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Author SHA1 Message Date
Michael Kuperstein 801ee74167 Do not try to use i8 and i16 versions of FP_TO_U/SINT soft float library calls 
It appears that neither compiler-rt nor the gnu soft-float libraries actually
implement these conversions. Instead of emitting calls to library functions
that don't exist, handle it similarly to the way we handle i8 -> float and
i16 -> float conversions: call the i32 library function, and adjust the type.

Differential Revision: http://reviews.llvm.org/D15151

llvm-svn: 255643
 2015-12-15 12:55:50 +00:00
Michael Kuperstein a01a5ee72f [X86] Do not try to custom-lower sitofp/fptosi in soft-float mode 
Differential Revision: http://reviews.llvm.org/D14495

llvm-svn: 252621
 2015-11-10 17:37:49 +00:00
Michael Kuperstein b34de72269 [X86] DAGCombine should not introduce FILD in soft-float mode 
The x86 "sitofp i64 to double" dag combine, in 32-bit mode, lowers sitofp 
directly to X86ISD::FILD (or FILD_FLAG). This should not be done in soft-float mode.

llvm-svn: 252042
 2015-11-04 11:17:53 +00:00