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10 Commits

Author SHA1 Message Date
Benjamin Kramer d687560d51 Fix tests not to depend on specific regalloc or instruction order. 
They were failing with -mcpu=atom.

llvm-svn: 192890
 2013-10-17 12:41:05 +00:00
Rafael Espindola 43766b61a4 Update tests to use sse4.2 instead of sse42. 
llvm-svn: 189145
 2013-08-23 20:46:35 +00:00
Benjamin Kramer 068a2253e9 X86: Shrink certain forms of movsx. 
In particular:
movsbw %al, %ax   --> cbtw
movswl %ax, %eax  --> cwtl
movslq %eax, %rax --> cltq

According to Intel's manual those have the same performance characteristics but
come with a smaller encoding.

llvm-svn: 186174
 2013-07-12 18:06:44 +00:00
Bill Wendling 410ec4aad1 As Dan pointed out, movzbl, movsbl, and friends are nicer than their alias 
(movzx/movsx) because they give more information. Revert that part of the patch.

llvm-svn: 129498
 2011-04-14 01:46:37 +00:00
Bill Wendling 7e07d6fb69 Have the X86 back-end emit the alias instead of what's being aliased. In most 
cases, it's much nicer and more informative reading the alias.

llvm-svn: 129497
 2011-04-14 01:11:51 +00:00
Chris Lattner ff392ab3ed now that generic vector types aren't selected onto MMX registers, these 
tests don't need -disable-mmx.

llvm-svn: 122188
 2010-12-19 20:12:58 +00:00
Mon P Wang 1a015acf69 Update tests to use FileCheck 
llvm-svn: 84282
 2009-10-16 22:09:05 +00:00
Dan Gohman 40503396da Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81290
 2009-09-08 23:54:48 +00:00
Dan Gohman 0d4bbf2c4a Remove obsolete -f flags. 
llvm-svn: 79992
 2009-08-25 15:38:29 +00:00
Mon P Wang 6e5f4bc1e7 Added some basic test cases for r61209 
llvm-svn: 61210
 2008-12-18 20:05:58 +00:00