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* Revert "Revert "[builtins] Rounding mode support for addxf3/subxf3""Yi Kong2019-09-051-0/+59
| | | | | | | | Test failure fixed. This reverts commit e204d244badb2e9765a1020f41c773f63da208f4. llvm-svn: 371003
* Revert "[builtins] Rounding mode support for addxf3/subxf3"Yi Kong2019-03-271-59/+0
| | | | | | | | This reverts commit 2cabea054e40ae2837da959d0ca89ae25cf1b1f1. Test failure on buildbots. llvm-svn: 357048
* [builtins] Rounding mode support for addxf3/subxf3Yi Kong2019-03-261-0/+59
| | | | | | | | | | | | | | | | | Implement rounding mode support for addxf3/subxf3. On architectures that implemented the support, this will access the corresponding floating point environment register to apply the correct rounding. For other architectures, it will keep the current behaviour and use IEEE-754 default rounding mode (to nearest, ties to even). ARM32/AArch64 support implemented in this change. i386 and AMD64 will be added in a follow up change. Differential Revision: https://reviews.llvm.org/D57143 llvm-svn: 357035
* Update more file headers across all of the LLVM projects in the monorepoChandler Carruth2019-01-191-2/+3
| | | | | | | | | | | | | | | | | | to reflect the new license. These used slightly different spellings that defeated my regular expressions. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351648
* [builtins] Implement __chkstk for arm64 windowsMartin Storsjo2017-12-201-0/+34
Differential Revision: https://reviews.llvm.org/D41134 llvm-svn: 321151
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