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10 Commits

Author SHA1 Message Date
Evan Cheng 2d59ee34f1 Add some missing isel predicates on def : pat patterns to avoid generating VFP vmla / vmls (they cause stalls). Disabling them in isel is properly not a right solution, I'll look into a proper solution next. 
llvm-svn: 118922
 2010-11-12 20:32:20 +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
Jim Grosbach d7cf55cd0e Use Unified Assembly Syntax for the ARM backend. 
llvm-svn: 86494
 2009-11-09 00:11:35 +00:00
Jim Grosbach 5cba8de2c8 vml[as].f32 cause stalls in following advanced SIMD instructions. Avoid using 
them for scalar floating point operations for now.

llvm-svn: 85697
 2009-10-31 22:57:36 +00:00
Evan Cheng b9f3520660 Update tests. 
llvm-svn: 85050
 2009-10-25 07:53:48 +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 742db6a6d4 Make NEON single-precision FP support the default for cortex-a8 (again). 
llvm-svn: 78430
 2009-08-07 23:32:33 +00:00
David Goodwin a3839bc6c0 Match common pattern for FNMAC. Add NEON SP support. 
llvm-svn: 78085
 2009-08-04 18:44:29 +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