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authorGeoffrey Mainland <gmainlan@microsoft.com>2012-10-31 15:42:01 +0000
committerGeoffrey Mainland <gmainlan@microsoft.com>2013-02-01 22:00:24 +0000
commit33bfc6a700eaab9bc06974d6f71a80e61d9177c9 (patch)
tree842bf82b7dbdafe04820349e5e991800a3cf0646 /compiler/codeGen/CgUtils.hs
parent1811440833da92eefd7b7255915855fddc64994c (diff)
downloadhaskell-33bfc6a700eaab9bc06974d6f71a80e61d9177c9.tar.gz
Add support for passing SSE vectors in registers.
This patch adds support for 6 XMM registers on x86-64 which overlap with the F and D registers and may hold 128-bit wide SIMD vectors. Because there is not a good way to attach type information to STG registers, we aggressively bitcast in the LLVM back-end.
Diffstat (limited to 'compiler/codeGen/CgUtils.hs')
-rw-r--r--compiler/codeGen/CgUtils.hs7
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/codeGen/CgUtils.hs b/compiler/codeGen/CgUtils.hs
index bdb7f69b11..c06dd60cb1 100644
--- a/compiler/codeGen/CgUtils.hs
+++ b/compiler/codeGen/CgUtils.hs
@@ -49,6 +49,13 @@ baseRegOffset dflags (DoubleReg 4) = oFFSET_StgRegTable_rD4 dflags
baseRegOffset dflags (DoubleReg 5) = oFFSET_StgRegTable_rD5 dflags
baseRegOffset dflags (DoubleReg 6) = oFFSET_StgRegTable_rD6 dflags
baseRegOffset _ (DoubleReg n) = panic ("Registers above D6 are not supported (tried to use D" ++ show n ++ ")")
+baseRegOffset dflags (XmmReg 1) = oFFSET_StgRegTable_rXMM1 dflags
+baseRegOffset dflags (XmmReg 2) = oFFSET_StgRegTable_rXMM2 dflags
+baseRegOffset dflags (XmmReg 3) = oFFSET_StgRegTable_rXMM3 dflags
+baseRegOffset dflags (XmmReg 4) = oFFSET_StgRegTable_rXMM4 dflags
+baseRegOffset dflags (XmmReg 5) = oFFSET_StgRegTable_rXMM5 dflags
+baseRegOffset dflags (XmmReg 6) = oFFSET_StgRegTable_rXMM6 dflags
+baseRegOffset _ (XmmReg n) = panic ("Registers above XMM6 are not supported (tried to use XMM" ++ show n ++ ")")
baseRegOffset dflags Sp = oFFSET_StgRegTable_rSp dflags
baseRegOffset dflags SpLim = oFFSET_StgRegTable_rSpLim dflags
baseRegOffset dflags (LongReg 1) = oFFSET_StgRegTable_rL1 dflags