |
| download | luajit-6ce0c90ed642157f019b50ad1eb06246471a47b1.tar.gz luajit-6ce0c90ed642157f019b50ad1eb06246471a47b1.tar.bz2 luajit-6ce0c90ed642157f019b50ad1eb06246471a47b1.zip | |
Add build infrastructure for the SSE2-enabled interpreter.
Works on x86 now. Will be enabled by default on x64 (not ready, yet).
Diffstat (limited to 'src/Makefile')
| -rw-r--r-- | src/Makefile | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/Makefile b/src/Makefile index 209758fe..f0496248 100644 --- a/src/Makefile +++ b/src/Makefile | |||
| @@ -62,6 +62,14 @@ XCFLAGS= | |||
| 62 | # interpreter. Don't bother if your OS wouldn't run on them, anyway. | 62 | # interpreter. Don't bother if your OS wouldn't run on them, anyway. |
| 63 | #XCFLAGS+= -DLUAJIT_CPU_NOCMOV | 63 | #XCFLAGS+= -DLUAJIT_CPU_NOCMOV |
| 64 | # | 64 | # |
| 65 | # Use SSE2 instructions instead of x87 instructions in the x86 interpreter | ||
| 66 | # (always enabled for x64). A pure interpreter built with this flag won't | ||
| 67 | # run on older CPUs (before P4 or K8). There isn't much of a speed | ||
| 68 | # difference, so this is not enabled by default. | ||
| 69 | # The JIT compiler is not affected by this flag. It always uses runtime | ||
| 70 | # CPU feature detection before emitting code for SSE2 up to SSE4.1. | ||
| 71 | #XCFLAGS+= -DLUAJIT_CPU_SSE2 | ||
| 72 | # | ||
| 65 | # Disable the JIT compiler, i.e. turn LuaJIT into a pure interpreter: | 73 | # Disable the JIT compiler, i.e. turn LuaJIT into a pure interpreter: |
| 66 | #XCFLAGS+= -DLUAJIT_DISABLE_JIT | 74 | #XCFLAGS+= -DLUAJIT_DISABLE_JIT |
| 67 | # | 75 | # |