2 Commits

Author	SHA1	Message	Date
Dale Johannesen	62a0b6a79b	These tests don't work unless SSE2 is active. ... Judging from the checking comments this is intentional, so add the flag (makes them pass on non-x86 host). llvm-svn: 48157	2008-03-10 17:33:57 +00:00
Chris Lattner	b628208161	Finish implementing a readme entry: when inserting an i64 variable ... into a vector of zeros or undef, and when the top part is obviously zero, we can just use movd + shuffle. This allows us to compile vec_set-B.ll into: _test3: movl $1234567, %eax andl 4(%esp), %eax movd %eax, %xmm0 ret instead of: _test3: subl $28, %esp movl $1234567, %eax andl 32(%esp), %eax movl %eax, (%esp) movl $0, 4(%esp) movq (%esp), %xmm0 addl $28, %esp ret llvm-svn: 48090	2008-03-09 05:42:06 +00:00