From: Tim Rowley <timothy.o.rowley@intel.com>
Date: Fri, 14 Jul 2017 20:01:35 +0000 (-0500)
Subject: swr: JitManager runtime determination of architecture
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=818209118cdec57afe5046ac31650bbee58177ab;p=mesa.git

swr: JitManager runtime determination of architecture

Fixes performance regression from f50aa21456d - was forcing internal
code generation to target AVX (no gather, etc).

Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>
---

diff --git a/src/gallium/drivers/swr/swr_screen.cpp b/src/gallium/drivers/swr/swr_screen.cpp
index c8ff810e165..e88b4551ae9 100644
--- a/src/gallium/drivers/swr/swr_screen.cpp
+++ b/src/gallium/drivers/swr/swr_screen.cpp
@@ -1140,7 +1140,8 @@ swr_create_screen_internal(struct sw_winsys *winsys)
 
    screen->base.flush_frontbuffer = swr_flush_frontbuffer;
 
-   screen->hJitMgr = JitCreateContext(KNOB_SIMD_WIDTH, KNOB_ARCH_STR, "swr");
+   // Pass in "" for architecture for run-time determination
+   screen->hJitMgr = JitCreateContext(KNOB_SIMD_WIDTH, "", "swr");
 
    swr_fence_init(&screen->base);