3 Commits

Author	SHA1	Message	Date
Chris Lattner	f763288705	make sure to use a cpu that has sse. ... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46060 91177308-0d34-0410-b5e6-96231b3b80d8	2008-01-16 06:32:02 +00:00
Chris Lattner	d60eedca01	Codegen: ... as: _bar: pushl %esi subl $8, %esp movl 16(%esp), %esi call L_foo$stub fstps (%esi) addl $8, %esp popl %esi #FP_REG_KILL ret instead of: _bar: pushl %esi subl $8, %esp movl 16(%esp), %esi call L_foo$stub fstpl (%esi) cvtsd2ss (%esi), %xmm0 movss %xmm0, (%esi) addl $8, %esp popl %esi #FP_REG_KILL ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45401 91177308-0d34-0410-b5e6-96231b3b80d8	2007-12-29 06:57:38 +00:00
Chris Lattner	112dedc520	avoid going through a stack slot to convert from fpstack to xmm reg ... if we are just going to store it back anyway. This improves things like: double foo(); void bar(double *P) { *P = foo(); } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45399 91177308-0d34-0410-b5e6-96231b3b80d8	2007-12-29 06:41:28 +00:00