llvm-6502

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Evan Cheng 0b0cd9113a Optimize some 64-bit multiplication by constants into two lea's or one lea + shl since imulq is slow (latency 5). e.g.

x * 40
=>
shlq    $3, %rdi
leaq    (%rdi,%rdi,4), %rax

This has the added benefit of allowing more multiply to be folded into addressing mode. e.g.
a * 24 + b
=>
leaq    (%rdi,%rdi,2), %rax
leaq    (%rsi,%rax,8), %rax


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67917 91177308-0d34-0410-b5e6-96231b3b80d8

2009-03-28 05:57:29 +00:00

autoconf

Revert r66765 and r66766. These were causing build failures on Darwin.

2009-03-12 04:10:09 +00:00

bindings

Fix a parallel make race condition by swapping the order of -I directories.

2009-03-06 00:00:58 +00:00

cmake

CMake: Build system fixes for XCode. llvm-config still causes us some serious trouble, but it's less serious than it used to be

2009-03-16 22:53:26 +00:00

docs

Documentation update.

2009-03-27 12:58:29 +00:00

examples

reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an

2008-11-21 16:42:48 +00:00

include

Optimize some 64-bit multiplication by constants into two lea's or one lea + shl since imulq is slow (latency 5). e.g.

2009-03-28 05:57:29 +00:00

lib

Optimize some 64-bit multiplication by constants into two lea's or one lea + shl since imulq is slow (latency 5). e.g.

2009-03-28 05:57:29 +00:00

projects

Revert r67655 and r67656, as they are breaking the build. I'm

2009-03-25 00:52:11 +00:00

runtime

Drop toy GC runtime.

2009-03-02 03:46:48 +00:00

test

Optimize some 64-bit multiplication by constants into two lea's or one lea + shl since imulq is slow (latency 5). e.g.

2009-03-28 05:57:29 +00:00

tools

Documentation update.

2009-03-27 12:58:29 +00:00

unittests

Converted a1.ll to unittests.

2009-03-24 21:36:09 +00:00

utils

fix a few spelling errors and typos

2009-03-26 16:17:51 +00:00

website

…

win32

Update hand-crafted VC++ build.

2009-02-02 19:22:02 +00:00

Xcode

Remove Stacker.html from Xcode project.

2008-10-14 23:23:59 +00:00

build-for-llvm-top.sh

Patch to build llvm with srcdir != objdir from

2009-01-23 08:42:38 +00:00

CMakeLists.txt

Fix the Win32 VS2008 build:

2009-03-19 23:26:52 +00:00

configure

Revert r66765 and r66766. These were causing build failures on Darwin.

2009-03-12 04:10:09 +00:00

CREDITS.TXT

Adding your's truly to CREDITS.TXT

2009-01-19 15:04:29 +00:00

LICENSE.TXT

Another great year for LLVM!

2009-02-26 15:17:13 +00:00

llvm.spec.in

…

Makefile

Update to account for driver renaming.

2009-03-26 23:43:14 +00:00

Makefile.common

Removed trailing whitespace from Makefiles.

2009-01-09 16:44:42 +00:00

Makefile.config.in

Autodetect the availability of -export-dynamic in the linker.

2009-03-05 08:20:21 +00:00

Makefile.rules

Fix build on MacOS 10.4 systems (suggested by Mike Smith).

2009-03-27 18:18:00 +00:00

ModuleInfo.txt

Patch to build llvm with srcdir != objdir from

2009-01-23 08:42:38 +00:00

README.txt

README.txt: test commit w/blank line appended

2009-03-23 21:00:45 +00:00

README.txt

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

This directory and its subdirectories contain source code for the Low Level 
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments. 

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

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

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