summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorGeoffrey Mainland <gmainlan@microsoft.com>2013-09-16 12:27:37 -0400
committerGeoffrey Mainland <gmainlan@microsoft.com>2013-09-22 22:34:00 -0400
commit1ed36c54d50e0e97aee95d15d674f95cabab0b77 (patch)
tree3f3b2ebd3459328dbcad5e3f03eaaea85edbef76
parentd2b95264c97b3d7786b359fbf04fb297a160daa3 (diff)
downloadhaskell-1ed36c54d50e0e97aee95d15d674f95cabab0b77.tar.gz
Enable -msse to be specified by itself.
This sets the SSE "version" to 1.0.
-rw-r--r--compiler/main/CmdLineParser.hs2
-rw-r--r--compiler/main/DriverPipeline.hs11
-rw-r--r--compiler/main/DynFlags.hs7
3 files changed, 13 insertions, 7 deletions
diff --git a/compiler/main/CmdLineParser.hs b/compiler/main/CmdLineParser.hs
index 6681186246..fef2701bcd 100644
--- a/compiler/main/CmdLineParser.hs
+++ b/compiler/main/CmdLineParser.hs
@@ -220,7 +220,7 @@ processOneArg opt_kind rest arg args
Just min <- parseInt min_s -> Right (f maj min, args)
| [maj_s] <- split '.' rest_no_eq,
Just maj <- parseInt maj_s -> Right (f maj 0, args)
- | otherwise -> Left ("malformed version argument in " ++ dash_arg)
+ | otherwise -> Right (f 1 0, args)
findArg :: [Flag m] -> String -> Maybe (String, OptKind m)
diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs
index 63f203aaf5..44a6fa57a1 100644
--- a/compiler/main/DriverPipeline.hs
+++ b/compiler/main/DriverPipeline.hs
@@ -1414,6 +1414,7 @@ runPhase (RealPhase LlvmLlc) input_fn dflags
sseOpts | isSse4_2Enabled dflags = ["-mattr=+sse42"]
| isSse2Enabled dflags = ["-mattr=+sse2"]
+ | isSseEnabled dflags = ["-mattr=+sse"]
| otherwise = []
avxOpts | isAvx512fEnabled dflags = ["-mattr=+avx512f"]
@@ -2033,12 +2034,10 @@ doCpp dflags raw input_fn output_fn = do
-- remember, in code we *compile*, the HOST is the same our TARGET,
-- and BUILD is the same as our HOST.
- let sse2 = isSse2Enabled dflags
- sse4_2 = isSse4_2Enabled dflags
- sse_defs =
- [ "-D__SSE__=1" | sse2 || sse4_2 ] ++
- [ "-D__SSE2__=1" | sse2 || sse4_2 ] ++
- [ "-D__SSE4_2__=1" | sse4_2 ]
+ let sse_defs =
+ [ "-D__SSE__=1" | isSseEnabled dflags ] ++
+ [ "-D__SSE2__=1" | isSse2Enabled dflags ] ++
+ [ "-D__SSE4_2__=1" | isSse4_2Enabled dflags ]
let avx_defs =
[ "-D__AVX__=1" | isAvxEnabled dflags ] ++
diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs
index 37f35e61d6..d6b386a475 100644
--- a/compiler/main/DynFlags.hs
+++ b/compiler/main/DynFlags.hs
@@ -129,6 +129,7 @@ module DynFlags (
unsafeGlobalDynFlags, setUnsafeGlobalDynFlags,
-- * SSE and AVX
+ isSseEnabled,
isSse2Enabled,
isSse4_2Enabled,
isAvxEnabled,
@@ -3617,6 +3618,12 @@ setUnsafeGlobalDynFlags = writeIORef v_unsafeGlobalDynFlags
-- check if SSE is enabled, we might have x86-64 imply the -msse2
-- flag.
+isSseEnabled :: DynFlags -> Bool
+isSseEnabled dflags = case platformArch (targetPlatform dflags) of
+ ArchX86_64 -> True
+ ArchX86 -> sseVersion dflags >= Just (1,0)
+ _ -> False
+
isSse2Enabled :: DynFlags -> Bool
isSse2Enabled dflags = case platformArch (targetPlatform dflags) of
ArchX86_64 -> -- SSE2 is fixed on for x86_64. It would be