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s390x_features.c cleanup

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Remove detection of unneeded facilities: zarch, n3, exrl, mi3
Rename s390x-vx2 --> s390x-vxe2 to be consistent with VEX_HWCAPS_S390X_VXE2
Change vec2_float.vgtest accordingly
This commit is contained in:
Florian Krohm
2025-11-26 16:50:42 +00:00
parent e7d7d6e997
commit 2020b9914d
2 changed files with 4 additions and 12 deletions
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2
none/tests/s390x/vec2_float.vgtest
View File

@@ -1,2 +1,2 @@
prog: vec2_float
prereq: test -e vec2_float && ../../../tests/s390x_features s390x-vx2
prereq: test -e vec2_float && ../../../tests/s390x_features s390x-vxe2

14
tests/s390x_features.c
View File

@@ -225,22 +225,14 @@ static int go(char *feature, char *cpu)
clear_facilities(facilities);
stfle(facilities);
if (strcmp(feature, "s390x-zarch") == 0 ) {
match = (facilities[0] & FAC_BIT(1)) && (facilities[0] & FAC_BIT(2));
} else if (strcmp(feature, "s390x-n3") == 0 ) {
match = facilities[0] & FAC_BIT(0);
} else if (strcmp(feature, "s390x-exrl") == 0 ) {
match = facilities[0] & FAC_BIT(35);
} else if (strcmp(feature, "s390x-vx") == 0 ) {
if (strcmp(feature, "s390x-vx") == 0 ) {
/* VX needs kernel support; thus check the appropriate HWCAP bit. */
match = GET_HWCAP() & 0x800;
match = (GET_HWCAP() & 0x800) && (facilities[2] & FAC_BIT(1));
} else if (strcmp(feature, "s390x-msa5") == 0 ) {
match = facilities[0] & FAC_BIT(57); /* message security assist 5 facility */
} else if (strcmp(feature, "s390x-mi2") == 0 ) {
match = facilities[0] & FAC_BIT(58);
} else if (strcmp(feature, "s390x-mi3") == 0 ) {
match = facilities[0] & FAC_BIT(61);
} else if (strcmp(feature, "s390x-vx2") == 0 ) {
} else if (strcmp(feature, "s390x-vxe2") == 0 ) {
match = (GET_HWCAP() & 0x800) && (facilities[2] & FAC_BIT(20));
} else {
return 2; // Unrecognised feature.