[Git][ghc/ghc][wip/T23576] Fix MO_SS_Conv W8/16 W64 again again

[Jaro Reinders (@Noughtmare)]

Jaro Reinders pushed to branch wip/T23576 at Glasgow Haskell Compiler / GHC


Commits:
04e5569c by Jaro Reinders at 2023-07-06T10:52:34+02:00
Fix MO_SS_Conv W8/16 W64 again again

- - - - -


1 changed file:

- compiler/GHC/CmmToAsm/X86/CodeGen.hs


Changes:

=====================================
compiler/GHC/CmmToAsm/X86/CodeGen.hs
=====================================
@@ -624,7 +624,7 @@ iselExpr64 (CmmMachOp (MO_SS_Conv W16 W64) [expr]) = do
      (r, code) <- getByteReg expr
      Reg64 r_dst_hi r_dst_lo <- getNewReg64
      return $ RegCode64 (code `appOL` toOL [
-                          MOVZxL II32 (OpReg r) (OpReg eax),
+                          MOVSxL II32 (OpReg r) (OpReg eax),
                           CLTD II32,
                           MOV II32 (OpReg eax) (OpReg r_dst_lo),
                           MOV II32 (OpReg edx) (OpReg r_dst_hi)])
@@ -635,7 +635,7 @@ iselExpr64 (CmmMachOp (MO_SS_Conv W8 W64) [expr]) = do
      (r, code) <- getByteReg expr
      Reg64 r_dst_hi r_dst_lo <- getNewReg64
      return $ RegCode64 (code `appOL` toOL [
-                          MOVZxL II32 (OpReg r) (OpReg eax),
+                          MOVSxL II32 (OpReg r) (OpReg eax),
                           CLTD II32,
                           MOV II32 (OpReg eax) (OpReg r_dst_lo),
                           MOV II32 (OpReg edx) (OpReg r_dst_hi)])



View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/04e5569c017b009e1bc21aeef86d81d4435c4391

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/04e5569c017b009e1bc21aeef86d81d4435c4391
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