Mesa (gallium-0.2): rtasm: add prefetch instructions

[Zack Rusin]

Module: Mesa
Branch: gallium-0.2
Commit: 66d4beb874606baab95fb6539de895eb373b0ccb
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=66d4beb874606baab95fb6539de895eb373b0ccb

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 3bba9dc..a5abbcd 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_x86sse.c
+++ b/src/gallium/auxiliary/rtasm/rtasm_x86sse.c
@@ -675,6 +675,32 @@ 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 510aa1b..86091e7 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_x86sse.h
+++ b/src/gallium/auxiliary/rtasm/rtasm_x86sse.h
@@ -185,6 +185,11 @@ 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 );