aturetsk added inline comments. ================ Comment at: lib/Basic/Targets.cpp:2551 @@ -2547,3 +2550,3 @@ case CK_i386: case CK_i486: case CK_i586: ---------------- "x87 instructions probably work" is more like it, and having feature x87 disabled would mean "x87 instructions definitely don't work". That's what I intended. If feature soft float is specified it takes precedence over feature x87 causing compiler to generate calls instead of X87 instructions. Support of -m80387/-mno-80387 seems to be a good thing to have in Clang to be compatible with GCC (although briefly looking at GCC's sources these options just seem to be synonyms to -mhard-float/-msoft-float). I can add the flags, but I think that's better to be done in a separate patch.
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