Mesa (gallium-0.1): rtasm: add prefetch instructions

Keith Whitwell keithw at kemper.freedesktop.org
Thu Oct 2 12:01:20 UTC 2008


Module: Mesa
Branch: gallium-0.1
Commit: 102daee1b8971cf39235e220b9524bec1e4a7089
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=102daee1b8971cf39235e220b9524bec1e4a7089

Author: Keith Whitwell <keith at tungstengraphics.com>
Date:   Thu Oct  2 12:46:01 2008 +0100

rtasm: add prefetch instructions

---

 src/gallium/auxiliary/rtasm/rtasm_x86sse.c |   26 ++++++++++++++++++++++++++
 src/gallium/auxiliary/rtasm/rtasm_x86sse.h |    5 +++++
 2 files changed, 31 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/rtasm/rtasm_x86sse.c b/src/gallium/auxiliary/rtasm/rtasm_x86sse.c
index 6d4c081..9085f4c 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_x86sse.c
+++ b/src/gallium/auxiliary/rtasm/rtasm_x86sse.c
@@ -629,6 +629,32 @@ void x86_and( struct x86_function *p,
  * SSE instructions
  */
 
+void sse_prefetchnta( struct x86_function *p, struct x86_reg ptr)
+{
+   DUMP_R( ptr );
+   assert(ptr.mod != mod_REG);
+   emit_2ub(p, 0x0f, 0x18);
+   emit_modrm_noreg(p, 0, ptr);
+}
+
+void sse_prefetch0( struct x86_function *p, struct x86_reg ptr)
+{
+   DUMP_R( ptr );
+   assert(ptr.mod != mod_REG);
+   emit_2ub(p, 0x0f, 0x18);
+   emit_modrm_noreg(p, 1, ptr);
+}
+
+void sse_prefetch1( struct x86_function *p, struct x86_reg ptr)
+{
+   DUMP_R( ptr );
+   assert(ptr.mod != mod_REG);
+   emit_2ub(p, 0x0f, 0x18);
+   emit_modrm_noreg(p, 2, ptr);
+}
+
+
+
 
 void sse_movss( struct x86_function *p,
 		struct x86_reg dst,
diff --git a/src/gallium/auxiliary/rtasm/rtasm_x86sse.h b/src/gallium/auxiliary/rtasm/rtasm_x86sse.h
index af94577..2d7715f 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_x86sse.h
+++ b/src/gallium/auxiliary/rtasm/rtasm_x86sse.h
@@ -184,6 +184,11 @@ void sse2_pshufd( struct x86_function *p, struct x86_reg dest, struct x86_reg ar
 void sse2_rcpps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
 void sse2_rcpss( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
 
+
+void sse_prefetchnta( struct x86_function *p, struct x86_reg ptr);
+void sse_prefetch0( struct x86_function *p, struct x86_reg ptr);
+void sse_prefetch1( struct x86_function *p, struct x86_reg ptr);
+
 void sse_addps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
 void sse_addss( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
 void sse_cvtps2pi( struct x86_function *p, struct x86_reg dst, struct x86_reg src );




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