runtime: correct facilities names in s390 CPU support

    
    Patch from Andreas Krebbel.
    
    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/201038

From-SVN: r276964

gcc/go/gofrontend/MERGE

-ed1bd343130ab4907750156d3c04a0cef428bf68
+f71238c0112311e4525a1f4b76d2f80be87d2e62
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.

libgo/go/runtime/os_linux_s390x.go

@@ -16,18 +16,20 @@ const (
 	_HWCAP_S390_DFP    = 64
 	_HWCAP_S390_ETF3EH = 256
 	_HWCAP_S390_VX     = 2048 // vector facility
+	_HWCAP_S390_VXE    = 8192
 )
 
 func archauxv(tag, val uintptr) {
 	switch tag {
 	case _AT_HWCAP: // CPU capability bit flags
-		cpu.S390X.HasZArch = val&_HWCAP_S390_ZARCH != 0
+		cpu.S390X.HasZARCH = val&_HWCAP_S390_ZARCH != 0
 		cpu.S390X.HasSTFLE = val&_HWCAP_S390_STFLE != 0
-		cpu.S390X.HasMSA = val&_HWCAP_S390_MSA != 0
-		cpu.S390X.HasLDisp = val&_HWCAP_S390_LDISP != 0
-		cpu.S390X.HasEImm = val&_HWCAP_S390_EIMM != 0
+		cpu.S390X.HasLDISP = val&_HWCAP_S390_LDISP != 0
+		cpu.S390X.HasEIMM = val&_HWCAP_S390_EIMM != 0
 		cpu.S390X.HasDFP = val&_HWCAP_S390_DFP != 0
-		cpu.S390X.HasETF3Enhanced = val&_HWCAP_S390_ETF3EH != 0
+		cpu.S390X.HasETF3EH = val&_HWCAP_S390_ETF3EH != 0
+		cpu.S390X.HasMSA = val&_HWCAP_S390_MSA != 0
 		cpu.S390X.HasVX = val&_HWCAP_S390_VX != 0
+		cpu.S390X.HasVXE = val&_HWCAP_S390_VXE != 0
 	}
 }