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LLVM backend for 6502
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7431c2ba79
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Chris Lattner 7431c2ba79 Teach VMCore to constant fold shufflevectors with constant operands. 
This allows us to compile:

#include <emmintrin.h>
typedef __m128i VSInt16;
typedef short vSInt16 __attribute__ ((__vector_size__ (16)));
VSInt16 t3() {
  return (VSInt16)((vSInt16)_mm_set1_epi16(6518));
}

into:

_t3:
	movaps	LCPI1_0, %xmm0
	ret

instead of:
_t3:
	movl	$6518, %eax
	movd	%eax, %xmm0
	pextrw	$0, %xmm0, %eax
	xorps	%xmm0, %xmm0
	pinsrw	$0, %eax, %xmm0
	punpcklwd	%xmm0, %xmm0
	pshufd	$0, %xmm0, %xmm0
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44856 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-11 07:49:37 +00:00
autoconf Fix PR1836: in the interpreter, read and write apints 2007-12-10 17:43:13 +00:00
bindings Adding Ocaml bindings for the bitreader as requested by Sarah 2007-12-11 00:20:48 +00:00
docs CollectorMetadata and Collector are rejiggered to get along with 2007-12-11 00:30:17 +00:00
examples add a new BF->LLVM translator, contributed by Sterling Stein. 2007-09-12 18:24:00 +00:00
include Add first and really dirty version of generic Trie structure 2007-12-11 06:53:44 +00:00
lib Teach VMCore to constant fold shufflevectors with constant operands. 2007-12-11 07:49:37 +00:00
projects Convert .cvsignore files 2007-06-29 16:35:07 +00:00
runtime GarbageCollection.html is expanded to encompass the coming 2007-09-27 19:31:36 +00:00
test Implement constant folding if vector<->vector bitcasts where the number 2007-12-11 07:29:44 +00:00
tools Fix accidental commit by Bill. 2007-12-09 00:27:38 +00:00
utils Reverting 44702. It wasn't correct to rename them. 2007-12-08 23:58:46 +00:00
website Prepare for "core" website. 2007-08-03 05:43:35 +00:00
win32 Add StringPool + new CodeGen files to win32 build 2007-12-10 19:31:09 +00:00
Xcode Project file maintenance. 2007-12-11 00:29:16 +00:00
build-for-llvm-top.sh Allow the configure options to be set according to the llvm-top options. 2007-08-31 19:53:42 +00:00
configure Fix PR1836: in the interpreter, read and write apints 2007-12-10 17:43:13 +00:00
CREDITS.TXT Alphabetizing; I want to be the last in the file!!!! ;-) 2007-12-05 21:26:54 +00:00
LICENSE.TXT Updated source file headers to llvm coding standard. 2007-12-05 01:40:25 +00:00
llvm.spec.in * llvm.spec.in: update blurb 2007-07-13 09:48:29 +00:00
Makefile Adding ocaml language bindings for the vmcore and bitwriter libraries. These are 2007-09-18 12:49:39 +00:00
Makefile.common Update comments to reflect new variable names. Patch contributed by 2005-02-14 16:02:19 +00:00
Makefile.config.in Providing --with-ocaml-libdir for ./configure. The default is the 2007-10-02 16:42:10 +00:00
Makefile.rules noone uses etags. Connected to PR1601 2007-09-26 06:10:47 +00:00
ModuleInfo.txt Update to include clean and install commands. 2007-07-20 20:54:41 +00:00
README.txt test 2007-04-20 20:49:25 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

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Please see the HTML documentation provided in docs/index.html for further
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