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Revision tags: llvmorg-18.1.8, llvmorg-18.1.7, llvmorg-18.1.6, llvmorg-18.1.5, llvmorg-18.1.4, llvmorg-18.1.3, llvmorg-18.1.2 |
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| #
92d7aca4 |
| 09-Mar-2024 |
Simon Pilgrim <llvm-dev@redking.me.uk> |
[X86] Add missing immediate qualifier to the (V)CMPSS/D instructions (#84496)
Matches (V)CMPPS/D and makes it easier to algorithmically recreate the instruction name in various analysis scripts I'm
[X86] Add missing immediate qualifier to the (V)CMPSS/D instructions (#84496)
Matches (V)CMPPS/D and makes it easier to algorithmically recreate the instruction name in various analysis scripts I'm working on
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Revision tags: llvmorg-18.1.1, llvmorg-18.1.0, llvmorg-18.1.0-rc4, llvmorg-18.1.0-rc3, llvmorg-18.1.0-rc2, llvmorg-18.1.0-rc1, llvmorg-19-init |
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| #
511ba45a |
| 30-Nov-2023 |
Shengchen Kan <shengchen.kan@intel.com> |
[X86][MC][CodeGen] Support EGPR for KMOV (#73781)
KMOV is essential for copy between k-registers and GPRs.
R16-R31 was added into GPRs in #70958, so we extend KMOV for these new
registers first.
[X86][MC][CodeGen] Support EGPR for KMOV (#73781)
KMOV is essential for copy between k-registers and GPRs.
R16-R31 was added into GPRs in #70958, so we extend KMOV for these new
registers first.
This patch
1. Promotes KMOV instructions from VEX space to EVEX space
2. Emits prefix {evex} for the EVEX variants
3. Prefers EVEX variant than VEX variant in ISEL and optimizations for
better RA
EVEX variants will be compressed to VEX variants by existing EVEX2VEX
pass if no EGPR is used.
RFC:
https://discourse.llvm.org/t/rfc-design-for-apx-feature-egpr-and-ndd-support/73031/4
TAG: llvm-test-suite && CPU2017 can be built with feature egpr
successfully.
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