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770e106ed6
llvm-6502/lib
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Andrea Di Biagio 770e106ed6 [X86] Teach how to custom lower double-to-half conversions under fast-math. 
This patch teaches the backend how to expand a double-half conversion into
a double-float conversion immediately followed by a float-half conversion.
We do this only under fast-math, and if float-half conversions are legal
for the target.

Added test CodeGen/X86/fastmath-float-half-conversion.ll

Differential Revision: http://reviews.llvm.org/D7832


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230276 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-23 22:59:02 +00:00
..
Analysis Fix bug 22641 2015-02-23 22:55:13 +00:00
AsmParser AsmParser: Check ConstantExpr insertvalue operands for type correctness 2015-02-23 07:13:52 +00:00
Bitcode Use common parse routine to read alignment values from bitcode 2015-02-22 19:32:03 +00:00
CodeGen [X86] Teach how to custom lower double-to-half conversions under fast-math. 2015-02-23 22:59:02 +00:00
DebugInfo Revert "Revert "Raising minimum required CMake version to 2.8.12.2."" 2015-02-23 19:34:04 +00:00
ExecutionEngine Revert "Revert "Raising minimum required CMake version to 2.8.12.2."" 2015-02-23 19:34:04 +00:00
Fuzzer [fuzzer] one more experimental search mode: -use_coverage_pairs=1 2015-02-20 03:02:37 +00:00
IR Fix invalid cast. 2015-02-23 21:51:06 +00:00
IRReader Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
LineEditor Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
Linker Prefer SmallVector::append/insert over push_back loops. 2015-02-17 15:29:18 +00:00
LTO [PM] Remove the old 'PassManager.h' header file at the top level of 2015-02-13 10:01:29 +00:00
MC COFF: Add 'IMAGE_SCN_CNT_INITIALIZED_DATA' to all DWARF sections 2015-02-22 02:35:27 +00:00
Object [obj2yaml/yaml2obj] Add SHT_GROUP support. 2015-02-21 04:28:26 +00:00
Option Prefer SmallVector::append/insert over push_back loops. 2015-02-17 15:29:18 +00:00
ProfileData Disallow implicit conversions from None to integer types 2015-02-20 07:28:28 +00:00
Support Sync the __builtin_expects for our 3 quadratically probed hash table implementations. 2015-02-23 16:41:36 +00:00
TableGen MSVC 2013 does not ICE on this code in the same fashion that MSVC 2012 did; NFC. 2015-02-16 19:33:36 +00:00
Target X86: Use a smaller 'mov' instruction for stack probe calls 2015-02-23 21:50:30 +00:00
Transforms add newline for easier reading; NFC 2015-02-23 21:32:09 +00:00
CMakeLists.txt Reverting r227452, which adds back the fuzzer library. Now excluding the fuzzer library based on LLVM_USE_SANITIZE_COVERAGE being set or unset. 2015-01-29 16:58:29 +00:00
LLVMBuild.txt
Makefile Move DebugInfo to DebugInfo/DWARF. 2015-01-30 18:07:45 +00:00