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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_fragprog.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_fragprog.c774
1 files changed, 509 insertions, 265 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c
index 251fd26082..b2c89ccb36 100644
--- a/src/mesa/drivers/dri/r300/r300_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r300_fragprog.c
@@ -94,8 +94,9 @@
#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_NO_USE_SHIFT 21 // Hack for refcounting
+#define REG_VALID_SHIFT 22 // Does the register contain a defined value?
+#define REG_BUILTIN_SHIFT 23 // Is it a builtin (like all zero/all one)?
#define REG_TYPE_MASK (0x03 << REG_TYPE_SHIFT)
#define REG_INDEX_MASK (0x3F << REG_INDEX_SHIFT)
@@ -106,12 +107,14 @@
#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_BUILTIN_MASK (0x01 << REG_BUILTIN_SHIFT)
-#define REG(type, index, vswz, sswz, nouse, valid) \
+#define REG(type, index, vswz, sswz, nouse, valid, builtin) \
(((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) | \
+ ((builtin << REG_BUILTIN_SHIFT) & REG_BUILTIN_MASK) | \
((vswz << REG_VSWZ_SHIFT) & REG_VSWZ_MASK) | \
((sswz << REG_SSWZ_SHIFT) & REG_SSWZ_MASK))
#define REG_GET_TYPE(reg) \
@@ -126,6 +129,8 @@
((reg & REG_NO_USE_MASK) >> REG_NO_USE_SHIFT)
#define REG_GET_VALID(reg) \
((reg & REG_VALID_MASK) >> REG_VALID_SHIFT)
+#define REG_GET_BUILTIN(reg) \
+ ((reg & REG_BUILTIN_MASK) >> REG_BUILTIN_SHIFT)
#define REG_SET_TYPE(reg, type) \
reg = ((reg & ~REG_TYPE_MASK) | \
((type << REG_TYPE_SHIFT) & REG_TYPE_MASK))
@@ -144,6 +149,9 @@
#define REG_SET_VALID(reg, valid) \
reg = ((reg & ~REG_VALID_MASK) | \
((valid << REG_VALID_SHIFT) & REG_VALID_MASK))
+#define REG_SET_BUILTIN(reg, builtin) \
+ reg = ((reg & ~REG_BUILTIN_MASK) | \
+ ((builtin << REG_BUILTIN_SHIFT) & REG_BUILTIN_MASK))
#define REG_ABS(reg) \
reg = (reg | REG_ABS_MASK)
#define REG_NEGV(reg) \
@@ -184,9 +192,6 @@ static const struct {
*
* 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)
/* mapping from SWIZZLE_* to r300 native values for scalar insns */
#define SWIZZLE_HALF 6
@@ -202,14 +207,14 @@ static const struct r300_pfs_swizzle {
GLuint flags;
} v_swiz[] = {
/* native swizzles */
- { MAKE_SWZ3(X, Y, Z), R300_FPI0_ARGC_SRC0C_XYZ, 4, SLOT_VECTOR },
- { MAKE_SWZ3(X, X, X), R300_FPI0_ARGC_SRC0C_XXX, 4, SLOT_VECTOR },
- { MAKE_SWZ3(Y, Y, Y), R300_FPI0_ARGC_SRC0C_YYY, 4, SLOT_VECTOR },
- { MAKE_SWZ3(Z, Z, Z), R300_FPI0_ARGC_SRC0C_ZZZ, 4, SLOT_VECTOR },
- { MAKE_SWZ3(W, W, W), R300_FPI0_ARGC_SRC0A, 1, SLOT_SCALAR },
- { MAKE_SWZ3(Y, Z, X), R300_FPI0_ARGC_SRC0C_YZX, 1, SLOT_VECTOR },
- { MAKE_SWZ3(Z, X, Y), R300_FPI0_ARGC_SRC0C_ZXY, 1, SLOT_VECTOR },
- { MAKE_SWZ3(W, Z, Y), R300_FPI0_ARGC_SRC0CA_WZY, 1, SLOT_BOTH },
+ { MAKE_SWZ3(X, Y, Z), R300_FPI0_ARGC_SRC0C_XYZ, 4, SLOT_SRC_VECTOR },
+ { MAKE_SWZ3(X, X, X), R300_FPI0_ARGC_SRC0C_XXX, 4, SLOT_SRC_VECTOR },
+ { MAKE_SWZ3(Y, Y, Y), R300_FPI0_ARGC_SRC0C_YYY, 4, SLOT_SRC_VECTOR },
+ { MAKE_SWZ3(Z, Z, Z), R300_FPI0_ARGC_SRC0C_ZZZ, 4, SLOT_SRC_VECTOR },
+ { MAKE_SWZ3(W, W, W), R300_FPI0_ARGC_SRC0A, 1, SLOT_SRC_SCALAR },
+ { MAKE_SWZ3(Y, Z, X), R300_FPI0_ARGC_SRC0C_YZX, 1, SLOT_SRC_VECTOR },
+ { MAKE_SWZ3(Z, X, Y), R300_FPI0_ARGC_SRC0C_ZXY, 1, SLOT_SRC_VECTOR },
+ { MAKE_SWZ3(W, Z, Y), R300_FPI0_ARGC_SRC0CA_WZY, 1, SLOT_SRC_BOTH },
{ MAKE_SWZ3(ONE, ONE, ONE), R300_FPI0_ARGC_ONE, 0, 0},
{ MAKE_SWZ3(ZERO, ZERO, ZERO), R300_FPI0_ARGC_ZERO, 0, 0},
{ MAKE_SWZ3(HALF, HALF, HALF), R300_FPI0_ARGC_HALF, 0, 0},
@@ -241,10 +246,10 @@ static const struct {
int stride; /* difference between SRC0/1/2 */
GLuint flags;
} s_swiz[] = {
- { R300_FPI2_ARGA_SRC0C_X, 3, SLOT_VECTOR },
- { R300_FPI2_ARGA_SRC0C_Y, 3, SLOT_VECTOR },
- { R300_FPI2_ARGA_SRC0C_Z, 3, SLOT_VECTOR },
- { R300_FPI2_ARGA_SRC0A , 1, SLOT_SCALAR },
+ { R300_FPI2_ARGA_SRC0C_X, 3, SLOT_SRC_VECTOR },
+ { R300_FPI2_ARGA_SRC0C_Y, 3, SLOT_SRC_VECTOR },
+ { R300_FPI2_ARGA_SRC0C_Z, 3, SLOT_SRC_VECTOR },
+ { R300_FPI2_ARGA_SRC0A , 1, SLOT_SRC_SCALAR },
{ R300_FPI2_ARGA_ZERO , 0, 0 },
{ R300_FPI2_ARGA_ONE , 0, 0 },
{ R300_FPI2_ARGA_HALF , 0, 0 }
@@ -256,6 +261,7 @@ static const GLuint undef = REG(REG_TYPE_TEMP,
SWIZZLE_XYZ,
SWIZZLE_W,
GL_FALSE,
+ GL_FALSE,
GL_FALSE);
/* constant one source */
@@ -264,6 +270,7 @@ static const GLuint pfs_one = REG(REG_TYPE_CONST,
SWIZZLE_111,
SWIZZLE_ONE,
GL_FALSE,
+ GL_TRUE,
GL_TRUE);
/* constant half source */
@@ -272,6 +279,7 @@ static const GLuint pfs_half = REG(REG_TYPE_CONST,
SWIZZLE_HHH,
SWIZZLE_HALF,
GL_FALSE,
+ GL_TRUE,
GL_TRUE);
/* constant zero source */
@@ -280,6 +288,7 @@ static const GLuint pfs_zero = REG(REG_TYPE_CONST,
SWIZZLE_000,
SWIZZLE_ZERO,
GL_FALSE,
+ GL_TRUE,
GL_TRUE);
/*
@@ -291,47 +300,105 @@ static void emit_arith(struct r300_fragment_program *rp, int op,
GLuint src0, GLuint src1, GLuint src2,
int flags);
-/*
- * Helper functions prototypes
+/**
+ * Get an R300 temporary that can be written to in the given slot.
*/
-static int get_hw_temp(struct r300_fragment_program *rp)
+static int get_hw_temp(struct r300_fragment_program *rp, int slot)
{
COMPILE_STATE;
- int r = ffs(~cs->hwreg_in_use);
- if (!r) {
+ int r;
+
+ for(r = 0; r < PFS_NUM_TEMP_REGS; ++r) {
+ if (cs->hwtemps[r].free >= 0 && cs->hwtemps[r].free <= slot)
+ break;
+ }
+
+ if (r >= PFS_NUM_TEMP_REGS) {
ERROR("Out of hardware temps\n");
return 0;
}
-
- cs->hwreg_in_use |= (1 << --r);
+
+ // Reserved is used to avoid the following scenario:
+ // R300 temporary X is first assigned to Mesa temporary Y during vector ops
+ // R300 temporary X is then assigned to Mesa temporary Z for further vector ops
+ // Then scalar ops on Mesa temporary Z are emitted and move back in time
+ // to overwrite the value of temporary Y.
+ // End scenario.
+ cs->hwtemps[r].reserved = cs->hwtemps[r].free;
+ cs->hwtemps[r].free = -1;
+
+ // Reset to some value that won't mess things up when the user
+ // tries to read from a temporary that hasn't been assigned a value yet.
+ // In the normal case, vector_valid and scalar_valid should be set to
+ // a sane value by the first emit that writes to this temporary.
+ cs->hwtemps[r].vector_valid = 0;
+ cs->hwtemps[r].scalar_valid = 0;
+
if (r > rp->max_temp_idx)
rp->max_temp_idx = r;
-
+
return r;
}
+/**
+ * Get an R300 temporary that will act as a TEX destination register.
+ */
static int get_hw_temp_tex(struct r300_fragment_program *rp)
{
COMPILE_STATE;
int r;
- r = ffs(~(cs->hwreg_in_use | cs->used_in_node));
- if (!r)
- return get_hw_temp(rp); /* Will cause an indirection */
+ for(r = 0; r < PFS_NUM_TEMP_REGS; ++r) {
+ if (cs->used_in_node & (1 << r))
+ continue;
+
+ // Note: Be very careful here
+ if (cs->hwtemps[r].free >= 0 && cs->hwtemps[r].free <= 0)
+ break;
+ }
+
+ if (r >= PFS_NUM_TEMP_REGS)
+ return get_hw_temp(rp, 0); /* Will cause an indirection */
- cs->hwreg_in_use |= (1 << --r);
+ cs->hwtemps[r].reserved = cs->hwtemps[r].free;
+ cs->hwtemps[r].free = -1;
+
+ // Reset to some value that won't mess things up when the user
+ // tries to read from a temporary that hasn't been assigned a value yet.
+ // In the normal case, vector_valid and scalar_valid should be set to
+ // a sane value by the first emit that writes to this temporary.
+ cs->hwtemps[r].vector_valid = cs->nrslots;
+ cs->hwtemps[r].scalar_valid = cs->nrslots;
+
if (r > rp->max_temp_idx)
rp->max_temp_idx = r;
return r;
}
+/**
+ * Mark the given hardware register as free.
+ */
static void free_hw_temp(struct r300_fragment_program *rp, int idx)
{
COMPILE_STATE;
- cs->hwreg_in_use &= ~(1<<idx);
+
+ // Be very careful here. Consider sequences like
+ // MAD r0, r1,r2,r3
+ // TEX r4, ...
+ // The TEX instruction may be moved in front of the MAD instruction
+ // due to the way nodes work. We don't want to alias r1 and r4 in
+ // this case.
+ // I'm certain the register allocation could be further sanitized,
+ // but it's tricky because of stuff that can happen inside emit_tex
+ // and emit_arith.
+ cs->hwtemps[idx].free = cs->nrslots+1;
}
+
+/**
+ * Create a new Mesa temporary register.
+ */
static GLuint get_temp_reg(struct r300_fragment_program *rp)
{
COMPILE_STATE;
@@ -354,6 +421,10 @@ static GLuint get_temp_reg(struct r300_fragment_program *rp)
return r;
}
+/**
+ * Create a new Mesa temporary register that will act as the destination
+ * register for a texture read.
+ */
static GLuint get_temp_reg_tex(struct r300_fragment_program *rp)
{
COMPILE_STATE;
@@ -376,6 +447,9 @@ static GLuint get_temp_reg_tex(struct r300_fragment_program *rp)
return r;
}
+/**
+ * Free a Mesa temporary and the associated R300 temporary.
+ */
static void free_temp(struct r300_fragment_program *rp, GLuint r)
{
COMPILE_STATE;
@@ -762,10 +836,10 @@ static int t_hw_src(struct r300_fragment_program *rp,
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
+ * hasn't been written to. Undefined results.
*/
if (cs->temps[index].reg == -1)
- cs->temps[index].reg = get_hw_temp(rp);
+ cs->temps[index].reg = get_hw_temp(rp, cs->nrslots);
idx = cs->temps[index].reg;
@@ -795,7 +869,8 @@ static int t_hw_src(struct r300_fragment_program *rp,
static int t_hw_dst(struct r300_fragment_program *rp,
GLuint dest,
- GLboolean tex)
+ GLboolean tex,
+ int slot)
{
COMPILE_STATE;
int idx;
@@ -806,7 +881,7 @@ static int t_hw_dst(struct r300_fragment_program *rp,
case REG_TYPE_TEMP:
if (cs->temps[REG_GET_INDEX(dest)].reg == -1) {
if (!tex) {
- cs->temps[index].reg = get_hw_temp(rp);
+ cs->temps[index].reg = get_hw_temp(rp, slot);
} else {
cs->temps[index].reg = get_hw_temp_tex(rp);
}
@@ -839,26 +914,20 @@ static int t_hw_dst(struct r300_fragment_program *rp,
return idx;
}
-static void emit_nop(struct r300_fragment_program *rp,
- GLuint mask,
- GLboolean sync)
+static void emit_nop(struct r300_fragment_program *rp)
{
COMPILE_STATE;
- if (sync)
- cs->v_pos = cs->s_pos = MAX2(cs->v_pos, cs->s_pos);
-
- if (mask & WRITEMASK_XYZ) {
- rp->alu.inst[cs->v_pos].inst0 = NOP_INST0;
- rp->alu.inst[cs->v_pos].inst1 = NOP_INST1;
- cs->v_pos++;
- }
-
- if (mask & WRITEMASK_W) {
- rp->alu.inst[cs->s_pos].inst2 = NOP_INST2;
- rp->alu.inst[cs->s_pos].inst3 = NOP_INST3;
- cs->s_pos++;
+ if (cs->nrslots >= PFS_MAX_ALU_INST) {
+ ERROR("Out of ALU instruction slots\n");
+ return;
}
+
+ rp->alu.inst[cs->nrslots].inst0 = NOP_INST0;
+ rp->alu.inst[cs->nrslots].inst1 = NOP_INST1;
+ rp->alu.inst[cs->nrslots].inst2 = NOP_INST2;
+ rp->alu.inst[cs->nrslots].inst3 = NOP_INST3;
+ cs->nrslots++;
}
static void emit_tex(struct r300_fragment_program *rp,
@@ -882,7 +951,7 @@ static void emit_tex(struct r300_fragment_program *rp,
rdest = dest;
dest = get_temp_reg_tex(rp);
}
- hwdest = t_hw_dst(rp, dest, GL_TRUE);
+ hwdest = t_hw_dst(rp, dest, GL_TRUE, rp->node[rp->cur_node].alu_offset);
/* Use a temp that hasn't been used in this node, rather
* than causing an indirection
@@ -904,15 +973,11 @@ static void emit_tex(struct r300_fragment_program *rp,
(din & (1<<hwsrc))) || (uin & (1<<hwdest))) {
/* Finish off current node */
- cs->v_pos = cs->s_pos = MAX2(cs->v_pos, cs->s_pos);
- if (rp->node[rp->cur_node].alu_offset == cs->v_pos) {
- /* No alu instructions in the node? Emit a NOP. */
- emit_nop(rp, WRITEMASK_XYZW, GL_TRUE);
- cs->v_pos = cs->s_pos = MAX2(cs->v_pos, cs->s_pos);
- }
+ if (rp->node[rp->cur_node].alu_offset == cs->nrslots)
+ emit_nop(rp);
rp->node[rp->cur_node].alu_end =
- cs->v_pos - rp->node[rp->cur_node].alu_offset - 1;
+ cs->nrslots - rp->node[rp->cur_node].alu_offset - 1;
assert(rp->node[rp->cur_node].alu_end >= 0);
if (++rp->cur_node >= PFS_MAX_TEX_INDIRECT) {
@@ -922,7 +987,7 @@ static void emit_tex(struct r300_fragment_program *rp,
/* Start new node */
rp->node[rp->cur_node].tex_offset = rp->tex.length;
- rp->node[rp->cur_node].alu_offset = cs->v_pos;
+ rp->node[rp->cur_node].alu_offset = cs->nrslots;
rp->node[rp->cur_node].tex_end = -1;
rp->node[rp->cur_node].alu_end = -1;
rp->node[rp->cur_node].flags = 0;
@@ -954,84 +1019,243 @@ static void emit_tex(struct r300_fragment_program *rp,
}
}
-/* Add sources to FPI1/FPI3 lists. If source is already on list,
- * reuse the index instead of wasting a source.
+
+/**
+ * Returns the first slot where we could possibly allow writing to dest,
+ * according to register allocation.
*/
-static int add_src(struct r300_fragment_program *rp,
- int reg,
- int pos,
- int srcmask)
+static int get_earliest_allowed_write(
+ struct r300_fragment_program* rp,
+ GLuint dest)
{
COMPILE_STATE;
- int csm, i;
-
- /* Look for matches */
- for (i=0,csm=srcmask; i<3; i++,csm=csm<<1) {
- /* If sources have been allocated in this position(s)... */
- if ((cs->slot[pos].umask & csm) == csm) {
- /* ... and the register number(s) match, re-use the
- source */
- if (srcmask == SLOT_VECTOR &&
- cs->slot[pos].vsrc[i] == reg)
- return i;
- if (srcmask == SLOT_SCALAR &&
- cs->slot[pos].ssrc[i] == reg)
- return i;
- if (srcmask == SLOT_BOTH &&
- cs->slot[pos].vsrc[i] == reg &&
- cs->slot[pos].ssrc[i] == reg)
- return i;
- }
- }
+ int idx;
+ GLuint index = REG_GET_INDEX(dest);
+ assert(REG_GET_VALID(dest));
- /* Look for free spaces */
- for (i=0,csm=srcmask; i<3; i++,csm=csm<<1) {
- /* If the position(s) haven't been allocated */
- if ((cs->slot[pos].umask & csm) == 0) {
- cs->slot[pos].umask |= csm;
-
- if (srcmask & SLOT_VECTOR)
- cs->slot[pos].vsrc[i] = reg;
- if (srcmask & SLOT_SCALAR)
- cs->slot[pos].ssrc[i] = reg;
- return i;
- }
+ switch(REG_GET_TYPE(dest)) {
+ case REG_TYPE_TEMP:
+ if (cs->temps[index].reg == -1)
+ return 0;
+
+ idx = cs->temps[index].reg;
+ break;
+ case REG_TYPE_OUTPUT:
+ return 0;
+ default:
+ ERROR("invalid dest reg type %d\n", REG_GET_TYPE(dest));
+ return 0;
}
- //ERROR("Failed to allocate sources in FPI1/FPI3!\n");
- return 0;
+ return cs->hwtemps[idx].reserved;
}
-/* Determine whether or not to position opcode in the same ALU slot for both
- * vector and scalar portions of an instruction.
+
+/**
+ * Allocates a slot for an ALU instruction that can consist of
+ * a vertex part or a scalar part or both.
+ *
+ * Sources from src (src[0] to src[argc-1]) are added to the slot in the
+ * appropriate position (vector and/or scalar), and their positions are
+ * recorded in the srcpos array.
+ *
+ * This function emits instruction code for the source fetch and the
+ * argument selection. It does not emit instruction code for the
+ * opcode or the destination selection.
*
- * It's not necessary to force the first case, but it makes disassembled
- * shaders easier to read.
+ * @return the index of the slot
*/
-static GLboolean force_same_slot(int vop,
- int sop,
- GLboolean emit_vop,
- GLboolean emit_sop,
- int argc,
- GLuint *src)
+static int find_and_prepare_slot(struct r300_fragment_program* rp,
+ GLboolean emit_vop,
+ GLboolean emit_sop,
+ int argc,
+ GLuint* src,
+ GLuint dest)
{
- int i;
-
- if (emit_vop && emit_sop)
- return GL_TRUE;
+ COMPILE_STATE;
+ int hwsrc[3];
+ int srcpos[3];
+ unsigned int used;
+ int tempused;
+ int tempvsrc[3];
+ int tempssrc[3];
+ int pos;
+ int regnr;
+ int i,j;
+
+ // Determine instruction slots, whether sources are required on
+ // vector or scalar side, and the smallest slot number where
+ // all source registers are available
+ used = 0;
+ if (emit_vop)
+ used |= SLOT_OP_VECTOR;
+ if (emit_sop)
+ used |= SLOT_OP_SCALAR;
+
+ pos = get_earliest_allowed_write(rp, dest);
+
+ if (rp->node[rp->cur_node].alu_offset > pos)
+ pos = rp->node[rp->cur_node].alu_offset;
+ for(i = 0; i < argc; ++i) {
+ if (!REG_GET_BUILTIN(src[i])) {
+ if (emit_vop)
+ used |= v_swiz[REG_GET_VSWZ(src[i])].flags << i;
+ if (emit_sop)
+ used |= s_swiz[REG_GET_SSWZ(src[i])].flags << i;
+ }
+
+ hwsrc[i] = t_hw_src(rp, src[i], GL_FALSE); /* Note: sideeffects wrt refcounting! */
+ regnr = hwsrc[i] & 31;
+
+ if (REG_GET_TYPE(src[i]) == REG_TYPE_TEMP) {
+ if (used & (SLOT_SRC_VECTOR << i)) {
+ if (cs->hwtemps[regnr].vector_valid > pos)
+ pos = cs->hwtemps[regnr].vector_valid;
+ }
+ if (used & (SLOT_SRC_SCALAR << i)) {
+ if (cs->hwtemps[regnr].scalar_valid > pos)
+ pos = cs->hwtemps[regnr].scalar_valid;
+ }
+ }
+ }
+
+ // Find a slot that fits
+ for(; ; ++pos) {
+ if (cs->slot[pos].used & used & SLOT_OP_BOTH)
+ continue;
+
+ if (pos >= cs->nrslots) {
+ if (cs->nrslots >= PFS_MAX_ALU_INST) {
+ ERROR("Out of ALU instruction slots\n");
+ return -1;
+ }
- if (emit_vop && vop == R300_FPI0_OUTC_REPL_ALPHA)
- return GL_TRUE;
+ rp->alu.inst[pos].inst0 = NOP_INST0;
+ rp->alu.inst[pos].inst2 = NOP_INST2;
+ cs->nrslots++;
+ }
+
+ // Note: When we need both parts (vector and scalar) of a source,
+ // we always try to put them into the same position. This makes the
+ // code easier to read, and it is optimal (i.e. one doesn't gain
+ // anything by splitting the parts).
+ // It also avoids headaches with swizzles that access both parts (i.e WXY)
+ tempused = cs->slot[pos].used;
+ for(i = 0; i < 3; ++i) {
+ tempvsrc[i] = cs->slot[pos].vsrc[i];
+ tempssrc[i] = cs->slot[pos].ssrc[i];
+ }
+
+ for(i = 0; i < argc; ++i) {
+ int flags = (used >> i) & SLOT_SRC_BOTH;
+
+ if (!flags) {
+ srcpos[i] = 0;
+ continue;
+ }
+
+ for(j = 0; j < 3; ++j) {
+ if ((tempused >> j) & flags & SLOT_SRC_VECTOR) {
+ if (tempvsrc[j] != hwsrc[i])
+ continue;
+ }
+
+ if ((tempused >> j) & flags & SLOT_SRC_SCALAR) {
+ if (tempssrc[j] != hwsrc[i])
+ continue;
+ }
+
+ break;
+ }
+
+ if (j == 3)
+ break;
+
+ srcpos[i] = j;
+ tempused |= flags << j;
+ if (flags & SLOT_SRC_VECTOR)
+ tempvsrc[j] = hwsrc[i];
+ if (flags & SLOT_SRC_SCALAR)
+ tempssrc[j] = hwsrc[i];
+ }
+
+ if (i == argc)
+ break;
+ }
+
+ // Found a slot, reserve it
+ cs->slot[pos].used = tempused | (used & SLOT_OP_BOTH);
+ for(i = 0; i < 3; ++i) {
+ cs->slot[pos].vsrc[i] = tempvsrc[i];
+ cs->slot[pos].ssrc[i] = tempssrc[i];
+ }
+
+ // Emit the source fetch code
+ rp->alu.inst[pos].inst1 &= ~R300_FPI1_SRC_MASK;
+ rp->alu.inst[pos].inst1 |=
+ ((cs->slot[pos].vsrc[0] << R300_FPI1_SRC0C_SHIFT) |
+ (cs->slot[pos].vsrc[1] << R300_FPI1_SRC1C_SHIFT) |
+ (cs->slot[pos].vsrc[2] << R300_FPI1_SRC2C_SHIFT));
+
+ rp->alu.inst[pos].inst3 &= ~R300_FPI3_SRC_MASK;
+ rp->alu.inst[pos].inst3 |=
+ ((cs->slot[pos].ssrc[0] << R300_FPI3_SRC0A_SHIFT) |
+ (cs->slot[pos].ssrc[1] << R300_FPI3_SRC1A_SHIFT) |
+ (cs->slot[pos].ssrc[2] << R300_FPI3_SRC2A_SHIFT));
+
+ // Emit the argument selection code
if (emit_vop) {
- for (i=0;i<argc;i++)
- if (REG_GET_VSWZ(src[i]) == SWIZZLE_WZY)
- return GL_TRUE;
+ int swz[3];
+
+ for(i = 0; i < 3; ++i) {
+ if (i < argc) {
+ swz[i] = (v_swiz[REG_GET_VSWZ(src[i])].base +
+ (srcpos[i] * 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 {
+ swz[i] = R300_FPI0_ARGC_ZERO;
+ }
+ }
+
+ rp->alu.inst[pos].inst0 &=
+ ~(R300_FPI0_ARG0C_MASK|R300_FPI0_ARG1C_MASK|R300_FPI0_ARG2C_MASK);
+ rp->alu.inst[pos].inst0 |=
+ (swz[0] << R300_FPI0_ARG0C_SHIFT) |
+ (swz[1] << R300_FPI0_ARG1C_SHIFT) |
+ (swz[2] << R300_FPI0_ARG2C_SHIFT);
+ }
+
+ if (emit_sop) {
+ int swz[3];
+
+ for(i = 0; i < 3; ++i) {
+ if (i < argc) {
+ swz[i] = (s_swiz[REG_GET_SSWZ(src[i])].base +
+ (srcpos[i] * s_swiz[REG_GET_SSWZ(src[i])].stride)) |
+ ((src[i] & REG_NEGV_MASK) ? ARG_NEG : 0) |
+ ((src[i] & REG_ABS_MASK) ? ARG_ABS : 0);
+ } else {
+ swz[i] = R300_FPI2_ARGA_ZERO;
+ }
+ }
+
+ rp->alu.inst[pos].inst2 &=
+ ~(R300_FPI2_ARG0A_MASK|R300_FPI2_ARG1A_MASK|R300_FPI2_ARG2A_MASK);
+ rp->alu.inst[pos].inst2 |=
+ (swz[0] << R300_FPI2_ARG0A_SHIFT) |
+ (swz[1] << R300_FPI2_ARG1A_SHIFT) |
+ (swz[2] << R300_FPI2_ARG2A_SHIFT);
}
- return GL_FALSE;
+ return pos;
}
+
+/**
+ * Append an ALU instruction to the instruction list.
+ */
static void emit_arith(struct r300_fragment_program *rp,
int op,
GLuint dest,
@@ -1043,87 +1267,31 @@ static void emit_arith(struct r300_fragment_program *rp,
{
COMPILE_STATE;
GLuint src[3] = { src0, src1, src2 };
- int hwsrc[3], sswz[3], vswz[3];
int hwdest;
- GLboolean emit_vop = GL_FALSE, emit_sop = GL_FALSE;
+ GLboolean emit_vop, emit_sop;
int vop, sop, argc;
- int vpos, spos;
- int i;
+ int pos;
vop = r300_fpop[op].v_op;
sop = r300_fpop[op].s_op;
argc = r300_fpop[op].argc;
+ if (REG_GET_TYPE(dest) == REG_TYPE_OUTPUT &&
+ REG_GET_INDEX(dest) == FRAG_RESULT_DEPR)
+ mask &= ~WRITEMASK_XYZ;
+
+ emit_vop = GL_FALSE;
+ emit_sop = GL_FALSE;
if ((mask & WRITEMASK_XYZ) || vop == R300_FPI0_OUTC_DP3)
emit_vop = GL_TRUE;
if ((mask & WRITEMASK_W) || vop == R300_FPI0_OUTC_REPL_ALPHA)
emit_sop = GL_TRUE;
- 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)) {
- vpos = spos = MAX2(cs->v_pos, cs->s_pos);
- } else {
- vpos = cs->v_pos;
- spos = cs->s_pos;
- /* Here is where we'd decide on where a safe place is to
- * combine this instruction with a previous one.
- *
- * This is extremely simple for now.. if a source depends
- * on the opposite stream, force the same instruction.
- */
- for (i=0;i<3;i++) {
- if (emit_vop &&
- (v_swiz[REG_GET_VSWZ(src[i])].flags & SLOT_SCALAR)) {
- vpos = spos = MAX2(vpos, spos);
- break;
- }
- if (emit_sop &&
- (s_swiz[REG_GET_SSWZ(src[i])].flags & SLOT_VECTOR)) {
- vpos = spos = MAX2(vpos, spos);
- break;
- }
- }
- }
+ pos = find_and_prepare_slot(rp, emit_vop, emit_sop, argc, src, dest);
+ if (pos < 0)
+ return;
- /* - Convert src->hwsrc, record for FPI1/FPI3
- * - Determine ARG parts of FPI0/FPI2, unused args are filled
- * with ARG_ZERO.
- */
- for (i=0;i<3;i++) {
- int srcpos;
-
- if (i >= argc) {
- vswz[i] = R300_FPI0_ARGC_ZERO;
- sswz[i] = R300_FPI2_ARGA_ZERO;
- continue;
- }
-
- hwsrc[i] = t_hw_src(rp, src[i], GL_FALSE);
-
- if (emit_vop && vop != R300_FPI0_OUTC_REPL_ALPHA) {
- srcpos = add_src(rp, hwsrc[i], vpos,
- 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[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);
+ hwdest = t_hw_dst(rp, dest, GL_FALSE, pos); /* Note: Side effects wrt register allocation */
if (flags & PFS_FLAG_SAT) {
vop |= R300_FPI0_OUTC_SAT;
@@ -1131,58 +1299,45 @@ static void emit_arith(struct r300_fragment_program *rp,
}
/* Throw the pieces together and get FPI0/1 */
- rp->alu.inst[vpos].inst1 =
- ((cs->slot[vpos].vsrc[0] << R300_FPI1_SRC0C_SHIFT) |
- (cs->slot[vpos].vsrc[1] << R300_FPI1_SRC1C_SHIFT) |
- (cs->slot[vpos].vsrc[2] << R300_FPI1_SRC2C_SHIFT));
if (emit_vop) {
- rp->alu.inst[vpos].inst0 = vop |
- (vswz[0] << R300_FPI0_ARG0C_SHIFT) |
- (vswz[1] << R300_FPI0_ARG1C_SHIFT) |
- (vswz[2] << R300_FPI0_ARG2C_SHIFT);
+ rp->alu.inst[pos].inst0 |= vop;
- rp->alu.inst[vpos].inst1 |= hwdest << R300_FPI1_DSTC_SHIFT;
+ rp->alu.inst[pos].inst1 |= hwdest << R300_FPI1_DSTC_SHIFT;
+
if (REG_GET_TYPE(dest) == REG_TYPE_OUTPUT) {
if (REG_GET_INDEX(dest) == FRAG_RESULT_COLR) {
- rp->alu.inst[vpos].inst1 |=
+ rp->alu.inst[pos].inst1 |=
(mask & WRITEMASK_XYZ) << R300_FPI1_DSTC_OUTPUT_MASK_SHIFT;
} else assert(0);
} else {
- rp->alu.inst[vpos].inst1 |=
+ rp->alu.inst[pos].inst1 |=
(mask & WRITEMASK_XYZ) << R300_FPI1_DSTC_REG_MASK_SHIFT;
+
+ cs->hwtemps[hwdest].vector_valid = pos+1;
}
- cs->v_pos = vpos+1;
- } else if (spos >= vpos)
- rp->alu.inst[spos].inst0 = NOP_INST0;
+ }
/* And now FPI2/3 */
- rp->alu.inst[spos].inst3 =
- ((cs->slot[spos].ssrc[0] << R300_FPI3_SRC0A_SHIFT) |
- (cs->slot[spos].ssrc[1] << R300_FPI3_SRC1A_SHIFT) |
- (cs->slot[spos].ssrc[2] << R300_FPI3_SRC2A_SHIFT));
if (emit_sop) {
- rp->alu.inst[spos].inst2 = sop |
- sswz[0] << R300_FPI2_ARG0A_SHIFT |
- sswz[1] << R300_FPI2_ARG1A_SHIFT |
- sswz[2] << R300_FPI2_ARG2A_SHIFT;
+ rp->alu.inst[pos].inst2 |= sop;
if (mask & WRITEMASK_W) {
if (REG_GET_TYPE(dest) == REG_TYPE_OUTPUT) {
if (REG_GET_INDEX(dest) == FRAG_RESULT_COLR) {
- rp->alu.inst[spos].inst3 |=
+ rp->alu.inst[pos].inst3 |=
(hwdest << R300_FPI3_DSTA_SHIFT) | R300_FPI3_DSTA_OUTPUT;
} else if (REG_GET_INDEX(dest) == FRAG_RESULT_DEPR) {
- rp->alu.inst[spos].inst3 |= R300_FPI3_DSTA_DEPTH;
+ rp->alu.inst[pos].inst3 |= R300_FPI3_DSTA_DEPTH;
} else assert(0);
} else {
- rp->alu.inst[spos].inst3 |=
+ rp->alu.inst[pos].inst3 |=
(hwdest << R300_FPI3_DSTA_SHIFT) | R300_FPI3_DSTA_REG;
+
+ cs->hwtemps[hwdest].scalar_valid = pos+1;
}
}
- cs->s_pos = spos+1;
- } else if (vpos >= spos)
- rp->alu.inst[vpos].inst2 = NOP_INST2;
-
+ }
+
return;
}
@@ -1922,7 +2077,7 @@ static void init_program(r300ContextPtr r300, struct r300_fragment_program *rp)
for (i=0;i<rp->ctx->Const.MaxTextureUnits;i++) {
if (InputsRead & (FRAG_BIT_TEX0 << i)) {
cs->inputs[FRAG_ATTRIB_TEX0+i].refcount = 0;
- cs->inputs[FRAG_ATTRIB_TEX0+i].reg = get_hw_temp(rp);
+ cs->inputs[FRAG_ATTRIB_TEX0+i].reg = get_hw_temp(rp, 0);
}
}
InputsRead &= ~FRAG_BITS_TEX_ANY;
@@ -1930,7 +2085,7 @@ static void init_program(r300ContextPtr r300, struct r300_fragment_program *rp)
/* fragment position treated as a texcoord */
if (InputsRead & FRAG_BIT_WPOS) {
cs->inputs[FRAG_ATTRIB_WPOS].refcount = 0;
- cs->inputs[FRAG_ATTRIB_WPOS].reg = get_hw_temp(rp);
+ cs->inputs[FRAG_ATTRIB_WPOS].reg = get_hw_temp(rp, 0);
insert_wpos(&mp->Base);
}
InputsRead &= ~FRAG_BIT_WPOS;
@@ -1938,14 +2093,14 @@ static void init_program(r300ContextPtr r300, struct r300_fragment_program *rp)
/* Then primary colour */
if (InputsRead & FRAG_BIT_COL0) {
cs->inputs[FRAG_ATTRIB_COL0].refcount = 0;
- cs->inputs[FRAG_ATTRIB_COL0].reg = get_hw_temp(rp);
+ cs->inputs[FRAG_ATTRIB_COL0].reg = get_hw_temp(rp, 0);
}
InputsRead &= ~FRAG_BIT_COL0;
/* Secondary color */
if (InputsRead & FRAG_BIT_COL1) {
cs->inputs[FRAG_ATTRIB_COL1].refcount = 0;
- cs->inputs[FRAG_ATTRIB_COL1].reg = get_hw_temp(rp);
+ cs->inputs[FRAG_ATTRIB_COL1].reg = get_hw_temp(rp, 0);
}
InputsRead &= ~FRAG_BIT_COL1;
@@ -2030,13 +2185,12 @@ void r300_translate_fragment_shader(r300ContextPtr r300, struct r300_fragment_pr
}
/* Finish off */
- cs->v_pos = cs->s_pos = MAX2(cs->v_pos, cs->s_pos);
rp->node[rp->cur_node].alu_end =
- cs->v_pos - rp->node[rp->cur_node].alu_offset - 1;
+ cs->nrslots - rp->node[rp->cur_node].alu_offset - 1;
if (rp->node[rp->cur_node].tex_end < 0)
rp->node[rp->cur_node].tex_end = 0;
rp->alu_offset = 0;
- rp->alu_end = cs->v_pos - 1;
+ rp->alu_end = cs->nrslots - 1;
rp->tex_offset = 0;
rp->tex_end = rp->tex.length ? rp->tex.length - 1 : 0;
assert(rp->node[rp->cur_node].alu_end >= 0);
@@ -2053,7 +2207,7 @@ void r300_translate_fragment_shader(r300ContextPtr r300, struct r300_fragment_pr
/* just some random things... */
static void dump_program(struct r300_fragment_program *rp)
{
- int i;
+ int n, i, j;
static int pc = 0;
fprintf(stderr, "pc=%d*************************************\n", pc++);
@@ -2066,46 +2220,136 @@ static void dump_program(struct r300_fragment_program *rp)
fprintf(stderr, "Hardware program\n");
fprintf(stderr, "----------------\n");
- fprintf(stderr, "tex:\n");
-
- for(i=0;i<rp->tex.length;i++) {
- fprintf(stderr, "%08x\n", rp->tex.inst[i]);
- }
-
- for (i=0;i<(rp->cur_node+1);i++) {
+ for (n = 0; n < (rp->cur_node+1); n++) {
fprintf(stderr, "NODE %d: alu_offset: %d, tex_offset: %d, "\
- "alu_end: %d, tex_end: %d\n", i,
- rp->node[i].alu_offset,
- rp->node[i].tex_offset,
- rp->node[i].alu_end,
- rp->node[i].tex_end);
+ "alu_end: %d, tex_end: %d\n", n,
+ rp->node[n].alu_offset,
+ rp->node[n].tex_offset,
+ rp->node[n].alu_end,
+ rp->node[n].tex_end);
+
+ if (rp->tex.length) {
+ fprintf(stderr, " TEX:\n");
+ for(i = rp->node[n].tex_offset; i <= rp->node[n].tex_end; ++i)
+ fprintf(stderr, " %08x\n", rp->tex.inst[i]);
+ }
+
+ for(i = rp->node[n].alu_offset; i <= rp->node[n].alu_end; ++i) {
+ char srcc[3][10], dstc[20];
+ char srca[3][10], dsta[20];
+ char argc[3][20];
+ char arga[3][20];
+
+ for(j = 0; j < 3; ++j) {
+ int regc = rp->alu.inst[i].inst1 >> (j*6);
+ int rega = rp->alu.inst[i].inst3 >> (j*6);
+
+ sprintf(srcc[j], "%c%i", (regc & 32) ? 'c' : 't', regc & 31);
+ sprintf(srca[j], "%c%i", (rega & 32) ? 'c' : 't', rega & 31);
+ }
+
+ sprintf(dstc, "t%i.%c%c%c o%i.%c%c%c",
+ (rp->alu.inst[i].inst1 >> R300_FPI1_DSTC_SHIFT) & 31,
+ (rp->alu.inst[i].inst1 & R300_FPI1_DSTC_REG_X) ? 'x' : ' ',
+ (rp->alu.inst[i].inst1 & R300_FPI1_DSTC_REG_Y) ? 'y' : ' ',
+ (rp->alu.inst[i].inst1 & R300_FPI1_DSTC_REG_Z) ? 'z' : ' ',
+ (rp->alu.inst[i].inst1 >> R300_FPI1_DSTC_SHIFT) & 31,
+ (rp->alu.inst[i].inst1 & R300_FPI1_DSTC_OUTPUT_X) ? 'x' : ' ',
+ (rp->alu.inst[i].inst1 & R300_FPI1_DSTC_OUTPUT_Y) ? 'y' : ' ',
+ (rp->alu.inst[i].inst1 & R300_FPI1_DSTC_OUTPUT_Z) ? 'z' : ' ');
+
+ sprintf(dsta, "t%i.%c o%i.%c %c",
+ (rp->alu.inst[i].inst3 >> R300_FPI3_DSTA_SHIFT) & 31,
+ (rp->alu.inst[i].inst3 & R300_FPI3_DSTA_REG) ? 'w' : ' ',
+ (rp->alu.inst[i].inst3 >> R300_FPI3_DSTA_SHIFT) & 31,
+ (rp->alu.inst[i].inst3 & R300_FPI3_DSTA_OUTPUT) ? 'w' : ' ',
+ (rp->alu.inst[i].inst3 & R300_FPI3_DSTA_DEPTH) ? 'Z' : ' ');
+
+ fprintf(stderr, "%3i: xyz: %3s %3s %3s -> %-20s (%08x)\n"
+ " w: %3s %3s %3s -> %-20s (%08x)\n",
+ i,
+ srcc[0], srcc[1], srcc[2], dstc, rp->alu.inst[i].inst1,
+ srca[0], srca[1], srca[2], dsta, rp->alu.inst[i].inst3);
+
+ for(j = 0; j < 3; ++j) {
+ int regc = rp->alu.inst[i].inst0 >> (j*7);
+ int rega = rp->alu.inst[i].inst2 >> (j*7);
+ int d;
+ char buf[20];
+
+ d = regc & 31;
+ if (d < 12) {
+ switch(d % 4) {
+ case R300_FPI0_ARGC_SRC0C_XYZ:
+ sprintf(buf, "%s.xyz", srcc[d / 4]);
+ break;
+ case R300_FPI0_ARGC_SRC0C_XXX:
+ sprintf(buf, "%s.xxx", srcc[d / 4]);
+ break;
+ case R300_FPI0_ARGC_SRC0C_YYY:
+ sprintf(buf, "%s.yyy", srcc[d / 4]);
+ break;
+ case R300_FPI0_ARGC_SRC0C_ZZZ:
+ sprintf(buf, "%s.zzz", srcc[d / 4]);
+ break;
+ }
+ } else if (d < 15) {
+ sprintf(buf, "%s.www", srca[d-12]);
+ } else if (d == 20) {
+ sprintf(buf, "0.0");
+ } else if (d == 21) {
+ sprintf(buf, "1.0");
+ } else if (d == 22) {
+ sprintf(buf, "0.5");
+ } else if (d >= 23 && d < 32) {
+ d -= 23;
+ switch(d/3) {
+ case 0:
+ sprintf(buf, "%s.yzx", srcc[d % 3]);
+ break;
+ case 1:
+ sprintf(buf, "%s.zxy", srcc[d % 3]);
+ break;
+ case 2:
+ sprintf(buf, "%s.Wzy", srcc[d % 3]);
+ break;
+ }
+ } else {
+ sprintf(buf, "%i", d);
+ }
+
+ sprintf(argc[j], "%s%s%s%s",
+ (regc & 32) ? "-" : "",
+ (regc & 64) ? "|" : "",
+ buf,
+ (regc & 64) ? "|" : "");
+
+ d = rega & 31;
+ if (d < 9) {
+ sprintf(buf, "%s.%c", srcc[d / 3], 'x' + (char)(d%3));
+ } else if (d < 12) {
+ sprintf(buf, "%s.w", srca[d-9]);
+ } else if (d == 16) {
+ sprintf(buf, "0.0");
+ } else if (d == 17) {
+ sprintf(buf, "1.0");
+ } else if (d == 18) {
+ sprintf(buf, "0.5");
+ } else {
+ sprintf(buf, "%i", d);
+ }
+
+ sprintf(arga[j], "%s%s%s%s",
+ (rega & 32) ? "-" : "",
+ (rega & 64) ? "|" : "",
+ buf,
+ (rega & 64) ? "|" : "");
+ }
+
+ fprintf(stderr, " xyz: %8s %8s %8s op: %08x\n"
+ " w: %8s %8s %8s op: %08x\n",
+ argc[0], argc[1], argc[2], rp->alu.inst[i].inst0,
+ arga[0], arga[1], arga[2], rp->alu.inst[i].inst2);
+ }
}
-
- fprintf(stderr, "%08x\n",
- ((rp->tex_end << 16) | (R300_PFS_TEXI_0 >> 2)));
- for (i=0;i<=rp->tex_end;i++)
- fprintf(stderr, "%08x\n", rp->tex.inst[i]);
-
- /* dump program in pretty_print_command_stream.tcl-readable format */
- fprintf(stderr, "%08x\n",
- ((rp->alu_end << 16) | (R300_PFS_INSTR0_0 >> 2)));
- for (i=0;i<=rp->alu_end;i++)
- fprintf(stderr, "%08x\n", rp->alu.inst[i].inst0);
-
- fprintf(stderr, "%08x\n",
- ((rp->alu_end << 16) | (R300_PFS_INSTR1_0 >> 2)));
- for (i=0;i<=rp->alu_end;i++)
- fprintf(stderr, "%08x\n", rp->alu.inst[i].inst1);
-
- fprintf(stderr, "%08x\n",
- ((rp->alu_end << 16) | (R300_PFS_INSTR2_0 >> 2)));
- for (i=0;i<=rp->alu_end;i++)
- fprintf(stderr, "%08x\n", rp->alu.inst[i].inst2);
-
- fprintf(stderr, "%08x\n",
- ((rp->alu_end << 16) | (R300_PFS_INSTR3_0 >> 2)));
- for (i=0;i<=rp->alu_end;i++)
- fprintf(stderr, "%08x\n", rp->alu.inst[i].inst3);
-
- fprintf(stderr, "00000000\n");
}