Add tgsi_sse2.

4 files changed, 1755 insertions, 2 deletions

diff --git a/src/mesa/pipe/tgsi/exec/tgsi_core.h b/src/mesa/pipe/tgsi/exec/tgsi_core.h
index 1f5f00a38e..30ad801b6e 100644
--- a/src/mesa/pipe/tgsi/exec/tgsi_core.h
+++ b/src/mesa/pipe/tgsi/exec/tgsi_core.h
@@ -7,6 +7,7 @@
 #include "tgsi_exec.h"
 #include "tgsi_dump.h"
 #include "tgsi_util.h"
+#include "tgsi_sse2.h"
 
 #endif // !defined TGSI_CORE_H
 
diff --git a/src/mesa/pipe/tgsi/exec/tgsi_sse2.c b/src/mesa/pipe/tgsi/exec/tgsi_sse2.c
new file mode 100755
index 0000000000..36d9b86f75
--- /dev/null
+++ b/src/mesa/pipe/tgsi/exec/tgsi_sse2.c
@@ -0,0 +1,1730 @@
+#include "tgsi_platform.h"
+#include "tgsi_core.h"
+
+#if defined USE_X86_ASM
+
+#define FOR_EACH_CHANNEL( CHAN )\
+   for( CHAN = 0; CHAN < 4; CHAN++ )
+
+#define IS_DST0_CHANNEL_ENABLED( INST, CHAN )\
+   ((INST).FullDstRegisters[0].DstRegister.WriteMask & (1 << (CHAN)))
+
+#define IF_IS_DST0_CHANNEL_ENABLED( INST, CHAN )\
+   if( IS_DST0_CHANNEL_ENABLED( INST, CHAN ))
+
+#define FOR_EACH_DST0_ENABLED_CHANNEL( INST, CHAN )\
+   FOR_EACH_CHANNEL( CHAN )\
+      IF_IS_DST0_CHANNEL_ENABLED( INST, CHAN )
+
+#define CHAN_X 0
+#define CHAN_Y 1
+#define CHAN_Z 2
+#define CHAN_W 3
+
+#define ALIGN16( ADDR ) (((ADDR) + 15) & ~15)
+
+static struct x86_reg
+get_argument(
+   unsigned index )
+{
+   return x86_make_disp(
+      x86_make_reg( file_REG32, reg_SP ),
+      (index + 1) * 4 );
+}
+
+static struct x86_reg
+make_xmm(
+   unsigned xmm )
+{
+   return x86_make_reg(
+      file_XMM,
+      (enum x86_reg_name) xmm );
+}
+
+static struct x86_reg
+get_const_base( void )
+{
+   return x86_make_reg(
+      file_REG32,
+      reg_CX );
+}
+
+static struct x86_reg
+get_const(
+   unsigned vec,
+   unsigned chan )
+{
+   return x86_make_disp(
+      get_const_base(),
+      (vec * 4 + chan) * 4 );
+}
+
+static struct x86_reg
+get_input_base( void )
+{
+   return x86_make_reg(
+      file_REG32,
+      reg_AX );
+}
+
+static struct x86_reg
+get_input(
+   unsigned vec,
+   unsigned chan )
+{
+   return x86_make_disp(
+      get_input_base(),
+      (vec * 4 + chan) * 16 );
+}
+
+static struct x86_reg
+get_output_base( void )
+{
+   return x86_make_reg(
+      file_REG32,
+      reg_DX );
+}
+
+static struct x86_reg
+get_output(
+   unsigned vec,
+   unsigned chan )
+{
+   return x86_make_disp(
+      get_output_base(),
+      (vec * 4 + chan) * 16 );
+}
+
+static struct x86_reg
+get_temp_base( void )
+{
+   return x86_make_reg(
+      file_REG32,
+      reg_BX );
+}
+
+static struct x86_reg
+get_temp(
+   unsigned vec,
+   unsigned chan )
+{
+   return x86_make_disp(
+      get_temp_base(),
+      (vec * 4 + chan) * 16 );
+}
+
+static struct x86_reg
+get_addr(
+   unsigned vec,
+   unsigned chan )
+{
+   return get_temp(
+      vec + TGSI_EXEC_NUM_TEMPS,
+      chan );
+}
+
+static void
+emit_const(
+   struct x86_function *func,
+   unsigned xmm,
+   unsigned vec,
+   unsigned chan )
+{
+   sse_movss(
+      func,
+      make_xmm( xmm ),
+      get_const( vec, chan ) );
+   sse_shufps(
+      func,
+      make_xmm( xmm ),
+      make_xmm( xmm ),
+      SHUF( 0, 0, 0, 0 ) );
+}
+
+static void
+emit_input(
+   struct x86_function *func,
+   unsigned xmm,
+   unsigned vec,
+   unsigned chan )
+{
+   sse_movups(
+      func,
+      make_xmm( xmm ),
+      get_input( vec, chan ) );
+}
+
+static void
+emit_output(
+   struct x86_function *func,
+   unsigned xmm,
+   unsigned vec,
+   unsigned chan )
+{
+   sse_movups(
+      func,
+      get_output( vec, chan ),
+      make_xmm( xmm ) );
+}
+
+static void
+emit_tempf(
+   struct x86_function *func,
+   unsigned xmm,
+   unsigned vec,
+   unsigned chan )
+{
+   sse_movaps(
+      func,
+      make_xmm( xmm ),
+      get_temp( vec, chan ) );
+}
+
+static void
+emit_temps (struct x86_function *func,
+            unsigned xmm,
+            unsigned vec,
+            unsigned chan)
+{
+    sse_movaps (func,
+                get_temp (vec, chan),
+                make_xmm (xmm));
+}
+
+static void
+emit_addrf( struct x86_function *func,
+	    unsigned xmm,
+	    unsigned vec,
+	    unsigned chan )
+{
+   emit_tempf( func, xmm, vec + TGSI_EXEC_NUM_TEMPS, chan );
+}
+
+static void
+emit_addrs( struct x86_function *func,
+	    unsigned xmm,
+	    unsigned vec,
+	    unsigned chan )
+{
+   emit_temps( func, xmm, vec + TGSI_EXEC_NUM_TEMPS, chan );
+}
+
+static void
+emit_abs (struct x86_function *func,
+          unsigned xmm)
+{
+    sse_andps (func,
+               make_xmm (xmm),
+               get_temp (TGSI_EXEC_TEMP_7FFFFFFF_I,
+                         TGSI_EXEC_TEMP_7FFFFFFF_C));
+}
+
+static void
+emit_neg (struct x86_function *func,
+          unsigned xmm)
+{
+    sse_xorps (func,
+               make_xmm (xmm),
+               get_temp (TGSI_EXEC_TEMP_80000000_I,
+                         TGSI_EXEC_TEMP_80000000_C));
+}
+
+static void
+emit_setsign (struct x86_function *func,
+              unsigned xmm)
+{
+    sse_orps (func,
+              make_xmm (xmm),
+              get_temp (TGSI_EXEC_TEMP_80000000_I,
+                        TGSI_EXEC_TEMP_80000000_C));
+}
+
+static void
+emit_add (struct x86_function *func,
+          unsigned xmm_dst,
+          unsigned xmm_src)
+{
+    sse_addps (func,
+               make_xmm (xmm_dst),
+               make_xmm (xmm_src));
+}
+
+static GLfloat g_cos_storage[4 + 3];
+
+static void
+cos4f (void)
+{
+    GLfloat *store = (GLfloat *) ALIGN16((unsigned) g_cos_storage);
+
+#ifdef WIN32
+    store[0] = (GLfloat) cos ((GLdouble) store[0]);
+    store[1] = (GLfloat) cos ((GLdouble) store[1]);
+    store[2] = (GLfloat) cos ((GLdouble) store[2]);
+    store[3] = (GLfloat) cos ((GLdouble) store[3]);
+#else
+    store[0] = cosf (store[0]);
+    store[1] = cosf (store[1]);
+    store[2] = cosf (store[2]);
+    store[3] = cosf (store[3]);
+#endif
+}
+
+static void
+emit_cos (struct x86_function *func,
+          unsigned xmm_dst)
+{
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_mov_reg_imm (func,
+                     x86_make_reg (file_REG32, reg_AX),
+                     ALIGN16((GLint) g_cos_storage));
+    sse_movaps (func,
+                x86_deref (x86_make_reg (file_REG32, reg_AX)),
+                make_xmm (xmm_dst));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_BX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_CX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_DX));
+    x86_call (func,
+              (GLubyte *) cos4f);
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_DX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_CX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_BX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+    sse_movaps (func,
+                make_xmm (xmm_dst),
+                x86_deref (x86_make_reg (file_REG32, reg_AX)));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+}
+
+static GLfloat g_sin_storage[4 + 3];
+
+static void
+sin4f (void)
+{
+    GLfloat *store = (GLfloat *) ALIGN16((unsigned) g_sin_storage);
+
+#ifdef WIN32
+    store[0] = (GLfloat) sin ((GLdouble) store[0]);
+    store[1] = (GLfloat) sin ((GLdouble) store[1]);
+    store[2] = (GLfloat) sin ((GLdouble) store[2]);
+    store[3] = (GLfloat) sin ((GLdouble) store[3]);
+#else
+    store[0] = sin (store[0]);
+    store[1] = sin (store[1]);
+    store[2] = sin (store[2]);
+    store[3] = sin (store[3]);
+#endif
+}
+
+static void
+emit_sin (struct x86_function *func,
+          unsigned xmm_dst)
+{
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_mov_reg_imm (func,
+                     x86_make_reg (file_REG32, reg_AX),
+                     ALIGN16((GLint) g_sin_storage));
+    sse_movaps (func,
+                x86_deref (x86_make_reg (file_REG32, reg_AX)),
+                make_xmm (xmm_dst));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_BX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_CX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_DX));
+    x86_call (func,
+              (GLubyte *) sin4f);
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_DX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_CX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_BX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+    sse_movaps (func,
+                make_xmm (xmm_dst),
+                x86_deref (x86_make_reg (file_REG32, reg_AX)));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+}
+
+static void
+emit_mov (struct x86_function *func,
+          unsigned xmm_dst,
+          unsigned xmm_src)
+{
+    sse_movups (func,
+                make_xmm (xmm_dst),
+                make_xmm (xmm_src));
+}
+
+static void
+emit_mul (struct x86_function *func,
+          unsigned xmm_dst,
+          unsigned xmm_src)
+{
+    sse_mulps (func,
+               make_xmm (xmm_dst),
+               make_xmm (xmm_src));
+}
+
+static GLfloat g_pow_storage[4 + 4 + 3];
+
+static void
+pow4f (void)
+{
+    GLfloat *store = (GLfloat *) ALIGN16((unsigned) g_pow_storage);
+
+#ifdef WIN32
+    store[0] = (GLfloat) pow ((GLdouble) store[0], (GLdouble) store[4]);
+    store[1] = (GLfloat) pow ((GLdouble) store[1], (GLdouble) store[5]);
+    store[2] = (GLfloat) pow ((GLdouble) store[2], (GLdouble) store[6]);
+    store[3] = (GLfloat) pow ((GLdouble) store[3], (GLdouble) store[7]);
+#else
+    store[0] = powf (store[0], store[4]);
+    store[1] = powf (store[1], store[5]);
+    store[2] = powf (store[2], store[6]);
+    store[3] = powf (store[3], store[7]);
+#endif
+}
+
+static void
+emit_pow (struct x86_function *func,
+          unsigned xmm_dst,
+          unsigned xmm_src)
+{
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_mov_reg_imm (func,
+                     x86_make_reg (file_REG32, reg_AX),
+                     ALIGN16((GLint) g_pow_storage));
+    sse_movaps (func,
+                x86_make_disp (x86_make_reg (file_REG32, reg_AX), 0),
+                make_xmm (xmm_dst));
+    sse_movaps (func,
+                x86_make_disp (x86_make_reg (file_REG32, reg_AX), 16),
+                make_xmm (xmm_src));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_BX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_CX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_DX));
+    x86_call (func,
+              (GLubyte *) pow4f);
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_DX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_CX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_BX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+    sse_movaps (func,
+                make_xmm (xmm_dst),
+                x86_deref (x86_make_reg (file_REG32, reg_AX)));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+}
+
+static GLfloat g_ex2_storage[4 + 3];
+
+static void
+ex24f (void)
+{
+    GLfloat *store = (GLfloat *) ALIGN16((unsigned) g_ex2_storage);
+
+    store[0] = (GLfloat) pow (2.0, (GLdouble) store[0]);
+    store[1] = (GLfloat) pow (2.0, (GLdouble) store[1]);
+    store[2] = (GLfloat) pow (2.0, (GLdouble) store[2]);
+    store[3] = (GLfloat) pow (2.0, (GLdouble) store[3]);
+}
+
+static void
+emit_ex2 (struct x86_function *func,
+          unsigned xmm_dst)
+{
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_mov_reg_imm (func,
+                     x86_make_reg (file_REG32, reg_AX),
+                     ALIGN16((GLint) g_ex2_storage));
+    sse_movaps (func,
+                x86_deref (x86_make_reg (file_REG32, reg_AX)),
+                make_xmm (xmm_dst));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_BX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_CX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_DX));
+    x86_call (func,
+              (GLubyte *) ex24f);
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_DX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_CX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_BX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+    sse_movaps (func,
+                make_xmm (xmm_dst),
+                x86_deref (x86_make_reg (file_REG32, reg_AX)));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+}
+
+static GLfloat g_lg2_storage[4 + 3];
+
+static void
+lg24f (void)
+{
+    GLfloat *store = (GLfloat *) ALIGN16((unsigned) g_lg2_storage);
+
+    store[0] = LOG2 (store[0]);
+    store[1] = LOG2 (store[1]);
+    store[2] = LOG2 (store[2]);
+    store[3] = LOG2 (store[3]);
+}
+
+static void
+emit_lg2 (struct x86_function *func,
+          unsigned xmm_dst)
+{
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_mov_reg_imm (func,
+                     x86_make_reg (file_REG32, reg_AX),
+                     ALIGN16((GLint) g_lg2_storage));
+    sse_movaps (func,
+                x86_deref (x86_make_reg (file_REG32, reg_AX)),
+                make_xmm (xmm_dst));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_BX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_CX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_DX));
+    x86_call (func,
+              (GLubyte *) lg24f);
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_DX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_CX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_BX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+    sse_movaps (func,
+                make_xmm (xmm_dst),
+                x86_deref (x86_make_reg (file_REG32, reg_AX)));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+}
+
+static GLfloat g_flr_storage[4 + 3];
+
+static void
+flr4f (void)
+{
+    GLfloat *store = (GLfloat *) ALIGN16((unsigned) g_flr_storage);
+
+    store[0] = (GLfloat) floor ((GLdouble) store[0]);
+    store[1] = (GLfloat) floor ((GLdouble) store[1]);
+    store[2] = (GLfloat) floor ((GLdouble) store[2]);
+    store[3] = (GLfloat) floor ((GLdouble) store[3]);
+}
+
+static void
+emit_flr (struct x86_function *func,
+          unsigned xmm_dst)
+{
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_mov_reg_imm (func,
+                     x86_make_reg (file_REG32, reg_AX),
+                     ALIGN16((GLint) g_flr_storage));
+    sse_movaps (func,
+                x86_deref (x86_make_reg (file_REG32, reg_AX)),
+                make_xmm (xmm_dst));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_BX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_CX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_DX));
+    x86_call (func,
+              (GLubyte *) flr4f);
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_DX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_CX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_BX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+    sse_movaps (func,
+                make_xmm (xmm_dst),
+                x86_deref (x86_make_reg (file_REG32, reg_AX)));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+}
+
+static GLfloat g_frc_storage[4 + 3];
+
+static void
+frc4f (void)
+{
+    GLfloat *store = (GLfloat *) ALIGN16((unsigned) g_frc_storage);
+
+    store[0] -= (GLfloat) floor ((GLdouble) store[0]);
+    store[1] -= (GLfloat) floor ((GLdouble) store[1]);
+    store[2] -= (GLfloat) floor ((GLdouble) store[2]);
+    store[3] -= (GLfloat) floor ((GLdouble) store[3]);
+}
+
+static void
+emit_frc (struct x86_function *func,
+          unsigned xmm_dst)
+{
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_mov_reg_imm (func,
+                     x86_make_reg (file_REG32, reg_AX),
+                     ALIGN16((GLint) g_frc_storage));
+    sse_movaps (func,
+                x86_deref (x86_make_reg (file_REG32, reg_AX)),
+                make_xmm (xmm_dst));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_BX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_CX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_DX));
+    x86_call (func,
+              (GLubyte *) frc4f);
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_DX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_CX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_BX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+    sse_movaps (func,
+                make_xmm (xmm_dst),
+                x86_deref (x86_make_reg (file_REG32, reg_AX)));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+}
+
+static void
+emit_rcp (struct x86_function *func,
+          unsigned xmm_dst,
+          unsigned xmm_src)
+{
+    sse2_rcpps (func,
+                make_xmm (xmm_dst),
+                make_xmm (xmm_src));
+}
+
+static void
+emit_rsqrt (struct x86_function *func,
+            unsigned xmm_dst,
+            unsigned xmm_src)
+{
+    sse_rsqrtps (func,
+                 make_xmm (xmm_dst),
+                 make_xmm (xmm_src));
+}
+
+static void
+emit_sub (struct x86_function *func,
+          unsigned xmm_dst,
+          unsigned xmm_src)
+{
+    sse_subps (func,
+               make_xmm (xmm_dst),
+               make_xmm (xmm_src));
+}
+
+static void
+emit_fetch (struct x86_function *func,
+            unsigned xmm,
+            const struct tgsi_full_src_register *reg,
+            const unsigned chan_index)
+{
+    unsigned swizzle = tgsi_util_get_full_src_register_extswizzle (reg, chan_index);
+
+    switch (swizzle)
+    {
+    case TGSI_EXTSWIZZLE_X:
+    case TGSI_EXTSWIZZLE_Y:
+    case TGSI_EXTSWIZZLE_Z:
+    case TGSI_EXTSWIZZLE_W:
+        switch (reg->SrcRegister.File)
+        {
+        case TGSI_FILE_CONSTANT:
+            emit_const (func, xmm, reg->SrcRegister.Index, swizzle);
+            break;
+
+        case TGSI_FILE_INPUT:
+            emit_input (func, xmm, reg->SrcRegister.Index, swizzle);
+            break;
+
+        case TGSI_FILE_TEMPORARY:
+            emit_tempf (func, xmm, reg->SrcRegister.Index, swizzle);
+            break;
+
+        default:
+            assert (0);
+        }
+        break;
+
+    case TGSI_EXTSWIZZLE_ZERO:
+        emit_tempf (func,
+                    xmm,
+                    TGSI_EXEC_TEMP_00000000_I,
+                    TGSI_EXEC_TEMP_00000000_C);
+        break;
+
+    case TGSI_EXTSWIZZLE_ONE:
+        emit_tempf (func,
+                    xmm,
+                    TGSI_EXEC_TEMP_ONE_I,
+                    TGSI_EXEC_TEMP_ONE_C);
+        break;
+
+    default:
+        assert (0);
+    }
+
+    switch (tgsi_util_get_full_src_register_sign_mode (reg, chan_index))
+    {
+    case TGSI_UTIL_SIGN_CLEAR:
+        emit_abs (func, xmm);
+        break;
+
+    case TGSI_UTIL_SIGN_SET:
+        emit_setsign (func, xmm);
+        break;
+
+    case TGSI_UTIL_SIGN_TOGGLE:
+        emit_neg (func, xmm);
+        break;
+
+    case TGSI_UTIL_SIGN_KEEP:
+        break;
+    }
+}
+
+static void
+emit_store (struct x86_function *func,
+            unsigned xmm,
+            const struct tgsi_full_dst_register *reg,
+            const struct tgsi_full_instruction *inst,
+            unsigned chan_index)
+{
+    switch (reg->DstRegister.File)
+    {
+    case TGSI_FILE_OUTPUT:
+        emit_output (func, xmm, reg->DstRegister.Index, chan_index);
+        break;
+
+    case TGSI_FILE_TEMPORARY:
+        emit_temps (func, xmm, reg->DstRegister.Index, chan_index);
+        break;
+
+   case TGSI_FILE_ADDRESS:
+      emit_addrs( func, xmm, reg->DstRegister.Index, chan_index );
+      break;
+
+    default:
+        assert (0);
+    }
+
+    switch (inst->Instruction.Saturate)
+    {
+    case TGSI_SAT_NONE:
+        break;
+
+    case TGSI_SAT_ZERO_ONE:
+//        assert (0);
+        break;
+
+    case TGSI_SAT_MINUS_PLUS_ONE:
+        assert (0);
+        break;
+    }
+}
+
+#define FETCH(XMM,INDEX,CHAN)\
+    emit_fetch (func, XMM, &inst->FullSrcRegisters[INDEX], CHAN)
+
+#define STORE(XMM,INDEX,CHAN)\
+    emit_store (func, XMM, &inst->FullDstRegisters[INDEX], inst, CHAN)
+
+static void
+emit_kil (struct x86_function *func,
+          const struct tgsi_full_src_register *reg)
+{
+    unsigned uniquemask;
+    unsigned registers[4];
+    unsigned nextregister = 0;
+    unsigned firstchan = ~0;
+    unsigned chan_index;
+
+    /* This mask stores component bits that were already tested. Note that
+     * we test if the value is less than zero, so 1.0 and 0.0 need not to be
+     * tested. */
+    uniquemask = (1 << TGSI_EXTSWIZZLE_ZERO) | (1 << TGSI_EXTSWIZZLE_ONE);
+
+    for (chan_index = 0; chan_index < 4; chan_index++)
+    {
+        unsigned swizzle;
+
+        /* unswizzle channel */
+        swizzle = tgsi_util_get_full_src_register_extswizzle (reg, chan_index);
+
+        /* check if the component has not been already tested */
+        if (!(uniquemask & (1 << swizzle)))
+        {
+            uniquemask |= 1 << swizzle;
+
+            /* allocate register */
+            registers[chan_index] = nextregister;
+            emit_fetch (func, nextregister, reg, chan_index);
+            nextregister++;
+
+            /* mark the first channel used */
+            if (firstchan == ~0)
+                firstchan = chan_index;
+        }
+    }
+
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_AX));
+    x86_push (func,
+              x86_make_reg (file_REG32, reg_DX));
+
+    for (chan_index = 0; chan_index < 4; chan_index++)
+    {
+        if (uniquemask & (1 << chan_index))
+        {
+            sse_cmpps (func,
+                       make_xmm (registers[chan_index]),
+                       get_temp (TGSI_EXEC_TEMP_00000000_I,
+                                 TGSI_EXEC_TEMP_00000000_C),
+                       cc_LessThan);
+
+            if (chan_index == firstchan)
+            {
+                sse_pmovmskb (func,
+                              x86_make_reg (file_REG32, reg_AX),
+                              make_xmm (registers[chan_index]));
+            }
+            else
+            {
+                sse_pmovmskb (func,
+                              x86_make_reg (file_REG32, reg_DX),
+                              make_xmm (registers[chan_index]));
+                x86_or (func,
+                        x86_make_reg (file_REG32, reg_AX),
+                        x86_make_reg (file_REG32, reg_DX));
+            }
+        }
+    }
+
+    x86_or (func,
+            get_temp(TGSI_EXEC_TEMP_KILMASK_I,
+                     TGSI_EXEC_TEMP_KILMASK_C),
+            x86_make_reg (file_REG32, reg_AX));
+
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_DX));
+    x86_pop (func,
+             x86_make_reg (file_REG32, reg_AX));
+}
+
+static void
+emit_setcc (struct x86_function *func,
+            struct tgsi_full_instruction *inst,
+            enum sse_cc cc)
+{
+    unsigned chan_index;
+
+    FOR_EACH_ENABLED_CHANNEL
+    {
+        emit_fetch (func, 0, &inst->FullSrcRegisters[0], chan_index);
+        emit_fetch (func, 1, &inst->FullSrcRegisters[1], chan_index);
+
+        sse_cmpps (func,
+                   make_xmm (0),
+                   make_xmm (1),
+                   cc);
+
+        sse_andps (func,
+                   make_xmm (0),
+                   get_temp (TGSI_EXEC_TEMP_ONE_I,
+                             TGSI_EXEC_TEMP_ONE_C));
+
+        emit_store (func, 0, &inst->FullDstRegisters[0], inst, chan_index);
+    }
+}
+
+static void
+emit_cmp (struct x86_function *func,
+          struct tgsi_full_instruction *inst)
+{
+    unsigned chan_index;
+
+    FOR_EACH_ENABLED_CHANNEL
+    {
+        emit_fetch (func, 0, &inst->FullSrcRegisters[0], chan_index);
+        emit_fetch (func, 1, &inst->FullSrcRegisters[1], chan_index);
+        emit_fetch (func, 2, &inst->FullSrcRegisters[2], chan_index);
+
+        sse_cmpps (func,
+                   make_xmm (0),
+                   get_temp (TGSI_EXEC_TEMP_00000000_I,
+                             TGSI_EXEC_TEMP_00000000_C),
+                   cc_LessThan);
+
+        sse_andps (func,
+                   make_xmm (1),
+                   make_xmm (0));
+        sse_andnps (func,
+                    make_xmm (0),
+                    make_xmm (2));
+        sse_orps (func,
+                  make_xmm (0),
+                  make_xmm (1));
+
+        emit_store (func, 0, &inst->FullDstRegisters[0], inst, chan_index);
+    }
+}
+
+static void
+emit_f2it( struct x86_function *func,
+	   unsigned xmm )
+{
+   sse2_cvttps2dq( func, make_xmm( xmm ), make_xmm( xmm ) );
+}
+
+static void
+emit_instruction (struct x86_function *func,
+                  struct tgsi_full_instruction *inst)
+{
+    unsigned chan_index;
+
+   switch (inst->Instruction.Opcode) {
+   case TGSI_OPCODE_ARL:
+      FOR_EACH_ENABLED_CHANNEL {
+	 FETCH( 0, 0, chan_index );
+	 emit_f2it( func, 0 );
+	 STORE( 0, 0, chan_index );
+      }
+      break;
+
+    case TGSI_OPCODE_MOV:
+    /* TGSI_OPCODE_SWZ */
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            FETCH(0, 0, chan_index);
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_LIT:
+        if (IS_CHANNEL_ENABLED(CHAN_X) || IS_CHANNEL_ENABLED(CHAN_W))
+        {
+            emit_tempf (func, 0, TGSI_EXEC_TEMP_ONE_I, TGSI_EXEC_TEMP_ONE_C);
+            if (IS_CHANNEL_ENABLED(CHAN_X))
+                STORE(0, 0, CHAN_X);
+            if (IS_CHANNEL_ENABLED(CHAN_W))
+                STORE(0, 0, CHAN_W);
+        }
+        if (IS_CHANNEL_ENABLED(CHAN_Y) || IS_CHANNEL_ENABLED(CHAN_Z))
+        {
+            if (IS_CHANNEL_ENABLED(CHAN_Y))
+            {
+                FETCH(0, 0, CHAN_X);
+                sse_maxps (func,
+                           make_xmm (0),
+                           get_temp (TGSI_EXEC_TEMP_00000000_I,
+                                     TGSI_EXEC_TEMP_00000000_C));
+                STORE(0, 0, CHAN_Y);
+            }
+            if (IS_CHANNEL_ENABLED(CHAN_Z))
+            {
+                FETCH(1, 0, CHAN_Y);
+                sse_maxps (func,
+                           make_xmm (1),
+                           get_temp (TGSI_EXEC_TEMP_00000000_I,
+                                     TGSI_EXEC_TEMP_00000000_C));
+
+                FETCH(2, 0, CHAN_W);
+                sse_minps (func,
+                           make_xmm (2),
+                           get_temp (TGSI_EXEC_TEMP_128_I,
+                                     TGSI_EXEC_TEMP_128_C));
+                sse_maxps (func,
+                           make_xmm (2),
+                           get_temp (TGSI_EXEC_TEMP_MINUS_128_I,
+                                     TGSI_EXEC_TEMP_MINUS_128_C));
+
+                emit_pow (func, 1, 2);
+
+                FETCH(0, 0, CHAN_X);
+                sse_xorps (func, make_xmm (2), make_xmm (2));
+                sse_cmpps (func,
+                           make_xmm (2),
+                           make_xmm (0),
+                           cc_LessThanEqual);
+                sse_andps (func,
+                           make_xmm (2),
+                           make_xmm (1));
+
+                emit_store (func, 2, &inst->FullDstRegisters[0], inst, CHAN_Z);
+            }
+        }
+        break;
+
+    case TGSI_OPCODE_RCP:
+    /* TGSI_OPCODE_RECIP */
+        FETCH(0, 0, CHAN_X);
+        emit_rcp (func, 0, 0);
+
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_RSQ:
+    /* TGSI_OPCODE_RECIPSQRT */
+        FETCH(0, 0, CHAN_X);
+        emit_rsqrt (func, 0, 0);
+
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_EXP:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_LOG:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_MUL:
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            FETCH(0, 0, chan_index);
+            FETCH(1, 1, chan_index);
+            emit_mul (func, 0, 1);
+
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_ADD:
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            FETCH(0, 0, chan_index);
+            FETCH(1, 1, chan_index);
+            emit_add (func, 0, 1);
+
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_DP3:
+    /* TGSI_OPCODE_DOT3 */
+        FETCH(0, 0, CHAN_X);
+        FETCH(1, 1, CHAN_X);
+        emit_mul (func, 0, 1);
+
+        FETCH(1, 0, CHAN_Y);
+        FETCH(2, 1, CHAN_Y);
+        emit_mul (func, 1, 2);
+        emit_add (func, 0, 1);
+
+        FETCH(1, 0, CHAN_Z);
+        FETCH(2, 1, CHAN_Z);
+        emit_mul (func, 1, 2);
+        emit_add (func, 0, 1);
+
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_DP4:
+    /* TGSI_OPCODE_DOT4 */
+        FETCH(0, 0, CHAN_X);
+        FETCH(1, 1, CHAN_X);
+        emit_mul (func, 0, 1);
+
+        FETCH(1, 0, CHAN_Y);
+        FETCH(2, 1, CHAN_Y);
+        emit_mul (func, 1, 2);
+        emit_add (func, 0, 1);
+
+        FETCH(1, 0, CHAN_Z);
+        FETCH(2, 1, CHAN_Z);
+        emit_mul (func, 1, 2);
+        emit_add (func, 0, 1);
+
+        FETCH(1, 0, CHAN_W);
+        FETCH(2, 1, CHAN_W);
+        emit_mul (func, 1, 2);
+        emit_add (func, 0, 1);
+
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_DST:
+        IF_IS_CHANNEL_ENABLED(CHAN_X)
+        {
+            emit_tempf (func,
+                        0,
+                        TGSI_EXEC_TEMP_ONE_I,
+                        TGSI_EXEC_TEMP_ONE_C);
+            STORE(0, 0, CHAN_X);
+        }
+        IF_IS_CHANNEL_ENABLED(CHAN_Y)
+        {
+            FETCH(0, 0, CHAN_Y);
+            FETCH(1, 1, CHAN_Y);
+            emit_mul (func, 0, 1);
+            STORE(0, 0, CHAN_Y);
+        }
+        IF_IS_CHANNEL_ENABLED(CHAN_Z)
+        {
+            FETCH(0, 0, CHAN_Z);
+            STORE(0, 0, CHAN_Z);
+        }
+        IF_IS_CHANNEL_ENABLED(CHAN_W)
+        {
+            FETCH(0, 1, CHAN_W);
+            STORE(0, 0, CHAN_W);
+        }
+        break;
+
+    case TGSI_OPCODE_MIN:
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            FETCH(0, 0, chan_index);
+            FETCH(1, 1, chan_index);
+            sse_minps (func,
+                       make_xmm (0),
+                       make_xmm (1));
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_MAX:
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            FETCH(0, 0, chan_index);
+            FETCH(1, 1, chan_index);
+            sse_maxps (func,
+                       make_xmm (0),
+                       make_xmm (1));
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_SLT:
+    /* TGSI_OPCODE_SETLT */
+        emit_setcc (func, inst, cc_LessThan);
+        break;
+
+    case TGSI_OPCODE_SGE:
+    /* TGSI_OPCODE_SETGE */
+        emit_setcc (func, inst, cc_NotLessThan);
+        break;
+
+    case TGSI_OPCODE_MAD:
+    /* TGSI_OPCODE_MADD */
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            FETCH(0, 0, chan_index);
+            FETCH(1, 1, chan_index);
+            FETCH(2, 2, chan_index);
+            emit_mul (func, 0, 1);
+            emit_add (func, 0, 2);
+
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_SUB:
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            FETCH(0, 0, chan_index);
+            FETCH(1, 1, chan_index);
+            emit_sub (func, 0, 1);
+
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_LERP:
+    /* TGSI_OPCODE_LRP */
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            FETCH(0, 0, chan_index);
+            FETCH(1, 1, chan_index);
+            FETCH(2, 2, chan_index);
+            emit_sub (func, 1, 2);
+            emit_mul (func, 0, 1);
+            emit_add (func, 0, 2);
+
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_CND:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_CND0:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_DOT2ADD:
+    /* TGSI_OPCODE_DP2A */
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_INDEX:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_NEGATE:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_FRAC:
+    /* TGSI_OPCODE_FRC */
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            FETCH(0, 0, chan_index);
+            emit_frc (func, 0);
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_CLAMP:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_FLOOR:
+    /* TGSI_OPCODE_FLR */
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            FETCH(0, 0, chan_index);
+            emit_flr (func, 0);
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_ROUND:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_EXPBASE2:
+    /* TGSI_OPCODE_EX2 */
+        FETCH(0, 0, CHAN_X);
+        emit_ex2 (func, 0);
+
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_LOGBASE2:
+    /* TGSI_OPCODE_LG2 */
+        FETCH(0, 0, CHAN_X);
+        emit_lg2 (func, 0);
+
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_POWER:
+    /* TGSI_OPCODE_POW */
+        FETCH(0, 0, CHAN_X);
+        FETCH(1, 1, CHAN_X);
+        emit_pow (func, 0, 1);
+
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_CROSSPRODUCT:
+    /* TGSI_OPCODE_XPD */
+        if (IS_CHANNEL_ENABLED(CHAN_X) || IS_CHANNEL_ENABLED(CHAN_Y))
+        {
+            FETCH(1, 1, CHAN_Z);
+            FETCH(3, 0, CHAN_Z);
+        }
+        if (IS_CHANNEL_ENABLED(CHAN_X) || IS_CHANNEL_ENABLED(CHAN_Z))
+        {
+            FETCH(0, 0, CHAN_Y);
+            FETCH(4, 1, CHAN_Y);
+        }
+        IF_IS_CHANNEL_ENABLED(CHAN_X)
+        {
+            emit_mov (func, 2, 0);
+            emit_mul (func, 2, 1);
+            emit_mov (func, 5, 3);
+            emit_mul (func, 5, 4);
+            emit_sub (func, 2, 5);
+            STORE(2, 0, CHAN_X);
+        }
+
+        if (IS_CHANNEL_ENABLED(CHAN_Y) || IS_CHANNEL_ENABLED(CHAN_Z))
+        {
+            FETCH(2, 1, CHAN_X);
+            FETCH(5, 0, CHAN_X);
+        }
+        IF_IS_CHANNEL_ENABLED(CHAN_Y)
+        {
+            emit_mul (func, 3, 2);
+            emit_mul (func, 1, 5);
+            emit_sub (func, 3, 1);
+            STORE(3, 0, CHAN_Y);
+        }
+
+        IF_IS_CHANNEL_ENABLED(CHAN_Z)
+        {
+            emit_mul (func, 5, 4);
+            emit_mul (func, 0, 2);
+            emit_sub (func, 5, 0);
+            STORE(5, 0, CHAN_Z);
+        }
+
+        IF_IS_CHANNEL_ENABLED(CHAN_W)
+        {
+            FETCH(0, TGSI_EXEC_TEMP_ONE_I, TGSI_EXEC_TEMP_ONE_C);
+            STORE(0, 0, CHAN_W);
+        }
+        break;
+
+    case TGSI_OPCODE_MULTIPLYMATRIX:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_ABS:
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            FETCH(0, 0, chan_index);
+            emit_abs (func, 0);
+
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_RCC:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_DPH:
+        FETCH(0, 0, CHAN_X);
+        FETCH(1, 1, CHAN_X);
+        emit_mul (func, 0, 1);
+
+        FETCH(1, 0, CHAN_Y);
+        FETCH(2, 1, CHAN_Y);
+        emit_mul (func, 1, 2);
+        emit_add (func, 0, 1);
+
+        FETCH(1, 0, CHAN_Z);
+        FETCH(2, 1, CHAN_Z);
+        emit_mul (func, 1, 2);
+        emit_add (func, 0, 1);
+
+        FETCH(1, 1, CHAN_W);
+        emit_add (func, 0, 1);
+
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_COS:
+        FETCH(0, 0, CHAN_X);
+        emit_cos (func, 0);
+
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_DDX:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_DDY:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_KIL:
+        emit_kil (func, &inst->FullSrcRegisters[0]);
+        break;
+
+    case TGSI_OPCODE_PK2H:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_PK2US:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_PK4B:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_PK4UB:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_RFL:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_SEQ:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_SFL:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_SGT:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_SIN:
+        FETCH(0, 0, CHAN_X);
+        emit_sin (func, 0);
+
+        FOR_EACH_ENABLED_CHANNEL
+        {
+            STORE(0, 0, chan_index);
+        }
+        break;
+
+    case TGSI_OPCODE_SLE:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_SNE:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_STR:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_TEX:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_TXD:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_UP2H:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_UP2US:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_UP4B:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_UP4UB:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_X2D:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_ARA:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_ARR:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_BRA:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_CAL:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_RET:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_SSG:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_CMP:
+        emit_cmp (func, inst);
+        break;
+
+    case TGSI_OPCODE_SCS:
+        IF_IS_CHANNEL_ENABLED(CHAN_X)
+        {
+            FETCH(0, 0, CHAN_X);
+            emit_cos (func, 0);
+            STORE(0, 0, CHAN_X);
+        }
+
+        IF_IS_CHANNEL_ENABLED(CHAN_Y)
+        {
+            FETCH(0, 0, CHAN_Y);
+            emit_sin (func, 0);
+            STORE(0, 0, CHAN_Y);
+        }
+
+        IF_IS_CHANNEL_ENABLED(CHAN_Z)
+        {
+            FETCH(0, TGSI_EXEC_TEMP_00000000_I, TGSI_EXEC_TEMP_00000000_C);
+            STORE(0, 0, CHAN_Z);
+        }
+
+        IF_IS_CHANNEL_ENABLED(CHAN_W)
+        {
+            FETCH(0, TGSI_EXEC_TEMP_ONE_I, TGSI_EXEC_TEMP_ONE_C);
+            STORE(0, 0, CHAN_W);
+        }
+        break;
+
+    case TGSI_OPCODE_TXB:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_NRM:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_DIV:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_DP2:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_TXL:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_BRK:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_IF:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_LOOP:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_REP:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_ELSE:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_ENDIF:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_ENDLOOP:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_ENDREP:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_PUSHA:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_POPA:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_CEIL:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_I2F:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_NOT:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_TRUNC:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_SHL:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_SHR:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_AND:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_OR:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_MOD:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_XOR:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_SAD:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_TXF:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_TXQ:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_CONT:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_EMIT:
+        assert (0);
+        break;
+
+    case TGSI_OPCODE_ENDPRIM:
+        assert (0);
+        break;
+
+    default:
+        assert (0);
+    }
+}
+
+GLboolean
+tgsi_emit_sse (struct tgsi_token *tokens,
+               struct x86_function *function)
+{
+    struct tgsi_parse_context parse;
+
+    x86_init_func (function);
+
+    x86_mov (function, get_input_base (), get_argument (0));
+    x86_mov (function, get_output_base (), get_argument (1));
+    x86_mov (function, get_const_base (), get_argument (2));
+    x86_mov (function, get_temp_base (), get_argument (3));
+
+    tgsi_parse_init (&parse, tokens);
+
+    while (!tgsi_parse_end_of_tokens (&parse))
+    {
+        tgsi_parse_token (&parse);
+
+        switch (parse.FullToken.Token.Type)
+        {
+        case TGSI_TOKEN_TYPE_DECLARATION:
+            break;
+
+        case TGSI_TOKEN_TYPE_INSTRUCTION:
+            emit_instruction (function, &parse.FullToken.FullInstruction);
+            break;
+
+        default:
+            assert (0);
+        }
+    }
+
+    tgsi_parse_free (&parse);
+
+#ifdef WIN32
+    x86_retw (function, 16);
+#else
+    x86_ret (function);
+#endif
+
+    return GL_FALSE;
+}
+
+#endif
diff --git a/src/mesa/pipe/tgsi/exec/tgsi_sse2.h b/src/mesa/pipe/tgsi/exec/tgsi_sse2.h
new file mode 100755
index 0000000000..4a39658484
--- /dev/null
+++ b/src/mesa/pipe/tgsi/exec/tgsi_sse2.h
@@ -0,0 +1,21 @@
+#if !defined TGSI_SSE2_H
+#define TGSI_SSE2_H
+
+#if defined __cplusplus
+extern "C" {
+#endif // defined __cplusplus
+
+struct tgsi_token;
+struct x86_function;
+
+unsigned
+tgsi_emit_sse2(
+   struct tgsi_token *tokens,
+   struct x86_function *function );
+
+#if defined __cplusplus
+} // extern "C"
+#endif // defined __cplusplus
+
+#endif // !defined TGSI_SSE2_H
+
diff --git a/src/mesa/sources b/src/mesa/sources
index ec30a889f6..61a8d580ad 100644
--- a/src/mesa/sources
+++ b/src/mesa/sources
@@ -166,11 +166,12 @@ DRAW_SOURCES = \
 	pipe/draw/draw_twoside.c \
 	pipe/draw/draw_unfilled.c
 
-TGSICORE_SOURCES = \
+TGSIEXEC_SOURCES = \
 	pipe/tgsi/exec/tgsi_build.c \
 	pipe/tgsi/exec/tgsi_dump.c \
 	pipe/tgsi/exec/tgsi_exec.c \
 	pipe/tgsi/exec/tgsi_parse.c \
+	pipe/tgsi/exec/tgsi_sse2.c \
 	pipe/tgsi/exec/tgsi_util.c
 
 TGSIDECO_SOURCES = \
@@ -359,7 +360,7 @@ SOLO_SOURCES = \
 	$(VBO_SOURCES)		\
 	$(VF_SOURCES)		\
 	$(DRAW_SOURCES)		\
-	$(TGSICORE_SOURCES)	\
+	$(TGSIEXEC_SOURCES)	\
 	$(TGSIDECO_SOURCES)	\
 	$(TGSIMESA_SOURCES)	\
 	$(STATETRACKER_SOURCES)	\