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Commit Graph

9 Commits

Author SHA1 Message Date
Renato Golin
1fca3efc0b Fix Darwin NEON FP and increase coverage
llvm-svn: 177664
2013-03-21 21:30:49 +00:00
Renato Golin
0854fd9bef 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
ee6a40c517 Add LLVM support for Swift.
llvm-svn: 164899
2012-09-29 21:43:49 +00:00
Jim Grosbach
2a0b14a387 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
949850890f Convert a few tests to FileCheck for PR5307.
llvm-svn: 89584
2009-11-22 11:45:44 +00:00
Jim Grosbach
ea6c9c17f5 Use Unified Assembly Syntax for the ARM backend.
llvm-svn: 86494
2009-11-09 00:11:35 +00:00
David Goodwin
a4b73e486e 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
142428ce64 Eliminate more uses of llvm-as and llvm-dis.
llvm-svn: 81293
2009-09-09 00:09:15 +00:00
David Goodwin
99adffe5f2 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