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author | Ben.Lippmeier@anu.edu.au <unknown> | 2009-11-14 06:04:55 +0000 |
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committer | Ben.Lippmeier@anu.edu.au <unknown> | 2009-11-14 06:04:55 +0000 |
commit | 8c84944d5782f2ee60d96c02977f15ba9e7ab935 (patch) | |
tree | 60e3d7766fc4057286f6a12f56398f5d761cbe98 /compiler/codeGen/StgCmmCon.hs | |
parent | fcf0225457abec189ea630163fa56bc48c2d796d (diff) | |
download | haskell-8c84944d5782f2ee60d96c02977f15ba9e7ab935.tar.gz |
Don't share low valued Int and Char closures with Windows DLLs
Diffstat (limited to 'compiler/codeGen/StgCmmCon.hs')
-rw-r--r-- | compiler/codeGen/StgCmmCon.hs | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/compiler/codeGen/StgCmmCon.hs b/compiler/codeGen/StgCmmCon.hs index 452a352bab..18c2509ccd 100644 --- a/compiler/codeGen/StgCmmCon.hs +++ b/compiler/codeGen/StgCmmCon.hs @@ -147,8 +147,13 @@ work with any old argument, but for @Int@-like ones the argument has to be a literal. Reason: @Char@ like closures have an argument type which is guaranteed in range. -Because of this, we use can safely return an addressing mode. -} +Because of this, we use can safely return an addressing mode. +We don't support this optimisation when compiling into Windows DLLs yet +because they don't support cross package data references well. +-} + +#if !(defined(__PIC__) && defined(mingw32_HOST_OS)) buildDynCon binder _cc con [arg] | maybeIntLikeCon con , StgLitArg (MachInt val) <- arg @@ -172,6 +177,7 @@ buildDynCon binder _cc con [arg] -- CHARLIKE closures consist of a header and one word payload charlike_amode = cmmLabelOffW charlike_lbl offsetW ; return (litIdInfo binder (mkConLFInfo con) charlike_amode, mkNop) } +#endif -------- buildDynCon: the general case ----------- buildDynCon binder ccs con args |