6 Commits

Author	SHA1	Message	Date
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
Evan Cheng	1be6286028	Re-enable 91381 with fixes. ... llvm-svn: 91489	2009-12-16 00:53:11 +00:00
Evan Cheng	fcb5453dc7	Disable 91381 for now. It's miscompiling ARMISelDAG2DAG.cpp. ... llvm-svn: 91405	2009-12-15 03:07:11 +00:00
Evan Cheng	0e8b9e32d1	Use sbb x, x to materialize carry bit in a GPR. The result is all one's or all zero's. ... llvm-svn: 91381	2009-12-15 00:53:42 +00:00
Evan Cheng	ca7c690d3b	Propagate zest through logical shift. ... llvm-svn: 91378	2009-12-15 00:41:36 +00:00