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| author | Peter Trommler <ptrommler@acm.org> | 2021-05-16 15:01:52 +0200 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2021-08-04 13:09:31 -0400 |
| commit | 47b677535c2ee91f27e77ed88d586e88e5eecb13 (patch) | |
| tree | abe4e30b5d0d8c4f9791dadcdd06e76948228fd2 | |
| parent | 5f8aadabb420367807d6846eda3f008bcda1a5cd (diff) | |
| download | haskell-47b677535c2ee91f27e77ed88d586e88e5eecb13.tar.gz | |
PPC NCG: Fix unsigned compare with 16-bit constants
Fixes #19852 and #19609
(cherry picked from commit 6a577cf0edb38577e703c9523a4307ae9fa7576d)
| -rw-r--r-- | compiler/GHC/CmmToAsm/PPC/CodeGen.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/GHC/CmmToAsm/PPC/CodeGen.hs b/compiler/GHC/CmmToAsm/PPC/CodeGen.hs index 367faa25bc..516a3840b6 100644 --- a/compiler/GHC/CmmToAsm/PPC/CodeGen.hs +++ b/compiler/GHC/CmmToAsm/PPC/CodeGen.hs @@ -981,7 +981,8 @@ condIntCode' _ cond width x (CmmLit (CmmInt y rep)) | Just src2 <- makeImmediate rep (not $ condUnsigned cond) y = do let op_len = max W32 width - let extend = extendSExpr width op_len + let extend = if condUnsigned cond then extendUExpr width op_len + else extendSExpr width op_len (src1, code) <- getSomeReg (extend x) let format = intFormat op_len code' = code `snocOL` |