llvm-6502

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John McCall 003a09c68d Substantially optimize APFloat::toString() by doing a single large divide to

cut the significand down to the desired precision *before* entering the
core divmod loop.  Makes the overall algorithm logarithmic in the exponent.

There's still a lot of room for improvement here, but this gets the
performance back down to acceptable-for-diagnostics levels, even for
long doubles.
negligible, even on long doubles.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92130 91177308-0d34-0410-b5e6-96231b3b80d8

2009-12-24 12:16:56 +00:00

autoconf

Fix typos. Thanks to John Tytgat for noticing it!

2009-12-07 00:27:35 +00:00

bindings

Fix another parallel make race condition.

2009-12-18 20:12:14 +00:00

cmake

CMake: Update lib deps.

2009-12-19 21:27:30 +00:00

docs

Regenerate.

2009-12-23 12:49:51 +00:00

examples

fix PR5649 by making fib use the JIT instead of the interpreter, patch by Perry Lorier!

2009-12-01 01:56:27 +00:00

include

Add accessors for the largest-magnitude, smallest-magnitude, and

2009-12-24 08:56:26 +00:00

lib

Substantially optimize APFloat::toString() by doing a single large divide to

2009-12-24 12:16:56 +00:00

projects

Move DataTypes.h to include/llvm/System, update all users. This breaks the last

2009-10-26 01:35:46 +00:00

runtime

OptimalEdgeProfiling: Creation of profiles.

2009-09-01 19:03:44 +00:00

test

Testcase for llvm-gcc checkin 92108.

2009-12-24 01:10:43 +00:00

tools

Fix another -Wmismatched-tags warning

2009-12-23 18:27:13 +00:00

unittests

Add accessors for the largest-magnitude, smallest-magnitude, and

2009-12-24 08:56:26 +00:00

utils

Cosmetic issue: more consistent naming.

2009-12-23 12:49:41 +00:00

website

…

Xcode

Remove the IA-64 backend.

2009-07-24 00:30:09 +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

Don't default warnings to ON on MSVC, the spew is enough to triple the build time. :/

2009-12-01 19:11:36 +00:00

configure

Fix typos. Thanks to John Tytgat for noticing it!

2009-12-07 00:27:35 +00:00

CREDITS.TXT

Add myself to the blame list.

2009-08-20 15:20:15 +00:00

LICENSE.TXT

Add regular expression matching support, based on OpenBSD regexec()/regcomp()

2009-08-30 08:24:09 +00:00

llvm.spec.in

…

Makefile

Update install-clang target for clang-cc removal.

2009-12-12 21:17:54 +00:00

Makefile.common

Removed trailing whitespace from Makefiles.

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

Makefile.config.in

Fix typos. Thanks to John Tytgat for noticing it!

2009-12-07 00:27:35 +00:00

Makefile.rules

Add the rest of the build system logic for optional target disassemblers

2009-11-25 04:46:58 +00:00

ModuleInfo.txt

Patch to build llvm with srcdir != objdir from

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

README.txt

First test commit

2009-10-05 22:29:11 +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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