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Benjamin Kramer 825892c47f X86: Use btq for bit tests if the immediate can't be encoded in 32 bits.

Before:
	movabsq	$4294967296, %rax       ## encoding: [0x48,0xb8,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00]
	testq	%rax, %rdi              ## encoding: [0x48,0x85,0xf8]
	jne	LBB0_2                  ## encoding: [0x75,A]

After:
	btq	$32, %rdi               ## encoding: [0x48,0x0f,0xba,0xe7,0x20]
	jb	LBB0_2                  ## encoding: [0x72,A]

btq is usually slower than testq because it doesn't fuse with the jump, but here we're better off
saving one register and a giant movabsq.

llvm-svn: 145103

2011-11-23 13:54:17 +00:00

autoconf

Add configure checking for pread(2) and use it to save a syscall when reading files.

2011-11-22 12:31:53 +00:00

bindings

Minor fixes in Makefiles for the OCaml bindings:

2011-11-09 12:00:39 +00:00

cmake

Add configure checking for pread(2) and use it to save a syscall when reading files.

2011-11-22 12:31:53 +00:00

docs

x86/windows issues fixed.

2011-11-17 01:42:23 +00:00

examples

build: Add initial cut at LLVMBuild.txt files.

2011-11-03 18:53:17 +00:00

include

Add configure checking for pread(2) and use it to save a syscall when reading files.

2011-11-22 12:31:53 +00:00

lib

X86: Use btq for bit tests if the immediate can't be encoded in 32 bits.

2011-11-23 13:54:17 +00:00

projects

build: Add initial cut at LLVMBuild.txt files.

2011-11-03 18:53:17 +00:00

runtime

PathProfiling.c: Get rid of using "inline". We may expect compiler shall optimize out "static" scope w/o "inline".

2011-11-08 12:03:14 +00:00

test

X86: Use btq for bit tests if the immediate can't be encoded in 32 bits.

2011-11-23 13:54:17 +00:00

tools

Point to libLTO with -L/PATH/ -lLTO so that it is found in the install

2011-11-23 03:07:25 +00:00

unittests

Fix Windows build, don't try to #include <pthread.h> when we know it's not

2011-11-14 22:10:23 +00:00

utils

Remove some unnecessary filtering checks from X86 disassembler table build.

2011-11-19 05:48:20 +00:00

.gitignore

git: Add tools/lldb to the ignore list.

2011-11-10 22:55:50 +00:00

CMakeLists.txt

Revert r144300 "llvm-config: Replace with C++ version (was llvm-config-2).",

2011-11-10 19:59:35 +00:00

configure

Add configure checking for pread(2) and use it to save a syscall when reading files.

2011-11-22 12:31:53 +00:00

CREDITS.TXT

CREDITS.TXT: Add a line. (test commit)

2011-10-29 23:42:14 +00:00

LICENSE.TXT

…

llvm.spec.in

…

LLVMBuild.txt

build: Add initial cut at LLVMBuild.txt files.

2011-11-03 18:53:17 +00:00

Makefile

build/Make: Define a TARGET_NATIVE_ARCH variable to be a bit more precise than

2011-11-12 00:18:02 +00:00

Makefile.common

…

Makefile.config.in

build/Make: Define a TARGET_NATIVE_ARCH variable to be a bit more precise than

2011-11-12 00:18:02 +00:00

Makefile.rules

build/Make: Switch over to using llvm-config-2 for dependencies one more (hopefully last) time, now that it also builds as a build tool.

2011-11-14 17:17:45 +00:00

README.txt

Undo test commit

2011-11-22 20:05:48 +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.

If you're writing a package for LLVM, see docs/Packaging.html for our
suggestions.

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