Files
reproxy/vendor/github.com/klauspost/compress/internal/cpuinfo/cpuinfo_amd64.s
dependabot[bot] 8c9d35ed22 Bump the go-modules-updates group across 1 directory with 2 updates
Bumps the go-modules-updates group with 2 updates in the / directory: [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) and [golang.org/x/crypto](https://github.com/golang/crypto).


Updates `github.com/prometheus/client_golang` from 1.19.1 to 1.20.2
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prometheus/client_golang/compare/v1.19.1...v1.20.2)

Updates `golang.org/x/crypto` from 0.24.0 to 0.26.0
- [Commits](https://github.com/golang/crypto/compare/v0.24.0...v0.26.0)

---
updated-dependencies:
- dependency-name: github.com/prometheus/client_golang
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: go-modules-updates
- dependency-name: golang.org/x/crypto
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: go-modules-updates
...

Signed-off-by: dependabot[bot] <support@github.com>
2024-09-01 11:43:25 -05:00

37 lines
562 B
ArmAsm

// +build !appengine
// +build gc
// +build !noasm
#include "textflag.h"
#include "funcdata.h"
#include "go_asm.h"
TEXT ·x86extensions(SB), NOSPLIT, $0
// 1. determine max EAX value
XORQ AX, AX
CPUID
CMPQ AX, $7
JB unsupported
// 2. EAX = 7, ECX = 0 --- see Table 3-8 "Information Returned by CPUID Instruction"
MOVQ $7, AX
MOVQ $0, CX
CPUID
BTQ $3, BX // bit 3 = BMI1
SETCS AL
BTQ $8, BX // bit 8 = BMI2
SETCS AH
MOVB AL, bmi1+0(FP)
MOVB AH, bmi2+1(FP)
RET
unsupported:
XORQ AX, AX
MOVB AL, bmi1+0(FP)
MOVB AL, bmi2+1(FP)
RET