remove hasAMX flag

anton-kuklin · anton-kuklin · commit a243dce1a76d · 2023-08-10T13:24:58.000+01:00
diff --git a/cpu/cpu.go b/cpu/cpu.go
@@ -54,7 +54,6 @@ var X86 struct {
 	HasAVX512VBMI2      bool // Advanced vector extension 512 Vector Byte Manipulation Instructions 2
 	HasAVX512BITALG     bool // Advanced vector extension 512 Bit Algorithms
 	HasAVX512BF16       bool // Advanced vector extension 512 BFloat16 Instructions
-	HasAMX              bool // Advanced Matrix Extension
 	HasAMXTile          bool // Advanced Matrix Extension Tile instructions
 	HasAMXInt8          bool // Advanced Matrix Extension Int8 instructions
 	HasAMXBF16          bool // Advanced Matrix Extension BFloat16 instructions
diff --git a/cpu/cpu_x86.go b/cpu/cpu_x86.go
@@ -143,12 +143,9 @@ func archInit() {
 		X86.HasAVX512BF16 = isSet(5, eax71)
 	}
 
-	X86.HasAMX = isSet(24, edx7)
-	if X86.HasAMX {
-		X86.HasAMXTile = true
-		X86.HasAMXInt8 = isSet(25, edx7)
-		X86.HasAMXBF16 = isSet(22, edx7)
-	}
+	X86.HasAMXTile = isSet(24, edx7)
+	X86.HasAMXInt8 = isSet(25, edx7)
+	X86.HasAMXBF16 = isSet(22, edx7)
 }
 
 func isSet(bitpos uint, value uint32) bool {

Original file line number	Diff line number	Diff line change
`@@ -143,12 +143,9 @@ func archInit() {`
`143`	`143`	`X86.HasAVX512BF16 = isSet(5, eax71)`
`144`	`144`	`}`
`145`	`145`
`146`		`- X86.HasAMX = isSet(24, edx7)`
`147`		`- if X86.HasAMX {`
`148`		`- X86.HasAMXTile = true`
`149`		`- X86.HasAMXInt8 = isSet(25, edx7)`
`150`		`- X86.HasAMXBF16 = isSet(22, edx7)`
`151`		`- }`
	`146`	`+ X86.HasAMXTile = isSet(24, edx7)`
	`147`	`+ X86.HasAMXInt8 = isSet(25, edx7)`
	`148`	`+ X86.HasAMXBF16 = isSet(22, edx7)`
`152`	`149`	`}`
`153`	`150`
`154`	`151`	`func isSet(bitpos uint, value uint32) bool {`