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Author SHA1 Message Date
Craig Topper aa5eb2fbaa [X86] Force floating point values in constant pool decoding to print in scientific notation so they can't be confused with integers. 
When the floating point constants are whole numbers they have no decimal point so look like integers, but mean something very different in something like an 'and' instruction.

Ideally we would just print a decimal point and a 0, but I couldn't see how to make APFloat::toString do that.

llvm-svn: 345488
 2018-10-29 04:52:04 +00:00
Simon Pilgrim ad23f270db [X86] Standardize floating point assembly comments 
Consistently try to use APFloat::toString for floating point constant comments to get rid of differences between Constant / ConstantDataSequential values - it should help stop some of the linux-windows buildbot failures matching NaN/INF etc. as well.

Differential Revision: https://reviews.llvm.org/D52702

llvm-svn: 343562
 2018-10-02 09:08:51 +00:00
Simon Pilgrim a0c59cce0e [X86][SSE] Add some basic FABS combine tests 
llvm-svn: 322182
 2018-01-10 13:28:34 +00:00