crypto/keccak: gate amd64 keccak asm on both BMI1 and BMI2

Sahil-4555 · Sahil-4555 · commit a8c906d6bdcc · 2026-04-08T08:58:00.000+05:30
diff --git a/crypto/keccak/keccakf_amd64.go b/crypto/keccak/keccakf_amd64.go
@@ -8,7 +8,7 @@ import (
 	"golang.org/x/sys/cpu"
 )
 
-func init() { useASM = cpu.X86.HasBMI2 }
+func init() { useASM = cpu.X86.HasBMI2 && cpu.X86.HasBMI1 }
 
 //go:noescape
 func keccakF1600BMI2(a *[200]byte)

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@ import (`
`8`	`8`	`"golang.org/x/sys/cpu"`
`9`	`9`	`)`
`10`	`10`
`11`		`-func init() { useASM = cpu.X86.HasBMI2 }`
	`11`	`+func init() { useASM = cpu.X86.HasBMI2 && cpu.X86.HasBMI1 }`
`12`	`12`
`13`	`13`	`//go:noescape`
`14`	`14`	`func keccakF1600BMI2(a *[200]byte)`