From dce3a91a8d755e394d80b6d594fb3114eed67e49 Mon Sep 17 00:00:00 2001
From: Keith Whitwell <keith@tungstengraphics.com>
Date: Wed, 8 Jun 2005 21:56:21 +0000
Subject: [PATCH] Add some more opcodes

---
 src/mesa/x86/rtasm/x86sse.c | 101 ++++++++++++++---
 src/mesa/x86/rtasm/x86sse.h | 208 +++++++++++-------------------------
 2 files changed, 149 insertions(+), 160 deletions(-)

diff --git a/src/mesa/x86/rtasm/x86sse.c b/src/mesa/x86/rtasm/x86sse.c
index 4aee89a89a0..90145c164df 100644
--- a/src/mesa/x86/rtasm/x86sse.c
+++ b/src/mesa/x86/rtasm/x86sse.c
@@ -2,7 +2,7 @@
 
 #include "x86sse.h"
 
-#define DISASSEM 0
+#define DISASSEM 1
 #define X86_TWOB 0x0f
 
 /* Emit bytes to the instruction stream:
@@ -21,10 +21,9 @@ static void emit_1i( struct x86_function *p, GLint i0 )
 static void disassem( struct x86_function *p, const char *fn )
 {
 #if DISASSEM
-   static const char *last_fn;
-   if (fn && fn != last_fn) {
+   if (fn && fn != p->fn) {
       _mesa_printf("0x%x: %s\n", p->csr, fn);
-      last_fn = fn;
+      p->fn = fn;
    }
 #endif
 }
@@ -75,7 +74,8 @@ static void emit_modrm( struct x86_function *p,
 
    /* Oh-oh we've stumbled into the SIB thing.
     */
-   if (regmem.idx == reg_SP) {
+   if (regmem.file == file_REG32 &&
+       regmem.idx == reg_SP) {
       emit_1ub_fn(p, 0x24, 0);		/* simplistic! */
    }
 
@@ -357,6 +357,38 @@ void sse_movlps( struct x86_function *p,
 /* SSE operations often only have one format, with dest constrained to
  * be a register:
  */
+void sse_maxps( struct x86_function *p,
+		struct x86_reg dst,
+		struct x86_reg src )
+{
+   emit_2ub(p, X86_TWOB, 0x5F);
+   emit_modrm( p, dst, src );
+}
+
+void sse_divss( struct x86_function *p,
+		struct x86_reg dst,
+		struct x86_reg src )
+{
+   emit_3ub(p, 0xF3, X86_TWOB, 0x5E);
+   emit_modrm( p, dst, src );
+}
+
+void sse_minps( struct x86_function *p,
+		struct x86_reg dst,
+		struct x86_reg src )
+{
+   emit_2ub(p, X86_TWOB, 0x5D);
+   emit_modrm( p, dst, src );
+}
+
+void sse_subps( struct x86_function *p,
+		struct x86_reg dst,
+		struct x86_reg src )
+{
+   emit_2ub(p, X86_TWOB, 0x5C);
+   emit_modrm( p, dst, src );
+}
+
 void sse_mulps( struct x86_function *p,
 		struct x86_reg dst,
 		struct x86_reg src )
@@ -373,6 +405,39 @@ void sse_addps( struct x86_function *p,
    emit_modrm( p, dst, src );
 }
 
+void sse_addss( struct x86_function *p,
+		struct x86_reg dst,
+		struct x86_reg src )
+{
+   emit_3ub(p, 0xF3, X86_TWOB, 0x58);
+   emit_modrm( p, dst, src );
+}
+
+void sse_andps( struct x86_function *p,
+		struct x86_reg dst,
+		struct x86_reg src )
+{
+   emit_2ub(p, X86_TWOB, 0x54);
+   emit_modrm( p, dst, src );
+}
+
+void sse2_rcpss( struct x86_function *p,
+		struct x86_reg dst,
+		struct x86_reg src )
+{
+   emit_3ub(p, 0xF3, X86_TWOB, 0x53);
+   emit_modrm( p, dst, src );
+}
+
+void sse_rsqrtss( struct x86_function *p,
+		  struct x86_reg dst,
+		  struct x86_reg src )
+{
+   emit_3ub(p, 0xF3, X86_TWOB, 0x52);
+   emit_modrm( p, dst, src );
+
+}
+
 void sse_movhlps( struct x86_function *p,
 		  struct x86_reg dst,
 		  struct x86_reg src )
@@ -488,14 +553,11 @@ void x86_test( struct x86_function *p,
 void sse2_pshufd( struct x86_function *p,
 		  struct x86_reg dest,
 		  struct x86_reg arg0,
-		  GLubyte x,
-		  GLubyte y,
-		  GLubyte z,
-		  GLubyte w) 
+		  GLubyte shuf) 
 {
    emit_3ub(p, 0x66, X86_TWOB, 0x70);
    emit_modrm(p, dest, arg0);
-   emit_1ub(p, (x|(y<<2)|(z<<4)|w<<6)); 
+   emit_1ub(p, shuf); 
 }
 
 
@@ -505,14 +567,21 @@ void sse2_pshufd( struct x86_function *p,
 void sse_shufps( struct x86_function *p,
 		 struct x86_reg dest,
 		 struct x86_reg arg0,
-		 GLubyte x,
-		 GLubyte y,
-		 GLubyte z,
-		 GLubyte w) 
+		 GLubyte shuf) 
 {
    emit_2ub(p, X86_TWOB, 0xC6);
    emit_modrm(p, dest, arg0);
-   emit_1ub(p, (x|(y<<2)|(z<<4)|w<<6)); 
+   emit_1ub(p, shuf); 
+}
+
+void sse_cmpps( struct x86_function *p,
+		struct x86_reg dest,
+		struct x86_reg arg0,
+		GLubyte cc) 
+{
+   emit_2ub(p, X86_TWOB, 0xC2);
+   emit_modrm(p, dest, arg0);
+   emit_1ub(p, cc); 
 }
 
 
@@ -541,6 +610,8 @@ void x86_release_func( struct x86_function *p )
 
 void (*x86_get_func( struct x86_function *p ))(void)
 {
+   if (DISASSEM)
+      _mesa_printf("disassemble %p %p\n", p->store, p->csr);
    return (void (*)())p->store;
 }
 
diff --git a/src/mesa/x86/rtasm/x86sse.h b/src/mesa/x86/rtasm/x86sse.h
index 8d48e356479..19f8967a2fa 100644
--- a/src/mesa/x86/rtasm/x86sse.h
+++ b/src/mesa/x86/rtasm/x86sse.h
@@ -22,6 +22,7 @@ struct x86_function {
    GLubyte *csr;
    GLuint stack_offset;
    GLint need_emms;
+   const char *fn;
 };
 
 enum x86_reg_file {
@@ -60,6 +61,17 @@ enum x86_cc {
    cc_NE			/* not equal / not zero */
 };
 
+enum sse_cc {
+   cc_Equal,
+   cc_LessThan,
+   cc_LessThanEqual,
+   cc_Unordered,
+   cc_NotEqual,
+   cc_NotLessThan,
+   cc_NotLessThanEqual,
+   cc_Ordered
+};
+
 #define cc_Z  cc_E
 #define cc_NZ cc_NE
 
@@ -86,8 +98,6 @@ struct x86_reg x86_deref( struct x86_reg reg );
 struct x86_reg x86_get_base_reg( struct x86_reg reg );
 
 
-
-
 /* Labels, jumps and fixup:
  */
 GLubyte *x86_get_label( struct x86_function *p );
@@ -96,162 +106,70 @@ void x86_jcc( struct x86_function *p,
 	      enum x86_cc cc,
 	      GLubyte *label );
 
-/* Always use a 32bit offset for forward jumps:
- */
 GLubyte *x86_jcc_forward( struct x86_function *p,
 			  enum x86_cc cc );
 
-/* Fixup offset from forward jump:
- */
 void x86_fixup_fwd_jump( struct x86_function *p,
 			 GLubyte *fixup );
 
-void x86_push( struct x86_function *p,
-	       struct x86_reg reg );
-
-void x86_pop( struct x86_function *p,
-	      struct x86_reg reg );
-
-void x86_inc( struct x86_function *p,
-	      struct x86_reg reg );
-
-void x86_dec( struct x86_function *p,
-	      struct x86_reg reg );
-
-void x86_ret( struct x86_function *p );
-
-void mmx_emms( struct x86_function *p );
-
-void x86_mov( struct x86_function *p,
-	      struct x86_reg dst,
-	      struct x86_reg src );
-
-void x86_xor( struct x86_function *p,
-	      struct x86_reg dst,
-	      struct x86_reg src );
-
-void x86_cmp( struct x86_function *p,
-	      struct x86_reg dst,
-	      struct x86_reg src );
-
-void sse2_movd( struct x86_function *p,
-		struct x86_reg dst,
-		struct x86_reg src );
-
-void mmx_movd( struct x86_function *p,
-	       struct x86_reg dst,
-	       struct x86_reg src );
-
-void mmx_movq( struct x86_function *p,
-	       struct x86_reg dst,
-	       struct x86_reg src );
-
-void sse_movss( struct x86_function *p,
-		struct x86_reg dst,
-		struct x86_reg src );
-
-void sse_movaps( struct x86_function *p,
-		 struct x86_reg dst,
-		 struct x86_reg src );
-
-void sse_movups( struct x86_function *p,
-		 struct x86_reg dst,
-		 struct x86_reg src );
 
-void sse_movhps( struct x86_function *p,
-		 struct x86_reg dst,
-		 struct x86_reg src );
-
-void sse_movlps( struct x86_function *p,
-		 struct x86_reg dst,
-		 struct x86_reg src );
-
-/* SSE operations often only have one format, with dest constrained to
- * be a register:
- */
-void sse_mulps( struct x86_function *p,
-		struct x86_reg dst,
-		struct x86_reg src );
-
-void sse_addps( struct x86_function *p,
-		struct x86_reg dst,
-		struct x86_reg src );
-
-void sse_movhlps( struct x86_function *p,
-		  struct x86_reg dst,
-		  struct x86_reg src );
-
-void sse_movlhps( struct x86_function *p,
-		  struct x86_reg dst,
-		  struct x86_reg src );
-
-void sse2_cvtps2dq( struct x86_function *p,
-		    struct x86_reg dst,
-		    struct x86_reg src );
-
-void sse2_packssdw( struct x86_function *p,
-		    struct x86_reg dst,
-		    struct x86_reg src );
-
-void sse2_packsswb( struct x86_function *p,
-		    struct x86_reg dst,
-		    struct x86_reg src );
-
-void sse2_packuswb( 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 );
-
-void mmx_packssdw( struct x86_function *p,
-		   struct x86_reg dst,
-		   struct x86_reg src );
-
-void mmx_packuswb( struct x86_function *p,
-		   struct x86_reg dst,
-		   struct x86_reg src );
-
-
-/* Load effective address:
+/* Macro for sse_shufps() and sse2_pshufd():
  */
-void x86_lea( struct x86_function *p,
-	      struct x86_reg dst,
-	      struct x86_reg src );
-
-void x86_test( struct x86_function *p,
-	       struct x86_reg dst,
-	       struct x86_reg src );
+#define SHUF(_x,_y,_z,_w)       (((_x)<<0) | ((_y)<<2) | ((_z)<<4) | ((_w)<<6))
+#define SHUF_NOOP               RSW(0,1,2,3)
+#define GET_SHUF(swz, idx)      (((swz) >> ((idx)*2)) & 0x3)
 
-/* Perform a reduced swizzle in a single sse instruction:
- */
-void sse2_pshufd( struct x86_function *p,
-		  struct x86_reg dest,
-		  struct x86_reg arg0,
-		  GLubyte x,
-		  GLubyte y,
-		  GLubyte z,
-		  GLubyte w );
-
-
-/* Shufps can also be used to implement a reduced swizzle when dest ==
- * arg0.
- */
-void sse_shufps( struct x86_function *p,
-		 struct x86_reg dest,
-		 struct x86_reg arg0,
-		 GLubyte x,
-		 GLubyte y,
-		 GLubyte z,
-		 GLubyte w );
+void mmx_emms( struct x86_function *p );
+void mmx_movd( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void mmx_movq( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void mmx_packssdw( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void mmx_packuswb( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+
+void sse2_cvtps2dq( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse2_movd( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse2_packssdw( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse2_packsswb( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse2_packuswb( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse2_pshufd( struct x86_function *p, struct x86_reg dest, struct x86_reg arg0, GLubyte shuf );
+void sse2_rcpss( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+
+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 );
+void sse_divss( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_andps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_cmpps( struct x86_function *p, struct x86_reg dst, struct x86_reg src, GLubyte cc );
+void sse_maxps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_minps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_movaps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_movhlps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_movhps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_movlhps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_movlps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_movss( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_movups( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_mulps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_subps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_rsqrtss( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_shufps( struct x86_function *p, struct x86_reg dest, struct x86_reg arg0, GLubyte shuf );
+
+void x86_cmp( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void x86_dec( struct x86_function *p, struct x86_reg reg );
+void x86_inc( struct x86_function *p, struct x86_reg reg );
+void x86_lea( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void x86_mov( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void x86_pop( struct x86_function *p, struct x86_reg reg );
+void x86_push( struct x86_function *p, struct x86_reg reg );
+void x86_ret( struct x86_function *p );
+void x86_test( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void x86_xor( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
 
 
 /* Retreive a reference to one of the function arguments, taking into
- * account any push/pop activity:
+ * account any push/pop activity.  Note - doesn't track explict
+ * manipulation of ESP by other instructions.
  */
-struct x86_reg x86_fn_arg( struct x86_function *p,
-			   GLuint arg );
+struct x86_reg x86_fn_arg( struct x86_function *p, GLuint arg );
 
 #endif
 #endif
-- 
2.30.2