Comment #7 on issue 3589 by [email protected]: Add support for float32
to TurboFan
https://code.google.com/p/v8/issues/detail?id=3589#c7
The following revision refers to this bug:
https://chromium.googlesource.com/v8/v8.git/+/dd402998f1adcd8c0413924bc8aea85955d8b878
commit dd402998f1adcd8c0413924bc8aea85955d8b878
Author: balazs.kilvady <[email protected]>
Date: Mon Mar 30 19:56:30 2015
MIPS: [turbofan] Add backend support for float32 operations.
Port 8dad78cdbd21c2cd02d6e0645313bd4b9983c78e
Original commit message:
This adds the basics necessary to support float32 operations in TurboFan.
The actual functionality required to detect safe float32 operations will
be added based on this later. Therefore this does not affect production
code except for some cleanup/refactoring.
In detail, this patchset contains the following features:
- Add support for float32 operations to arm, arm64, ia32 and x64
backends.
- Add float32 machine operators.
- Add support for float32 constants to simplified lowering.
- Handle float32 representation for phis in simplified lowering.
In addition, contains the following (related) cleanups:
- Fix/unify naming of backend instructions.
- Use AVX comparisons when available.
- Extend ArchOpcodeField to 9 bits (required for arm64).
- Refactor some code duplication in instruction selectors.
BUG=v8:3589
LOG=n
Review URL: https://codereview.chromium.org/1046953004
Cr-Commit-Position: refs/heads/master@{#27531}
[modify]
http://crrev.com/dd402998f1adcd8c0413924bc8aea85955d8b878/src/compiler/mips/code-generator-mips.cc
[modify]
http://crrev.com/dd402998f1adcd8c0413924bc8aea85955d8b878/src/compiler/mips/instruction-codes-mips.h
[modify]
http://crrev.com/dd402998f1adcd8c0413924bc8aea85955d8b878/src/compiler/mips/instruction-selector-mips.cc
[modify]
http://crrev.com/dd402998f1adcd8c0413924bc8aea85955d8b878/src/mips/assembler-mips.cc
[modify]
http://crrev.com/dd402998f1adcd8c0413924bc8aea85955d8b878/src/mips/assembler-mips.h
[modify]
http://crrev.com/dd402998f1adcd8c0413924bc8aea85955d8b878/src/mips/macro-assembler-mips.cc
[modify]
http://crrev.com/dd402998f1adcd8c0413924bc8aea85955d8b878/src/mips/macro-assembler-mips.h
[modify]
http://crrev.com/dd402998f1adcd8c0413924bc8aea85955d8b878/src/mips/simulator-mips.cc
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