llvm-project

Author SHA1 Message Date

Author	SHA1	Message	Date
Fangrui Song	056dec5dc8	[Driver][test] Change -target i386-unknown-linux-gnu to --target=i386 and remove unused -o %t.o Use a generic ELF triple to demonstrate that these apply to all ELF OSes. Also migrate away from the legacy `-target ` spelling.	2022-05-26 14:41:04 -07:00
Tianqing Wang	12fa608af4	[X86] Add CRC32 feature. `d8faf03807` implemented general-regs-only for X86 by disabling all features with vector instructions. But the CRC32 instruction in SSE4.2 ISA, which uses only GPRs, also becomes unavailable. This patch adds a CRC32 feature for this instruction and allows it to be used with general-regs-only. Reviewed By: pengfei Differential Revision: https://reviews.llvm.org/D105462	2021-09-06 17:24:30 +08:00

Fangrui Song

056dec5dc8

[Driver][test] Change -target i386-unknown-linux-gnu to --target=i386 and remove unused -o %t.o

Use a generic ELF triple to demonstrate that these apply to all ELF OSes.
Also migrate away from the legacy `-target ` spelling.

2022-05-26 14:41:04 -07:00

Tianqing Wang

12fa608af4

[X86] Add CRC32 feature.

d8faf03807 implemented general-regs-only for X86 by disabling all features
with vector instructions. But the CRC32 instruction in SSE4.2 ISA, which uses
only GPRs, also becomes unavailable. This patch adds a CRC32 feature for this
instruction and allows it to be used with general-regs-only.

Reviewed By: pengfei

Differential Revision: https://reviews.llvm.org/D105462

2021-09-06 17:24:30 +08:00

2 Commits