Mesa (master): util: skip AltiVec detection if built with -maltivec

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Module: Mesa
Branch: master
Commit: 8d2dd1f4f37277092bfb214fae36025c6563bb87
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8d2dd1f4f37277092bfb214fae36025c6563bb87

Author: Jan Beich <jbeich at FreeBSD.org>
Date:   Mon Sep 16 11:26:24 2019 +0000

util: skip AltiVec detection if built with -maltivec

Helps platforms where runtime detection isn't implemented.

Reviewed-by: Matt Turner <mattst88 at gmail.com>
Signed-off-by: Jan Beich <jbeich at FreeBSD.org>

---

 src/util/u_cpu_detect.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/util/u_cpu_detect.c b/src/util/u_cpu_detect.c
index 19b21b0aa44..ae553d88701 100644
--- a/src/util/u_cpu_detect.c
+++ b/src/util/u_cpu_detect.c
@@ -117,7 +117,15 @@ sigill_handler(int sig)
 static void
 check_os_altivec_support(void)
 {
-#if defined(PIPE_OS_APPLE)
+#if defined(__ALTIVEC__)
+   util_cpu_caps.has_altivec = 1;
+#endif
+#if defined(__VSX__)
+   util_cpu_caps.has_vsx = 1;
+#endif
+#if defined(__ALTIVEC__) && defined(__VSX__)
+/* Do nothing */
+#elif defined(PIPE_OS_APPLE)
    int sels[2] = {CTL_HW, HW_VECTORUNIT};
    int has_vu = 0;
    int len = sizeof (has_vu);