Nate Begeman bdcb5afb77 ~40% faster vector shl <4 x i32> on SSE 4.1 Larger improvements for smaller types coming in future patches. ... For: define <2 x i64> @shl(<4 x i32> %r, <4 x i32> %a) nounwind readnone ssp { entry: %shl = shl <4 x i32> %r, %a ; <<4 x i32>> [#uses=1] %tmp2 = bitcast <4 x i32> %shl to <2 x i64> ; <<2 x i64>> [#uses=1] ret <2 x i64> %tmp2 } We get: _shl: ## @shl pslld $23, %xmm1 paddd LCPI0_0, %xmm1 cvttps2dq %xmm1, %xmm1 pmulld %xmm1, %xmm0 ret Instead of: _shl: ## @shl pshufd $3, %xmm0, %xmm2 movd %xmm2, %eax pshufd $3, %xmm1, %xmm2 movd %xmm2, %ecx shll %cl, %eax movd %eax, %xmm2 pshufd $1, %xmm0, %xmm3 movd %xmm3, %eax pshufd $1, %xmm1, %xmm3 movd %xmm3, %ecx shll %cl, %eax movd %eax, %xmm3 punpckldq %xmm2, %xmm3 movd %xmm0, %eax movd %xmm1, %ecx shll %cl, %eax movd %eax, %xmm2 movhlps %xmm0, %xmm0 movd %xmm0, %eax movhlps %xmm1, %xmm1 movd %xmm1, %ecx shll %cl, %eax movd %eax, %xmm0 punpckldq %xmm0, %xmm2 movdqa %xmm2, %xmm0 punpckldq %xmm3, %xmm0 ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109549 91177308-0d34-0410-b5e6-96231b3b80d8		2010-07-27 22:37:06 +00:00
..
Analysis	recommit simplification (originally r109504, backed out in r109508) now that problem in CallSiteBase is fixed	2010-07-27 22:02:00 +00:00
Archive	Eliminate some unnessary Path::exists() calls.	2010-05-27 20:51:54 +00:00
AsmParser	Revert r109361; it's impossible to write a call with an argument with an	2010-07-24 23:06:59 +00:00
Bitcode	Make NamedMDNode not be a subclass of Value, and simplify the interface	2010-07-21 23:38:33 +00:00
CodeGen	It is FE's responsibility to emit proper directory name.	2010-07-27 20:51:15 +00:00
CompilerDriver	Fix silent failure with no input files.	2010-07-27 11:19:40 +00:00
ExecutionEngine	Don't call __register_frame from the JIT on systems that use setjmp/longjmp	2010-07-26 21:58:00 +00:00
Linker	Make NamedMDNode not be a subclass of Value, and simplify the interface	2010-07-21 23:38:33 +00:00
MC	Fix format-specifier warning	2010-07-26 03:55:44 +00:00
Support	Don't pass StringRef by reference.	2010-07-14 22:38:02 +00:00
System	Rather than using an ifdef on the target to zero out fields,	2010-07-14 14:32:33 +00:00
Target	~40% faster vector shl <4 x i32> on SSE 4.1 Larger improvements for smaller types coming in future patches.	2010-07-27 22:37:06 +00:00
Transforms	recommit simplification (r109502, backed out r109509); seems to innocent	2010-07-27 16:44:23 +00:00
VMCore	After updating value handles for RAUW, check that no weak or tracking handles	2010-07-27 06:53:14 +00:00
Makefile