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Benjamin Kramer 1380494168 X86: Don't emit conditional floating point moves on when targeting pre-pentiumpro architectures.

* Model FPSW (the FPU status word) as a register.
* Add ISel patterns for the FUCOM*, FNSTSW and SAHF instructions.
* During Legalize/Lowering, build a node sequence to transfer the comparison
result from FPSW into EFLAGS. If you're wondering about the right-shift: That's
an implicit sub-register extraction (%ax -> %ah) which is handled later on by
the instruction selector.

Fixes PR6679. Patch by Christoph Erhardt!

llvm-svn: 155704

2012-04-27 12:07:43 +00:00

autoconf

Kick off 3.2 cycle for LLVM trunk.

2012-04-20 18:15:07 +00:00

bindings

[python] Add negative MemoryBuffer testcase

2012-03-22 11:23:52 +00:00

cmake

[CMake] Restructure how Clang, Polly and other external projects get included.

2012-04-26 19:43:35 +00:00

docs

Add note about returns_twice magic removal from LLVM itself.

2012-04-26 20:10:07 +00:00

examples

Remove llvm-ld and llvm-stub (which is only used by llvm-ld).

2012-04-19 19:27:54 +00:00

include

Reapply the SmallMap patch with a fix.

2012-04-25 18:01:58 +00:00

lib

X86: Don't emit conditional floating point moves on when targeting pre-pentiumpro architectures.

2012-04-27 12:07:43 +00:00

projects

Update config.sub in the sample project.

2012-04-27 10:27:32 +00:00

runtime

Defensively guard against calling malloc() with a size of zero.

2012-04-26 20:54:27 +00:00

test

X86: Don't emit conditional floating point moves on when targeting pre-pentiumpro architectures.

2012-04-27 12:07:43 +00:00

tools

DumpSegment64Command() wasn't returning correct result. Caught by static analyzer. rdar://11329354

2012-04-26 22:07:28 +00:00

unittests

Fixed SmallMap test. The order of items is undefined in DenseMap. So being checking the increment for big mode, we can only check that all items are in map.

2012-04-26 18:45:24 +00:00

utils

Add ifdef around getSubtargetFeatureName in tablegen output file so that only targets that want the function get it. This prevents other targets from getting an unused function warning.

2012-04-25 06:56:34 +00:00

.gitignore

[docs] Stub out structure for Sphinx-based docs.

2012-04-19 16:31:19 +00:00

CMakeLists.txt

CMake: Prune redundant LLVM_COMPILER_JOBS from llvm/CMakeLists.txt. HandleLLVMOptions.cmake has it.

2012-04-21 14:50:56 +00:00

configure

Kick off 3.2 cycle for LLVM trunk.

2012-04-20 18:15:07 +00:00

CREDITS.TXT

Update woefully stale credits entry. Everything listed there had been

2012-04-17 01:19:37 +00:00

LICENSE.TXT

Add YAML parser to Support.

2012-04-03 23:09:22 +00:00

llvm.spec.in

Tidy up. s/Low Level Virtual Machine/LLVM/.

2012-01-25 22:00:23 +00:00

LLVMBuild.txt

LLVMBuild: Introduce a common section which currently has a list of the

2011-12-12 22:45:54 +00:00

Makefile

When cross compiling, install a host version of llvm-config. <rdar://11187889>

2012-04-19 23:19:55 +00:00

Makefile.common

Removed trailing whitespace from Makefiles.

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

Makefile.config.in

Add profiling support for Intel Parallel Amplifier XE (VTune) for JITted code in LLVM.

2012-03-13 08:33:15 +00:00

Makefile.rules

Remove llvm-ld and llvm-stub (which is only used by llvm-ld).

2012-04-19 19:27:54 +00:00

README.txt

test commit

2012-03-20 13:12:38 +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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