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9 Commits

Author SHA1 Message Date
Renato Golin a4d563526e Fix Darwin NEON FP and increase coverage 
llvm-svn: 177664
 2013-03-21 21:30:49 +00:00
Renato Golin b4dd6c5945 Avoid NEON SP-FP unless unsafe-math or Darwin 
NEON is not IEEE 754 compliant, so we should avoid lowering single-precision
floating point operations with NEON unless unsafe-math is turned on. The
equivalent VFP instructions are IEEE 754 compliant, but in some cores they're
much slower, so some archs/OSs might still request it to be on by default,
such as Swift and Darwin.

llvm-svn: 177651
 2013-03-21 18:47:47 +00:00
Bob Wilson e8a549cd92 Add LLVM support for Swift. 
llvm-svn: 164899
 2012-09-29 21:43:49 +00:00
Jim Grosbach 71fcb4fedd switch the flag for using NEON for SP floating point to a subtarget 'feature'. 
Re-commit. This time complete with testsuite updates.

llvm-svn: 99570
 2010-03-25 23:47:34 +00:00
Edward O'Callaghan 15dd46215e Convert a few tests to FileCheck for PR5307. 
llvm-svn: 89584
 2009-11-22 11:45:44 +00:00
Jim Grosbach d7cf55cd0e Use Unified Assembly Syntax for the ARM backend. 
llvm-svn: 86494
 2009-11-09 00:11:35 +00:00
David Goodwin 1cc6dd97da Remove neonfp attribute and instead set default based on CPU string. Add -arm-use-neon-fp to override the default. 
llvm-svn: 83218
 2009-10-01 22:19:57 +00:00
Dan Gohman c8054d90fb Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81293
 2009-09-09 00:09:15 +00:00
David Goodwin 3b9c52c5c1 Initial support for single-precision FP using NEON. Added "neonfp" attribute to enable. Added patterns for some binary FP operations. 
llvm-svn: 78081
 2009-08-04 17:53:06 +00:00