mesa: Branch 'master'

Jerome Glisse glisse at kemper.freedesktop.org
Mon Dec 25 22:42:42 UTC 2006


 src/mesa/drivers/dri/r300/r300_fragprog.c |  751 ++++++++++++++++++------------
 src/mesa/drivers/dri/r300/r300_fragprog.h |    3 
 2 files changed, 465 insertions(+), 289 deletions(-)

New commits:
diff-tree b8769f318ff9c2e4a74fbb1d4b058eb521e36dda (from d79323bd42864fc4768874f56734bad9dc6d8a9c)
Author: Jerome Glisse <glisse at freedesktop.org>
Date:   Mon Dec 25 23:34:56 2006 +0100

    Rework r300 fragprog avoid using bitfield structure.
    
    It seems that bitfield structure lead to some strange
    problem on 64bits arch, don't want to waste time debugging
    strange things like that so converted pfs_reg_t structure
    to a GLuint and use good old masking and shifting spell.
    (cherry picked from 2a7de9d095d8e60da12b11aaa1efe664b87b11d3 commit)

diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c
index 32c0128..f00162a 100644
--- a/src/mesa/drivers/dri/r300/r300_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r300_fragprog.c
@@ -51,18 +51,110 @@
 #include "r300_fragprog.h"
 #include "r300_reg.h"
 
+/*
+ * Usefull macros and values
+ */
+#define ERROR(fmt, args...) do {			\
+		fprintf(stderr, "%s::%s(): " fmt "\n",	\
+			__FILE__, __func__, ##args);	\
+		rp->error = GL_TRUE;			\
+	} while(0)
+
 #define PFS_INVAL 0xFFFFFFFF
 #define COMPILE_STATE struct r300_pfs_compile_state *cs = rp->cs
 
-static void dump_program(struct r300_fragment_program *rp);
-static void emit_arith(struct r300_fragment_program *rp, int op,
-				pfs_reg_t dest, int mask,
-				pfs_reg_t src0, pfs_reg_t src1, pfs_reg_t src2,
-				int flags);
+#define SWIZZLE_XYZ		0
+#define SWIZZLE_XXX		1
+#define SWIZZLE_YYY		2
+#define SWIZZLE_ZZZ		3
+#define SWIZZLE_WWW		4
+#define SWIZZLE_YZX		5
+#define SWIZZLE_ZXY		6
+#define SWIZZLE_WZY		7
+#define SWIZZLE_111		8
+#define SWIZZLE_000		9
+#define SWIZZLE_HHH		10
 
-/***************************************
- * begin: useful data structions for fragment program generation
- ***************************************/
+#define swizzle(r, x, y, z, w) do_swizzle(rp, r,		\
+					  ((SWIZZLE_##x<<0)|	\
+					   (SWIZZLE_##y<<3)|	\
+					   (SWIZZLE_##z<<6)|	\
+					   (SWIZZLE_##w<<9)),	\
+					  0)
+
+#define REG_TYPE_INPUT		0
+#define REG_TYPE_OUTPUT		1
+#define REG_TYPE_TEMP		2
+#define REG_TYPE_CONST		3
+
+#define REG_TYPE_SHIFT		0
+#define REG_INDEX_SHIFT		2
+#define REG_VSWZ_SHIFT		8
+#define REG_SSWZ_SHIFT		13
+#define REG_NEGV_SHIFT		18
+#define REG_NEGS_SHIFT		19
+#define REG_ABS_SHIFT		20
+#define REG_NO_USE_SHIFT	21
+#define REG_VALID_SHIFT		22
+
+#define REG_TYPE_MASK		(0x03 << REG_TYPE_SHIFT)
+#define REG_INDEX_MASK		(0x3F << REG_INDEX_SHIFT)
+#define REG_VSWZ_MASK		(0x1F << REG_VSWZ_SHIFT)
+#define REG_SSWZ_MASK		(0x1F << REG_SSWZ_SHIFT)
+#define REG_NEGV_MASK		(0x01 << REG_NEGV_SHIFT)
+#define REG_NEGS_MASK		(0x01 << REG_NEGS_SHIFT)
+#define REG_ABS_MASK		(0x01 << REG_ABS_SHIFT)
+#define REG_NO_USE_MASK		(0x01 << REG_NO_USE_SHIFT)
+#define REG_VALID_MASK		(0x01 << REG_VALID_SHIFT)
+
+#define REG(type, index, vswz, sswz, nouse, valid)			\
+	(((type << REG_TYPE_SHIFT) & REG_TYPE_MASK) |			\
+	 ((index << REG_INDEX_SHIFT) & REG_INDEX_MASK) |		\
+	 ((nouse << REG_NO_USE_SHIFT) & REG_NO_USE_MASK) |		\
+	 ((valid << REG_VALID_SHIFT) & REG_VALID_MASK) |		\
+	 ((vswz << REG_VSWZ_SHIFT) & REG_VSWZ_MASK) |			\
+	 ((sswz << REG_SSWZ_SHIFT) & REG_SSWZ_MASK))
+#define REG_GET_TYPE(reg)						\
+	((reg & REG_TYPE_MASK) >> REG_TYPE_SHIFT)
+#define REG_GET_INDEX(reg)						\
+	((reg & REG_INDEX_MASK) >> REG_INDEX_SHIFT)
+#define REG_GET_VSWZ(reg)						\
+	((reg & REG_VSWZ_MASK) >> REG_VSWZ_SHIFT)
+#define REG_GET_SSWZ(reg)						\
+	((reg & REG_SSWZ_MASK) >> REG_SSWZ_SHIFT)
+#define REG_GET_NO_USE(reg)						\
+	((reg & REG_NO_USE_MASK) >> REG_NO_USE_SHIFT)
+#define REG_GET_VALID(reg)						\
+	((reg & REG_VALID_MASK) >> REG_VALID_SHIFT)
+#define REG_SET_TYPE(reg, type)						\
+	reg = ((reg & ~REG_TYPE_MASK) |					\
+	       ((type << REG_TYPE_SHIFT) & REG_TYPE_MASK))
+#define REG_SET_INDEX(reg, index)					\
+	reg = ((reg & ~REG_INDEX_MASK) |				\
+	       ((index << REG_INDEX_SHIFT) & REG_INDEX_MASK))
+#define REG_SET_VSWZ(reg, vswz)						\
+	reg = ((reg & ~REG_VSWZ_MASK) |					\
+	       ((vswz << REG_VSWZ_SHIFT) & REG_VSWZ_MASK))
+#define REG_SET_SSWZ(reg, sswz)						\
+	reg = ((reg & ~REG_SSWZ_MASK) |					\
+	       ((sswz << REG_SSWZ_SHIFT) & REG_SSWZ_MASK))
+#define REG_SET_NO_USE(reg, nouse)					\
+	reg = ((reg & ~REG_NO_USE_MASK) |				\
+	       ((nouse << REG_NO_USE_SHIFT) & REG_NO_USE_MASK))
+#define REG_SET_VALID(reg, valid)					\
+	reg = ((reg & ~REG_VALID_MASK) |				\
+	       ((valid << REG_VALID_SHIFT) & REG_VALID_MASK))
+#define REG_ABS(reg)							\
+	reg = (reg | REG_ABS_MASK)
+#define REG_NEGV(reg)							\
+	reg = (reg | REG_NEGV_MASK)
+#define REG_NEGS(reg)							\
+	reg = (reg | REG_NEGS_MASK)
+
+
+/*
+ * Datas structures for fragment program generation
+ */
 
 /* description of r300 native hw instructions */
 static const struct {
@@ -86,20 +178,19 @@ static const struct {
 	{ "CMPH", 3, R300_FPI0_OUTC_CMPH, PFS_INVAL },
 };
 
-#define MAKE_SWZ3(x, y, z) (MAKE_SWIZZLE4(SWIZZLE_##x, \
-					  SWIZZLE_##y, \
-					  SWIZZLE_##z, \
-					  SWIZZLE_ZERO))
-
-#define SLOT_VECTOR	(1<<0)
-#define SLOT_SCALAR (1<<3)
-#define SLOT_BOTH	(SLOT_VECTOR|SLOT_SCALAR)
 
 /* vector swizzles r300 can support natively, with a couple of
  * cases we handle specially
  *
- * pfs_reg_t.v_swz/pfs_reg_t.s_swz is an index into this table
- **/
+ * REG_VSWZ/REG_SSWZ is an index into this table
+ */
+#define SLOT_VECTOR	(1<<0)
+#define SLOT_SCALAR	(1<<3)
+#define SLOT_BOTH	(SLOT_VECTOR | SLOT_SCALAR)
+#define MAKE_SWZ3(x, y, z) (MAKE_SWIZZLE4(SWIZZLE_##x, \
+					  SWIZZLE_##y, \
+					  SWIZZLE_##z, \
+					  SWIZZLE_ZERO))
 static const struct r300_pfs_swizzle {
 	GLuint hash;	/* swizzle value this matches */
 	GLuint base;	/* base value for hw swizzle */
@@ -120,39 +211,29 @@ static const struct r300_pfs_swizzle {
 	{ PFS_INVAL, R300_FPI0_ARGC_HALF, 0, 0},
 	{ PFS_INVAL, 0, 0, 0},
 };
-#define SWIZZLE_XYZ		0
-#define SWIZZLE_XXX		1
-#define SWIZZLE_YYY		2
-#define SWIZZLE_ZZZ		3
-#define SWIZZLE_WWW		4
-#define SWIZZLE_YZX		5
-#define SWIZZLE_ZXY		6
-#define SWIZZLE_WZY		7
-#define SWIZZLE_111		8
-#define SWIZZLE_000		9
-#define SWIZZLE_HHH		10
 
+/* used during matching of non-native swizzles */
 #define SWZ_X_MASK (7 << 0)
 #define SWZ_Y_MASK (7 << 3)
 #define SWZ_Z_MASK (7 << 6)
 #define SWZ_W_MASK (7 << 9)
-/* used during matching of non-native swizzles */
 static const struct {
-	GLuint hash;	/* used to mask matching swizzle components */
+	GLuint hash;		/* used to mask matching swizzle components */
 	int mask;		/* actual outmask */
 	int count;		/* count of components matched */
 } s_mask[] = {
-    { SWZ_X_MASK|SWZ_Y_MASK|SWZ_Z_MASK, 1|2|4, 3},
-    { SWZ_X_MASK|SWZ_Y_MASK, 1|2, 2},
-    { SWZ_X_MASK|SWZ_Z_MASK, 1|4, 2},
-    { SWZ_Y_MASK|SWZ_Z_MASK, 2|4, 2},
-    { SWZ_X_MASK, 1, 1},
-    { SWZ_Y_MASK, 2, 1},
-    { SWZ_Z_MASK, 4, 1},
-    { PFS_INVAL, PFS_INVAL, PFS_INVAL}
+	{ SWZ_X_MASK|SWZ_Y_MASK|SWZ_Z_MASK, 1|2|4, 3},
+	{ SWZ_X_MASK|SWZ_Y_MASK, 1|2, 2},
+	{ SWZ_X_MASK|SWZ_Z_MASK, 1|4, 2},
+	{ SWZ_Y_MASK|SWZ_Z_MASK, 2|4, 2},
+	{ SWZ_X_MASK, 1, 1},
+	{ SWZ_Y_MASK, 2, 1},
+	{ SWZ_Z_MASK, 4, 1},
+	{ PFS_INVAL, PFS_INVAL, PFS_INVAL}
 };
 
 /* mapping from SWIZZLE_* to r300 native values for scalar insns */
+#define SWIZZLE_HALF 6
 static const struct {
 	int base;	/* hw value of swizzle */
 	int stride;	/* difference between SRC0/1/2 */
@@ -166,58 +247,51 @@ static const struct {
 	{ R300_FPI2_ARGA_ONE    , 0, 0 },
 	{ R300_FPI2_ARGA_HALF   , 0, 0 }
 };
-#define SWIZZLE_HALF 6
 
 /* boiler-plate reg, for convenience */
-static const pfs_reg_t undef = {
-	type: REG_TYPE_TEMP,
-	index: 0,
-	v_swz: SWIZZLE_XYZ,
-	s_swz: SWIZZLE_W,
-	negate_v: 0,
-	negate_s: 0,
-	absolute: 0,
-	no_use: GL_FALSE,
-	valid: GL_FALSE
-};
+static const GLuint undef = REG(REG_TYPE_TEMP,
+				0,
+				SWIZZLE_XYZ,
+				SWIZZLE_W,
+				GL_FALSE,
+				GL_FALSE);
 
 /* constant one source */
-static const pfs_reg_t pfs_one = {
-	type: REG_TYPE_CONST,
-	index: 0,
-	v_swz: SWIZZLE_111,
-	s_swz: SWIZZLE_ONE,
-	valid: GL_TRUE
-};
+static const GLuint pfs_one = REG(REG_TYPE_TEMP,
+				  0,
+				  SWIZZLE_111,
+				  SWIZZLE_ONE,
+				  GL_FALSE,
+				  GL_TRUE);
 
 /* constant half source */
-static const pfs_reg_t pfs_half = {
-	type: REG_TYPE_CONST,
-	index: 0,
-	v_swz: SWIZZLE_HHH,
-	s_swz: SWIZZLE_HALF,
-	valid: GL_TRUE
-};
+static const GLuint pfs_half = REG(REG_TYPE_TEMP,
+				   0,
+				   SWIZZLE_HHH,
+				   SWIZZLE_HALF,
+				   GL_FALSE,
+				   GL_TRUE);
 
 /* constant zero source */
-static const pfs_reg_t pfs_zero = {
-	type: REG_TYPE_CONST,
-	index: 0,
-	v_swz: SWIZZLE_000,
-	s_swz: SWIZZLE_ZERO,
-	valid: GL_TRUE
-};
+static const GLuint pfs_zero = REG(REG_TYPE_TEMP,
+				   0,
+				   SWIZZLE_000,
+				   SWIZZLE_ZERO,
+				   GL_FALSE,
+				   GL_TRUE);
 
-/***************************************
- * end: data structures
- ***************************************/
-
-#define ERROR(fmt, args...) do { \
-		fprintf(stderr, "%s::%s(): " fmt "\n",\
-			__FILE__, __func__, ##args);  \
-		rp->error = GL_TRUE; \
-} while(0)
+/*
+ * Common functions prototypes
+ */
+static void dump_program(struct r300_fragment_program *rp);
+static void emit_arith(struct r300_fragment_program *rp, int op,
+				GLuint dest, int mask,
+				GLuint src0, GLuint src1, GLuint src2,
+				int flags);
 
+/*
+ * Helper functions prototypes
+ */
 static int get_hw_temp(struct r300_fragment_program *rp)
 {
 	COMPILE_STATE;
@@ -256,263 +330,338 @@ static void free_hw_temp(struct r300_fra
 	cs->hwreg_in_use &= ~(1<<idx);
 }
 
-static pfs_reg_t get_temp_reg(struct r300_fragment_program *rp)
+static GLuint get_temp_reg(struct r300_fragment_program *rp)
 {
 	COMPILE_STATE;
-	pfs_reg_t r = undef;
+	GLuint r = undef;
+	GLuint index;
 
-	r.index = ffs(~cs->temp_in_use);
-	if (!r.index) {
+	index = ffs(~cs->temp_in_use);
+	if (!index) {
 		ERROR("Out of program temps\n");
 		return r;
 	}
-	cs->temp_in_use |= (1 << --r.index);
-	
-	cs->temps[r.index].refcount = 0xFFFFFFFF;
-	cs->temps[r.index].reg = -1;
-	r.valid = GL_TRUE;
+
+	cs->temp_in_use |= (1 << --index);
+	cs->temps[index].refcount = 0xFFFFFFFF;
+	cs->temps[index].reg = -1;
+
+	REG_SET_TYPE(r, REG_TYPE_TEMP);
+	REG_SET_INDEX(r, index);
+	REG_SET_VALID(r, GL_TRUE);
 	return r;
 }
 
-static pfs_reg_t get_temp_reg_tex(struct r300_fragment_program *rp)
+static GLuint get_temp_reg_tex(struct r300_fragment_program *rp)
 {
 	COMPILE_STATE;
-	pfs_reg_t r = undef;
+	GLuint r = undef;
+	GLuint index;
 
-	r.index = ffs(~cs->temp_in_use);
-	if (!r.index) {
+	index = ffs(~cs->temp_in_use);
+	if (!index) {
 		ERROR("Out of program temps\n");
 		return r;
 	}
-	cs->temp_in_use |= (1 << --r.index);
-	
-	cs->temps[r.index].refcount = 0xFFFFFFFF;
-	cs->temps[r.index].reg = get_hw_temp_tex(rp);
-	r.valid = GL_TRUE;
+
+	cs->temp_in_use |= (1 << --index);
+	cs->temps[index].refcount = 0xFFFFFFFF;
+	cs->temps[index].reg = get_hw_temp_tex(rp);
+
+	REG_SET_TYPE(r, REG_TYPE_TEMP);
+	REG_SET_INDEX(r, index);
+	REG_SET_VALID(r, GL_TRUE);
 	return r;
 }
 
-static void free_temp(struct r300_fragment_program *rp, pfs_reg_t r)
+static void free_temp(struct r300_fragment_program *rp, GLuint r)
 {
 	COMPILE_STATE;
-	if (!(cs->temp_in_use & (1<<r.index))) return;
+	GLuint index = REG_GET_INDEX(r);
+
+	if (!(cs->temp_in_use & (1 << index)))
+		return;
 	
-	if (r.type == REG_TYPE_TEMP) {
-		free_hw_temp(rp, cs->temps[r.index].reg);
-		cs->temps[r.index].reg = -1;
-		cs->temp_in_use &= ~(1<<r.index);
-	} else if (r.type == REG_TYPE_INPUT) {
-		free_hw_temp(rp, cs->inputs[r.index].reg);
-		cs->inputs[r.index].reg = -1;
+	if (REG_GET_TYPE(r) == REG_TYPE_TEMP) {
+		free_hw_temp(rp, cs->temps[index].reg);
+		cs->temps[index].reg = -1;
+		cs->temp_in_use &= ~(1 << index);
+	} else if (REG_GET_TYPE(r) == REG_TYPE_INPUT) {
+		free_hw_temp(rp, cs->inputs[index].reg);
+		cs->inputs[index].reg = -1;
 	}
 }
 
-static pfs_reg_t emit_param4fv(struct r300_fragment_program *rp,
-			       GLfloat *values)
+static GLuint emit_param4fv(struct r300_fragment_program *rp,
+			    GLfloat *values)
 {
-	pfs_reg_t r = undef;
-		r.type = REG_TYPE_CONST;
+	GLuint r = undef;
+	GLuint index;
 	int pidx;
 
 	pidx = rp->param_nr++;
-	r.index = rp->const_nr++;
-	if (pidx >= PFS_NUM_CONST_REGS || r.index >= PFS_NUM_CONST_REGS) {
+	index = rp->const_nr++;
+	if (pidx >= PFS_NUM_CONST_REGS || index >= PFS_NUM_CONST_REGS) {
 		ERROR("Out of const/param slots!\n");
 		return r;
 	}
-	
-	rp->param[pidx].idx = r.index;
+
+	rp->param[pidx].idx = index;
 	rp->param[pidx].values = values;
 	rp->params_uptodate = GL_FALSE;
 
-	r.valid = GL_TRUE;
+	REG_SET_TYPE(r, REG_TYPE_CONST);
+	REG_SET_INDEX(r, index);
+	REG_SET_VALID(r, GL_TRUE);
 	return r;
 }
 
-static pfs_reg_t emit_const4fv(struct r300_fragment_program *rp, GLfloat *cp)
+static GLuint emit_const4fv(struct r300_fragment_program *rp, GLfloat *cp)
 { 
-	pfs_reg_t r = undef;
-		r.type = REG_TYPE_CONST;
+	GLuint r = undef;
+	GLuint index;
 
-	r.index = rp->const_nr++;
-	if (r.index >= PFS_NUM_CONST_REGS) {
+	index = rp->const_nr++;
+	if (index >= PFS_NUM_CONST_REGS) {
 		ERROR("Out of hw constants!\n");
 		return r;
 	}
 
-	COPY_4V(rp->constant[r.index], cp);
-	r.valid = GL_TRUE;
+	COPY_4V(rp->constant[index], cp);
+
+	REG_SET_TYPE(r, REG_TYPE_CONST);
+	REG_SET_INDEX(r, index);
+	REG_SET_VALID(r, GL_TRUE);
 	return r;
 }
 
-static __inline pfs_reg_t negate(pfs_reg_t r)
+static inline GLuint negate(GLuint r)
 {
-	r.negate_v = 1;
-	r.negate_s = 1;
+	REG_NEGS(r);
+	REG_NEGV(r);
 	return r;
 }
 
 /* Hack, to prevent clobbering sources used multiple times when
  * emulating non-native instructions
  */
-static __inline pfs_reg_t keep(pfs_reg_t r)
+static inline GLuint keep(GLuint r)
 {
-	r.no_use = GL_TRUE;
+	REG_SET_NO_USE(r, GL_TRUE);
 	return r;
 }
 
-static __inline pfs_reg_t absolute(pfs_reg_t r)
+static inline GLuint absolute(GLuint r)
 {
-	r.absolute = 1;
+	REG_ABS(r);
 	return r;
 }
 
 static int swz_native(struct r300_fragment_program *rp,
-		      pfs_reg_t src, pfs_reg_t *r, GLuint arbneg)
+		      GLuint src,
+		      GLuint *r,
+		      GLuint arbneg)
 {
-	/* Native swizzle, nothing to see here */
-	src.negate_s = (arbneg >> 3) & 1;
+	/* Native swizzle, handle negation */
+	src |= ((arbneg >> 3) & 1) << REG_NEGS_SHIFT;
 
 	if ((arbneg & 0x7) == 0x0) {
-		src.negate_v = 0;
+		src = src & ~REG_NEGV_MASK;
 		*r = src;
 	} else if ((arbneg & 0x7) == 0x7) {
-		src.negate_v = 1;
+		src |= REG_NEGV_MASK;
 		*r = src;
 	} else {
-		if (!r->valid)
+		if (!REG_GET_VALID(*r))
 			*r = get_temp_reg(rp);
-		src.negate_v = 1;
-		emit_arith(rp, PFS_OP_MAD, *r, arbneg & 0x7,
-			   keep(src), pfs_one, pfs_zero, 0);
-		src.negate_v = 0;
-		emit_arith(rp, PFS_OP_MAD, *r,
+		src |= REG_NEGV_MASK;
+		emit_arith(rp,
+			   PFS_OP_MAD,
+			   *r,
+			   arbneg & 0x7,
+			   keep(src),
+			   pfs_one,
+			   pfs_zero,
+			   0);
+		src = src & ~REG_NEGV_MASK;
+		emit_arith(rp,
+			   PFS_OP_MAD,
+			   *r,
 			   (arbneg ^ 0x7) | WRITEMASK_W,
-			   src, pfs_one, pfs_zero, 0);
+			   src,
+			   pfs_one,
+			   pfs_zero,
+			   0);
 	}
 
 	return 3;
 }
 
-static int swz_emit_partial(struct r300_fragment_program *rp, pfs_reg_t src,
-			    pfs_reg_t *r, int mask, int mc, GLuint arbneg)
+static int swz_emit_partial(struct r300_fragment_program *rp,
+			    GLuint src,
+			    GLuint *r,
+			    int mask,
+			    int mc,
+			    GLuint arbneg)
 {
 	GLuint tmp;
 	GLuint wmask = 0;
 
-	if (!r->valid)
+	if (!REG_GET_VALID(*r))
 		*r = get_temp_reg(rp);
 
-	/* A partial match, src.v_swz/mask define what parts of the
-	 * desired swizzle we match */
+	/* A partial match, VSWZ/mask define what parts of the
+	 * desired swizzle we match
+	 */
 	if (mc + s_mask[mask].count == 3) {
 		wmask = WRITEMASK_W;
-		src.negate_s = (arbneg >> 3) & 1;
+		src |= ((arbneg >> 3) & 1) << REG_NEGS_SHIFT;
 	}
 
 	tmp = arbneg & s_mask[mask].mask;
 	if (tmp) {
 		tmp = tmp ^ s_mask[mask].mask;
 		if (tmp) {
-			src.negate_v = 1;
-			emit_arith(rp, PFS_OP_MAD, *r,
+			emit_arith(rp,
+				   PFS_OP_MAD,
+				   *r,
 				   arbneg & s_mask[mask].mask,
-				   keep(src), pfs_one, pfs_zero, 0);
-			src.negate_v = 0;
-			if (!wmask) src.no_use = GL_TRUE;
-			else        src.no_use = GL_FALSE;
-			emit_arith(rp, PFS_OP_MAD, *r, tmp | wmask,
-				   src, pfs_one, pfs_zero, 0);
+				   keep(src) | REG_NEGV_MASK,
+				   pfs_one,
+				   pfs_zero,
+				   0);
+			if (!wmask) {
+				REG_SET_NO_USE(src, GL_TRUE);
+			} else {
+				REG_SET_NO_USE(src, GL_FALSE);
+			}
+			emit_arith(rp,
+				   PFS_OP_MAD,
+				   *r,
+				   tmp | wmask,
+				   src,
+				   pfs_one,
+				   pfs_zero,
+				   0);
 		} else {
-			src.negate_v = 1;
-			if (!wmask) src.no_use = GL_TRUE;
-			else        src.no_use = GL_FALSE;
-			emit_arith(rp, PFS_OP_MAD, *r,
+			if (!wmask) {
+				REG_SET_NO_USE(src, GL_TRUE);
+			} else {
+				REG_SET_NO_USE(src, GL_FALSE);
+			}
+			emit_arith(rp,
+				   PFS_OP_MAD,
+				   *r,
 				   (arbneg & s_mask[mask].mask) | wmask,
-				   src, pfs_one, pfs_zero, 0);
-			src.negate_v = 0;
+				   src | REG_NEGV_MASK,
+				   pfs_one,
+				   pfs_zero,
+				   0);
 		}
 	} else {
-		if (!wmask) src.no_use = GL_TRUE;
-		else        src.no_use = GL_FALSE;
-		emit_arith(rp, PFS_OP_MAD, *r,
+		if (!wmask) {
+			REG_SET_NO_USE(src, GL_TRUE);
+		} else {
+			REG_SET_NO_USE(src, GL_FALSE);
+		}
+		emit_arith(rp, PFS_OP_MAD,
+			   *r,
 			   s_mask[mask].mask | wmask,
-			   src, pfs_one, pfs_zero, 0);
+			   src,
+			   pfs_one,
+			   pfs_zero,
+			   0);
 	}
 
 	return s_mask[mask].count;
 }
 
-#define swizzle(r, x, y, z, w) do_swizzle(rp, r, \
-					  ((SWIZZLE_##x<<0)|	\
-					   (SWIZZLE_##y<<3)|	\
-					   (SWIZZLE_##z<<6)|	\
-					   (SWIZZLE_##w<<9)),	\
-					  0)
-
-static pfs_reg_t do_swizzle(struct r300_fragment_program *rp,
-			    pfs_reg_t src, GLuint arbswz, GLuint arbneg)
+static GLuint do_swizzle(struct r300_fragment_program *rp,
+			 GLuint src,
+			 GLuint arbswz,
+			 GLuint arbneg)
 {
-	pfs_reg_t r = undef;
-	
+	GLuint r = undef;
+	GLuint vswz;
 	int c_mask = 0;
-	int v_matched = 0;
+	int v_match = 0;
 
 	/* If swizzling from something without an XYZW native swizzle,
 	 * emit result to a temp, and do new swizzle from the temp.
 	 */
-	if (src.v_swz != SWIZZLE_XYZ || src.s_swz != SWIZZLE_W) {
-		pfs_reg_t temp = get_temp_reg(rp);
-		emit_arith(rp, PFS_OP_MAD, temp, WRITEMASK_XYZW, src, pfs_one,
-			   pfs_zero, 0);
+	if (REG_GET_VSWZ(src) != SWIZZLE_XYZ ||
+	    REG_GET_SSWZ(src) != SWIZZLE_W) {
+		GLuint temp = get_temp_reg(rp);
+		emit_arith(rp,
+			   PFS_OP_MAD,
+			   temp,
+			   WRITEMASK_XYZW,
+			   src,
+			   pfs_one,
+			   pfs_zero,
+			   0);
 		src = temp;
 	}
-	src.s_swz = GET_SWZ(arbswz, 3);
+
+	/* set scalar swizzling */
+	REG_SET_SSWZ(src, GET_SWZ(arbswz, 3));
 
 	do {
+		vswz = REG_GET_VSWZ(src);
 		do {
-#define CUR_HASH (v_swiz[src.v_swz].hash & s_mask[c_mask].hash)
-			if (CUR_HASH == (arbswz & s_mask[c_mask].hash)) {
-				if (s_mask[c_mask].count == 3)
-					v_matched += swz_native(rp, src, &r,
+			int chash;
+
+			REG_SET_VSWZ(src, vswz);
+			chash = v_swiz[REG_GET_VSWZ(src)].hash &
+				s_mask[c_mask].hash;
+
+			if (chash == (arbswz & s_mask[c_mask].hash)) {
+				if (s_mask[c_mask].count == 3) {
+					v_match += swz_native(rp,
+								src,
+								&r,
 								arbneg);
-				else
-					v_matched += swz_emit_partial(rp, src,
-								      &r,
-								      c_mask,
-								      v_matched,
-								      arbneg);
+				} else {
+					v_match += swz_emit_partial(rp,
+								    src,
+								    &r,
+								    c_mask,
+								    v_match,
+								    arbneg);
+				}
 
-				if (v_matched == 3)
+				if (v_match == 3)
 					return r;
 
 				/* Fill with something invalid.. all 0's was
 				 * wrong before, matched SWIZZLE_X.  So all
-				 * 1's will be okay for now */
+				 * 1's will be okay for now
+				 */
 				arbswz |= (PFS_INVAL & s_mask[c_mask].hash);
 			}
-		} while(v_swiz[++src.v_swz].hash != PFS_INVAL);
-		src.v_swz = SWIZZLE_XYZ;
+		} while(v_swiz[++vswz].hash != PFS_INVAL);
+		REG_SET_VSWZ(src, SWIZZLE_XYZ);
 	} while (s_mask[++c_mask].hash != PFS_INVAL);
 
 	ERROR("should NEVER get here\n");
 	return r;
 }
-				
-static pfs_reg_t t_src(struct r300_fragment_program *rp,
-		       struct prog_src_register fpsrc)
+
+static GLuint t_src(struct r300_fragment_program *rp,
+		    struct prog_src_register fpsrc)
 {
-	pfs_reg_t r = undef;
+	GLuint r = undef;
 
 	switch (fpsrc.File) {
 	case PROGRAM_TEMPORARY:
-		r.index = fpsrc.Index;
-		r.valid = GL_TRUE;
+		REG_SET_INDEX(r, fpsrc.Index);
+		REG_SET_VALID(r, GL_TRUE);
+		REG_SET_TYPE(r, REG_TYPE_TEMP);
 		break;
 	case PROGRAM_INPUT:
-		r.index = fpsrc.Index;
-		r.type = REG_TYPE_INPUT;
-		r.valid = GL_TRUE;
+		REG_SET_INDEX(r, fpsrc.Index);
+		REG_SET_VALID(r, GL_TRUE);
+		REG_SET_TYPE(r, REG_TYPE_INPUT);
 		break;
 	case PROGRAM_LOCAL_PARAM:
 		r = emit_param4fv(rp,
@@ -533,13 +682,13 @@ static pfs_reg_t t_src(struct r300_fragm
 	}
 
 	/* no point swizzling ONE/ZERO/HALF constants... */
-	if (r.v_swz < SWIZZLE_111 || r.s_swz < SWIZZLE_ZERO)
+	if (REG_GET_VSWZ(r) < SWIZZLE_111 || REG_GET_SSWZ(r) < SWIZZLE_ZERO)
 		r = do_swizzle(rp, r, fpsrc.Swizzle, fpsrc.NegateBase);
 	return r;
 }
 
-static pfs_reg_t t_scalar_src(struct r300_fragment_program *rp,
-			      struct prog_src_register fpsrc)
+static GLuint t_scalar_src(struct r300_fragment_program *rp,
+			   struct prog_src_register fpsrc)
 {
 	struct prog_src_register src = fpsrc;
 	int sc = GET_SWZ(fpsrc.Swizzle, 0); /* X */
@@ -549,22 +698,24 @@ static pfs_reg_t t_scalar_src(struct r30
 	return t_src(rp, src);
 }
 
-static pfs_reg_t t_dst(struct r300_fragment_program *rp,
-		       struct prog_dst_register dest) {
-	pfs_reg_t r = undef;
+static GLuint t_dst(struct r300_fragment_program *rp,
+		       struct prog_dst_register dest)
+{
+	GLuint r = undef;
 	
 	switch (dest.File) {
 	case PROGRAM_TEMPORARY:
-		r.index = dest.Index;
-		r.valid = GL_TRUE;
+		REG_SET_INDEX(r, dest.Index);
+		REG_SET_VALID(r, GL_TRUE);
+		REG_SET_TYPE(r, REG_TYPE_TEMP);
 		return r;
 	case PROGRAM_OUTPUT:
-		r.type = REG_TYPE_OUTPUT;
+		REG_SET_TYPE(r, REG_TYPE_OUTPUT);
 		switch (dest.Index) {
 		case FRAG_RESULT_COLR:
 		case FRAG_RESULT_DEPR:
-			r.index = dest.Index;
-			r.valid = GL_TRUE;
+			REG_SET_INDEX(r, dest.Index);
+			REG_SET_VALID(r, GL_TRUE);
 			return r;
 		default:
 			ERROR("Bad DstReg->Index 0x%x\n", dest.Index);
@@ -576,66 +727,77 @@ static pfs_reg_t t_dst(struct r300_fragm
 	}
 }
 
-static int t_hw_src(struct r300_fragment_program *rp, pfs_reg_t src,
+static int t_hw_src(struct r300_fragment_program *rp,
+		    GLuint src,
 		    GLboolean tex)
 {
 	COMPILE_STATE;
 	int idx;
+	int index = REG_GET_INDEX(src);
 
-	switch (src.type) {
+	switch(REG_GET_TYPE(src)) {
 	case REG_TYPE_TEMP:
 		/* NOTE: if reg==-1 here, a source is being read that
-		 * 	 hasn't been written to. Undefined results */
-		if (cs->temps[src.index].reg == -1)
-			cs->temps[src.index].reg = get_hw_temp(rp);
-		idx = cs->temps[src.index].reg;
+		 * 	 hasn't been written to. Undefined results
+		 */
+		if (cs->temps[index].reg == -1)
+			cs->temps[index].reg = get_hw_temp(rp);
+
+		idx = cs->temps[index].reg;
 
-		if (!src.no_use && (--cs->temps[src.index].refcount == 0))
+		if (!REG_GET_NO_USE(src) &&
+		    (--cs->temps[index].refcount == 0))
 			free_temp(rp, src);
 		break;
 	case REG_TYPE_INPUT:
-		idx = cs->inputs[src.index].reg;
+		idx = cs->inputs[index].reg;
 
-		if (!src.no_use && (--cs->inputs[src.index].refcount == 0))
-			free_hw_temp(rp, cs->inputs[src.index].reg);
+		if (!REG_GET_NO_USE(src) &&
+		    (--cs->inputs[index].refcount == 0))
+			free_hw_temp(rp, cs->inputs[index].reg);
 		break;
 	case REG_TYPE_CONST:
-		return (src.index | SRC_CONST);
+		return (index | SRC_CONST);
 	default:
 		ERROR("Invalid type for source reg\n");
 		return (0 | SRC_CONST);
 	}
 
-	if (!tex) cs->used_in_node |= (1 << idx);
+	if (!tex)
+		cs->used_in_node |= (1 << idx);
 
 	return idx;
 }
 
-static int t_hw_dst(struct r300_fragment_program *rp, pfs_reg_t dest,
+static int t_hw_dst(struct r300_fragment_program *rp,
+		    GLuint dest,
 		    GLboolean tex)
 {
 	COMPILE_STATE;
 	int idx;
-	assert(dest.valid);
+	GLuint index = REG_GET_INDEX(dest);
+	assert(REG_GET_VALID(dest));
 
-	switch (dest.type) {
+	switch(REG_GET_TYPE(dest)) {
 	case REG_TYPE_TEMP:
-		if (cs->temps[dest.index].reg == -1) {
-			if (!tex)
-				cs->temps[dest.index].reg = get_hw_temp(rp);
-			else
-				cs->temps[dest.index].reg = get_hw_temp_tex(rp);
+		if (cs->temps[REG_GET_INDEX(dest)].reg == -1) {
+			if (!tex) {
+				cs->temps[index].reg = get_hw_temp(rp);
+			} else {
+				cs->temps[index].reg = get_hw_temp_tex(rp);
+			}
 		}
-		idx = cs->temps[dest.index].reg;
+		idx = cs->temps[index].reg;
 
-		if (!dest.no_use && (--cs->temps[dest.index].refcount == 0))
+		if (!REG_GET_NO_USE(dest) &&
+		    (--cs->temps[index].refcount == 0))
 			free_temp(rp, dest);
 
 		cs->dest_in_node |= (1 << idx);
 		cs->used_in_node |= (1 << idx);
 		break;
 	case REG_TYPE_OUTPUT:
-		switch (dest.index) {
+		switch(index) {
 		case FRAG_RESULT_COLR:
 			rp->node[rp->cur_node].flags |= R300_PFS_NODE_OUTPUT_COLOR;
 			break;
@@ -643,17 +805,18 @@ static int t_hw_dst(struct r300_fragment
 			rp->node[rp->cur_node].flags |= R300_PFS_NODE_OUTPUT_DEPTH;
 			break;
 		}
-		return dest.index;
+		return index;
 		break;
 	default:
-		ERROR("invalid dest reg type %d\n", dest.type);
+		ERROR("invalid dest reg type %d\n", REG_GET_TYPE(dest));
 		return 0;
 	}
 	
 	return idx;
 }
 
-static void emit_nop(struct r300_fragment_program *rp, GLuint mask,
+static void emit_nop(struct r300_fragment_program *rp,
+		     GLuint mask,
 		     GLboolean sync)
 {
 	COMPILE_STATE;
@@ -679,8 +842,8 @@ static void emit_tex(struct r300_fragmen
 		     int opcode)
 {
 	COMPILE_STATE;
-	pfs_reg_t coord = t_src(rp, fpi->SrcReg[0]);
-	pfs_reg_t dest = undef, rdest = undef;
+	GLuint coord = t_src(rp, fpi->SrcReg[0]);
+	GLuint dest = undef, rdest = undef;
 	GLuint din = cs->dest_in_node, uin = cs->used_in_node;
 	int unit = fpi->TexSrcUnit;
 	int hwsrc, hwdest;
@@ -691,7 +854,7 @@ static void emit_tex(struct r300_fragmen
 		dest = t_dst(rp, fpi->DstReg);
 
 		/* r300 doesn't seem to be able to do TEX->output reg */
-		if (dest.type == REG_TYPE_OUTPUT) {
+		if (REG_GET_TYPE(dest) == REG_TYPE_OUTPUT) {
 			rdest = dest;
 			dest = get_temp_reg_tex(rp);
 		}
@@ -703,7 +866,7 @@ static void emit_tex(struct r300_fragmen
 		if (uin & (1 << hwdest)) {
 			free_hw_temp(rp, hwdest);
 			hwdest = get_hw_temp_tex(rp);
-			cs->temps[dest.index].reg = hwdest;
+			cs->temps[REG_GET_INDEX(dest)].reg = hwdest;
 		}
 	} else {
 		hwdest = 0;
@@ -713,8 +876,8 @@ static void emit_tex(struct r300_fragmen
 	/* Indirection if source has been written in this node, or if the
 	 * dest has been read/written in this node
 	 */
-	if ((coord.type != REG_TYPE_CONST && (din & (1<<hwsrc))) ||
-					(uin & (1<<hwdest))) {
+	if ((REG_GET_TYPE(coord) != REG_TYPE_CONST &&
+	     (din & (1<<hwsrc))) || (uin & (1<<hwdest))) {
 			
 		/* Finish off current node */
 		cs->v_pos = cs->s_pos = MAX2(cs->v_pos, cs->s_pos);
@@ -754,13 +917,13 @@ static void emit_tex(struct r300_fragmen
 		| (opcode << R300_FPITX_OPCODE_SHIFT);
 
 	cs->dest_in_node |= (1 << hwdest); 
-	if (coord.type != REG_TYPE_CONST)
+	if (REG_GET_TYPE(coord) != REG_TYPE_CONST)
 		cs->used_in_node |= (1 << hwsrc);
 
 	rp->node[rp->cur_node].tex_end++;
 
 	/* Copy from temp to output if needed */
-	if (rdest.valid) {
+	if (REG_GET_VALID(rdest)) {
 		emit_arith(rp, PFS_OP_MAD, rdest, WRITEMASK_XYZW, dest,
 			   pfs_one, pfs_zero, 0);
 		free_temp(rp, dest);
@@ -770,7 +933,9 @@ static void emit_tex(struct r300_fragmen
 /* Add sources to FPI1/FPI3 lists.  If source is already on list,
  * reuse the index instead of wasting a source.
  */
-static int add_src(struct r300_fragment_program *rp, int reg, int pos,
+static int add_src(struct r300_fragment_program *rp,
+		   int reg,
+		   int pos,
 		   int srcmask)
 {
 	COMPILE_STATE;
@@ -819,9 +984,12 @@ static int add_src(struct r300_fragment_
  * It's not necessary to force the first case, but it makes disassembled
  * shaders easier to read.
  */
-static GLboolean force_same_slot(int vop, int sop,
-				 GLboolean emit_vop, GLboolean emit_sop,
-				 int argc, pfs_reg_t *src)
+static GLboolean force_same_slot(int vop,
+				 int sop,
+				 GLboolean emit_vop,
+				 GLboolean emit_sop,
+				 int argc,
+				 GLuint *src)
 {
 	int i;
 
@@ -833,20 +1001,24 @@ static GLboolean force_same_slot(int vop
 
 	if (emit_vop) {
 		for (i=0;i<argc;i++)
-			if (src[i].v_swz == SWIZZLE_WZY)
+			if (REG_GET_VSWZ(src[i]) == SWIZZLE_WZY)
 				return GL_TRUE;
 	}
 
 	return GL_FALSE;
 }
 
-static void emit_arith(struct r300_fragment_program *rp, int op,
-		       pfs_reg_t dest, int mask,
-		       pfs_reg_t src0, pfs_reg_t src1, pfs_reg_t src2,
+static void emit_arith(struct r300_fragment_program *rp,
+		       int op,
+		       GLuint dest,
+		       int mask,
+		       GLuint src0,
+		       GLuint src1,
+		       GLuint src2,
 		       int flags)
 {
 	COMPILE_STATE;
-	pfs_reg_t src[3] = { src0, src1, src2 };
+	GLuint src[3] = { src0, src1, src2 };
 	int hwsrc[3], sswz[3], vswz[3];
 	int hwdest;
 	GLboolean emit_vop = GL_FALSE, emit_sop = GL_FALSE;
@@ -863,7 +1035,8 @@ static void emit_arith(struct r300_fragm
 	if ((mask & WRITEMASK_W) || vop == R300_FPI0_OUTC_REPL_ALPHA)
 		emit_sop = GL_TRUE;
 
-	if (dest.type == REG_TYPE_OUTPUT && dest.index == FRAG_RESULT_DEPR)
+	if (REG_GET_TYPE(dest) == REG_TYPE_OUTPUT &&
+	    REG_GET_INDEX(dest) == FRAG_RESULT_DEPR)
 		emit_vop = GL_FALSE;
 					
 	if (force_same_slot(vop, sop, emit_vop, emit_sop, argc, src)) {
@@ -879,12 +1052,12 @@ static void emit_arith(struct r300_fragm
 		 */
 		for (i=0;i<3;i++) {
 			if (emit_vop &&
-			    (v_swiz[src[i].v_swz].flags & SLOT_SCALAR)) {
+			    (v_swiz[REG_GET_VSWZ(src[i])].flags & SLOT_SCALAR)) {
 				vpos = spos = MAX2(vpos, spos);
 				break;
 			}
 			if (emit_sop &&
-			    (s_swiz[src[i].s_swz].flags & SLOT_VECTOR)) {
+			    (s_swiz[REG_GET_VSWZ(src[i])].flags & SLOT_VECTOR)) {
 				vpos = spos = MAX2(vpos, spos);
 				break;
 			}
@@ -908,20 +1081,22 @@ static void emit_arith(struct r300_fragm
 
 		if (emit_vop && vop != R300_FPI0_OUTC_REPL_ALPHA) {
 			srcpos = add_src(rp, hwsrc[i], vpos,
-					 v_swiz[src[i].v_swz].flags);	
-			vswz[i] = (v_swiz[src[i].v_swz].base +
-				   (srcpos * v_swiz[src[i].v_swz].stride)) |
-				(src[i].negate_v ? ARG_NEG : 0) |
-				(src[i].absolute ? ARG_ABS : 0);
+					 v_swiz[REG_GET_VSWZ(src[i])].flags);
+			vswz[i] = (v_swiz[REG_GET_VSWZ(src[i])].base +
+				   (srcpos *
+				    v_swiz[REG_GET_VSWZ(src[i])].stride)) |
+				((src[i] & REG_NEGV_MASK) ? ARG_NEG : 0) |
+				((src[i] & REG_ABS_MASK) ? ARG_ABS : 0);
 		} else vswz[i] = R300_FPI0_ARGC_ZERO;
 		
 		if (emit_sop) {
 			srcpos = add_src(rp, hwsrc[i], spos,
-					 s_swiz[src[i].s_swz].flags);
-			sswz[i] = (s_swiz[src[i].s_swz].base +
-				   (srcpos * s_swiz[src[i].s_swz].stride)) |
-				(src[i].negate_s ? ARG_NEG : 0) |
-				(src[i].absolute ? ARG_ABS : 0);	
+					 s_swiz[REG_GET_SSWZ(src[i])].flags);
+			sswz[i] = (s_swiz[REG_GET_SSWZ(src[i])].base +
+				   (srcpos *
+				    s_swiz[REG_GET_SSWZ(src[i])].stride)) |
+				((src[i] & REG_NEGS_MASK) ? ARG_NEG : 0) |
+				((src[i] & REG_ABS_MASK) ? ARG_ABS : 0);
 		} else sswz[i] = R300_FPI2_ARGA_ZERO;
 	}
 	hwdest = t_hw_dst(rp, dest, GL_FALSE);
@@ -943,8 +1118,8 @@ static void emit_arith(struct r300_fragm
 				(vswz[2] << R300_FPI0_ARG2C_SHIFT);
 
 		rp->alu.inst[vpos].inst1 |= hwdest << R300_FPI1_DSTC_SHIFT;
-		if (dest.type == REG_TYPE_OUTPUT) {
-			if (dest.index == FRAG_RESULT_COLR) {
+		if (REG_GET_TYPE(dest) == REG_TYPE_OUTPUT) {
+			if (REG_GET_INDEX(dest) == FRAG_RESULT_COLR) {
 				rp->alu.inst[vpos].inst1 |=
 					(mask & WRITEMASK_XYZ) << R300_FPI1_DSTC_OUTPUT_MASK_SHIFT;
 			} else assert(0);
@@ -968,11 +1143,11 @@ static void emit_arith(struct r300_fragm
 				sswz[2] << R300_FPI2_ARG2A_SHIFT;
 
 		if (mask & WRITEMASK_W) {
-			if (dest.type == REG_TYPE_OUTPUT) {
-				if (dest.index == FRAG_RESULT_COLR) {
+			if (REG_GET_TYPE(dest) == REG_TYPE_OUTPUT) {
+				if (REG_GET_INDEX(dest) == FRAG_RESULT_COLR) {
 					rp->alu.inst[spos].inst3 |= 
 							(hwdest << R300_FPI3_DSTA_SHIFT) | R300_FPI3_DSTA_OUTPUT;
-				} else if (dest.index == FRAG_RESULT_DEPR) {
+				} else if (REG_GET_INDEX(dest) == FRAG_RESULT_DEPR) {
 					rp->alu.inst[spos].inst3 |= R300_FPI3_DSTA_DEPTH;
 				} else assert(0);
 			} else {
@@ -985,22 +1160,22 @@ static void emit_arith(struct r300_fragm
 		rp->alu.inst[vpos].inst2 = NOP_INST2;
 
 	return;
-};
+}
 
 #if 0
-static pfs_reg_t get_attrib(struct r300_fragment_program *rp, GLuint attr)
+static GLuint get_attrib(struct r300_fragment_program *rp, GLuint attr)
 {
 	struct gl_fragment_program *mp = &rp->mesa_program;
-	pfs_reg_t r = undef;
+	GLuint r = undef;
 
 	if (!(mp->Base.InputsRead & (1<<attr))) {
 		ERROR("Attribute %d was not provided!\n", attr);
 		return undef;
 	}
 
-	r.type  = REG_TYPE_INPUT;
-	r.index = attr;
-	r.valid = GL_TRUE;
+	REG_SET_TYPE(r, REG_TYPE_INPUT);
+	REG_SET_INDEX(r, attr);
+	REG_SET_VALID(r, GL_TRUE);
 	return r;
 }
 #endif
@@ -1010,8 +1185,8 @@ static GLboolean parse_program(struct r3
 	struct gl_fragment_program *mp = &rp->mesa_program;
 	const struct prog_instruction *inst = mp->Base.Instructions;
 	struct prog_instruction *fpi;
-	pfs_reg_t src[3], dest, temp;
-	pfs_reg_t cnst;
+	GLuint src[3], dest, temp;
+	GLuint cnst;
 	int flags, mask = 0;
 	GLfloat cnstv[4] = {0.0, 0.0, 0.0, 0.0};
 
@@ -1167,7 +1342,7 @@ static GLboolean parse_program(struct r3
 			/* result.x = 1.0
 			 * result.w = src1.w */
 			if (mask & WRITEMASK_XW) {
-				src[1].v_swz = SWIZZLE_111; /* Cheat.. */
+				REG_SET_VSWZ(src[1], SWIZZLE_111); /*Cheat*/
 				emit_arith(rp, PFS_OP_MAD, dest,
 					   mask & WRITEMASK_XW,
 					   src[1], pfs_one, pfs_zero,
diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.h b/src/mesa/drivers/dri/r300/r300_fragprog.h
index 4bbaa07..b0cebe6 100644
--- a/src/mesa/drivers/dri/r300/r300_fragprog.h
+++ b/src/mesa/drivers/dri/r300/r300_fragprog.h
@@ -41,6 +41,7 @@
 #include "r300_context.h"
 #include "program_instruction.h"
 
+#if 0
 /* representation of a register for emit_arith/swizzle */
 typedef struct _pfs_reg_t {
 	enum {
@@ -58,7 +59,7 @@ typedef struct _pfs_reg_t {
 	GLboolean no_use:1;
 	GLboolean valid:1;
 } pfs_reg_t;
-
+#endif
 typedef struct r300_fragment_program_swizzle {
 	GLuint length;
 	GLuint src[4];



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