Mesa (master): util: add cpu detection for sse 4.2 and avx
Brian Paul
brianp at kemper.freedesktop.org
Thu Apr 7 19:58:41 UTC 2011
Module: Mesa
Branch: master
Commit: ef2c80f5064b2d1830cea5bbcacde850138d54c4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ef2c80f5064b2d1830cea5bbcacde850138d54c4
Author: Brian Paul <brianp at vmware.com>
Date: Thu Apr 7 13:41:52 2011 -0600
util: add cpu detection for sse 4.2 and avx
---
src/gallium/auxiliary/util/u_cpu_detect.c | 4 ++++
src/gallium/auxiliary/util/u_cpu_detect.h | 2 ++
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/src/gallium/auxiliary/util/u_cpu_detect.c b/src/gallium/auxiliary/util/u_cpu_detect.c
index c9d5a9e..e0c8f73 100644
--- a/src/gallium/auxiliary/util/u_cpu_detect.c
+++ b/src/gallium/auxiliary/util/u_cpu_detect.c
@@ -277,6 +277,8 @@ util_cpu_detect(void)
util_cpu_caps.has_sse3 = (regs2[2] >> 0) & 1; /* 0x0000001 */
util_cpu_caps.has_ssse3 = (regs2[2] >> 9) & 1; /* 0x0000020 */
util_cpu_caps.has_sse4_1 = (regs2[2] >> 19) & 1;
+ util_cpu_caps.has_sse4_2 = (regs2[2] >> 20) & 1;
+ util_cpu_caps.has_avx = (regs2[2] >> 28) & 1;
util_cpu_caps.has_mmx2 = util_cpu_caps.has_sse; /* SSE cpus supports mmxext too */
cacheline = ((regs2[1] >> 8) & 0xFF) * 8;
@@ -329,6 +331,8 @@ util_cpu_detect(void)
debug_printf("util_cpu_caps.has_sse3 = %u\n", util_cpu_caps.has_sse3);
debug_printf("util_cpu_caps.has_ssse3 = %u\n", util_cpu_caps.has_ssse3);
debug_printf("util_cpu_caps.has_sse4_1 = %u\n", util_cpu_caps.has_sse4_1);
+ debug_printf("util_cpu_caps.has_sse4_2 = %u\n", util_cpu_caps.has_sse4_2);
+ debug_printf("util_cpu_caps.has_avx = %u\n", util_cpu_caps.has_avx);
debug_printf("util_cpu_caps.has_3dnow = %u\n", util_cpu_caps.has_3dnow);
debug_printf("util_cpu_caps.has_3dnow_ext = %u\n", util_cpu_caps.has_3dnow_ext);
debug_printf("util_cpu_caps.has_altivec = %u\n", util_cpu_caps.has_altivec);
diff --git a/src/gallium/auxiliary/util/u_cpu_detect.h b/src/gallium/auxiliary/util/u_cpu_detect.h
index f3bef09..856e8d7 100644
--- a/src/gallium/auxiliary/util/u_cpu_detect.h
+++ b/src/gallium/auxiliary/util/u_cpu_detect.h
@@ -53,6 +53,8 @@ struct util_cpu_caps {
unsigned has_sse3:1;
unsigned has_ssse3:1;
unsigned has_sse4_1:1;
+ unsigned has_sse4_2:1;
+ unsigned has_avx:1;
unsigned has_3dnow:1;
unsigned has_3dnow_ext:1;
unsigned has_altivec:1;
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