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| author | Joachim Breitner <mail@joachim-breitner.de> | 2018-03-21 17:02:21 -0400 |
|---|---|---|
| committer | Joachim Breitner <mail@joachim-breitner.de> | 2018-03-21 17:02:21 -0400 |
| commit | 4a47fd33d2f16070d4fe8bd32a104587608061cd (patch) | |
| tree | 204afacf3bf4177de01b8f2778f4154c26bf578b /compiler/nativeGen/X86/CodeGen.hs | |
| parent | c663b715b6201d460e8bf2b6fb26e61c700384e0 (diff) | |
| parent | 0aa7d8796a95298e906ea81fe4a52590d75c2e47 (diff) | |
| download | haskell-wip/T14068.tar.gz | |
Merge branch 'wip/T14951' into wip/T14068wip/T14068
Diffstat (limited to 'compiler/nativeGen/X86/CodeGen.hs')
| -rw-r--r-- | compiler/nativeGen/X86/CodeGen.hs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/compiler/nativeGen/X86/CodeGen.hs b/compiler/nativeGen/X86/CodeGen.hs index 09757e769e..a0b0673d27 100644 --- a/compiler/nativeGen/X86/CodeGen.hs +++ b/compiler/nativeGen/X86/CodeGen.hs @@ -468,6 +468,20 @@ iselExpr64 (CmmMachOp (MO_UU_Conv _ W64) [expr]) = do r_dst_lo ) +iselExpr64 (CmmMachOp (MO_SS_Conv W32 W64) [expr]) = do + fn <- getAnyReg expr + r_dst_lo <- getNewRegNat II32 + let r_dst_hi = getHiVRegFromLo r_dst_lo + code = fn r_dst_lo + return ( + ChildCode64 (code `snocOL` + MOV II32 (OpReg r_dst_lo) (OpReg eax) `snocOL` + CLTD II32 `snocOL` + MOV II32 (OpReg eax) (OpReg r_dst_lo) `snocOL` + MOV II32 (OpReg edx) (OpReg r_dst_hi)) + r_dst_lo + ) + iselExpr64 expr = pprPanic "iselExpr64(i386)" (ppr expr) |