#include "radeon_program.h"
-static void reads_normal(struct rc_instruction * fullinst, rc_read_write_fn cb, void * userdata)
+static void reads_normal(struct rc_instruction * fullinst, rc_read_write_chan_fn cb, void * userdata)
{
struct rc_sub_instruction * inst = &fullinst->U.I;
const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->Opcode);
refmask &= RC_MASK_XYZW;
- for(unsigned int chan = 0; chan < 4; ++chan) {
- if (GET_BIT(refmask, chan)) {
- cb(userdata, fullinst, inst->SrcReg[src].File, inst->SrcReg[src].Index, chan);
- }
- }
+ if (refmask)
+ cb(userdata, fullinst, inst->SrcReg[src].File, inst->SrcReg[src].Index, refmask);
if (refmask && inst->SrcReg[src].RelAddr)
cb(userdata, fullinst, RC_FILE_ADDRESS, 0, RC_MASK_X);
}
}
-static void reads_pair(struct rc_instruction * fullinst, rc_read_write_fn cb, void * userdata)
+static void reads_pair(struct rc_instruction * fullinst, rc_read_write_mask_fn cb, void * userdata)
{
struct rc_pair_instruction * inst = &fullinst->U.P;
unsigned int refmasks[3] = { 0, 0, 0 };
}
for(unsigned int src = 0; src < 3; ++src) {
- if (inst->RGB.Src[src].Used) {
- for(unsigned int chan = 0; chan < 3; ++chan) {
- if (GET_BIT(refmasks[src], chan))
- cb(userdata, fullinst, inst->RGB.Src[src].File, inst->RGB.Src[src].Index, chan);
- }
- }
+ if (inst->RGB.Src[src].Used && (refmasks[src] & RC_MASK_XYZ))
+ cb(userdata, fullinst, inst->RGB.Src[src].File, inst->RGB.Src[src].Index,
+ refmasks[src] & RC_MASK_XYZ);
- if (inst->Alpha.Src[src].Used) {
- if (GET_BIT(refmasks[src], 3))
- cb(userdata, fullinst, inst->Alpha.Src[src].File, inst->Alpha.Src[src].Index, 3);
- }
+ if (inst->Alpha.Src[src].Used && (refmasks[src] & RC_MASK_W))
+ cb(userdata, fullinst, inst->Alpha.Src[src].File, inst->Alpha.Src[src].Index, RC_MASK_W);
}
}
/**
- * Calls a callback function for all sourced register channels.
+ * Calls a callback function for all register reads.
*
- * This is conservative, i.e. channels may be called multiple times,
- * and the writemask of the instruction is not taken into account.
+ * This is conservative, i.e. if the same register is referenced multiple times,
+ * the callback may also be called multiple times.
+ * Also, the writemask of the instruction is not taken into account.
*/
-void rc_for_all_reads(struct rc_instruction * inst, rc_read_write_fn cb, void * userdata)
+void rc_for_all_reads_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata)
{
if (inst->Type == RC_INSTRUCTION_NORMAL) {
reads_normal(inst, cb, userdata);
-static void writes_normal(struct rc_instruction * fullinst, rc_read_write_fn cb, void * userdata)
+static void writes_normal(struct rc_instruction * fullinst, rc_read_write_mask_fn cb, void * userdata)
{
struct rc_sub_instruction * inst = &fullinst->U.I;
const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->Opcode);
- if (opcode->HasDstReg) {
- for(unsigned int chan = 0; chan < 4; ++chan) {
- if (GET_BIT(inst->DstReg.WriteMask, chan))
- cb(userdata, fullinst, inst->DstReg.File, inst->DstReg.Index, chan);
- }
- }
+ if (opcode->HasDstReg && inst->DstReg.WriteMask)
+ cb(userdata, fullinst, inst->DstReg.File, inst->DstReg.Index, inst->DstReg.WriteMask);
if (inst->WriteALUResult)
- cb(userdata, fullinst, RC_FILE_SPECIAL, RC_SPECIAL_ALU_RESULT, 0);
+ cb(userdata, fullinst, RC_FILE_SPECIAL, RC_SPECIAL_ALU_RESULT, RC_MASK_X);
}
-static void writes_pair(struct rc_instruction * fullinst, rc_read_write_fn cb, void * userdata)
+static void writes_pair(struct rc_instruction * fullinst, rc_read_write_mask_fn cb, void * userdata)
{
struct rc_pair_instruction * inst = &fullinst->U.P;
- for(unsigned int chan = 0; chan < 3; ++chan) {
- if (GET_BIT(inst->RGB.WriteMask, chan))
- cb(userdata, fullinst, RC_FILE_TEMPORARY, inst->RGB.DestIndex, chan);
- }
+ if (inst->RGB.WriteMask)
+ cb(userdata, fullinst, RC_FILE_TEMPORARY, inst->RGB.DestIndex, inst->RGB.WriteMask);
if (inst->Alpha.WriteMask)
- cb(userdata, fullinst, RC_FILE_TEMPORARY, inst->Alpha.DestIndex, 3);
+ cb(userdata, fullinst, RC_FILE_TEMPORARY, inst->Alpha.DestIndex, RC_MASK_W);
if (inst->WriteALUResult)
- cb(userdata, fullinst, RC_FILE_SPECIAL, RC_SPECIAL_ALU_RESULT, 0);
+ cb(userdata, fullinst, RC_FILE_SPECIAL, RC_SPECIAL_ALU_RESULT, RC_MASK_X);
}
/**
- * Calls a callback function for all written register channels.
+ * Calls a callback function for all register writes in the instruction,
+ * reporting writemasks to the callback function.
*
* \warning Does not report output registers for paired instructions!
*/
-void rc_for_all_writes(struct rc_instruction * inst, rc_read_write_fn cb, void * userdata)
+void rc_for_all_writes_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata)
{
if (inst->Type == RC_INSTRUCTION_NORMAL) {
writes_normal(inst, cb, userdata);
writes_pair(inst, cb, userdata);
}
}
+
+
+struct mask_to_chan_data {
+ void * UserData;
+ rc_read_write_chan_fn Fn;
+};
+
+static void mask_to_chan_cb(void * data, struct rc_instruction * inst,
+ rc_register_file file, unsigned int index, unsigned int mask)
+{
+ struct mask_to_chan_data * d = data;
+ for(unsigned int chan = 0; chan < 4; ++chan) {
+ if (GET_BIT(mask, chan))
+ d->Fn(d->UserData, inst, file, index, chan);
+ }
+}
+
+/**
+ * Calls a callback function for all sourced register channels.
+ *
+ * This is conservative, i.e. channels may be called multiple times,
+ * and the writemask of the instruction is not taken into account.
+ */
+void rc_for_all_reads_chan(struct rc_instruction * inst, rc_read_write_chan_fn cb, void * userdata)
+{
+ struct mask_to_chan_data d;
+ d.UserData = userdata;
+ d.Fn = cb;
+ rc_for_all_reads_mask(inst, &mask_to_chan_cb, &d);
+}
+
+/**
+ * Calls a callback function for all written register channels.
+ *
+ * \warning Does not report output registers for paired instructions!
+ */
+void rc_for_all_writes_chan(struct rc_instruction * inst, rc_read_write_chan_fn cb, void * userdata)
+{
+ struct mask_to_chan_data d;
+ d.UserData = userdata;
+ d.Fn = cb;
+ rc_for_all_writes_mask(inst, &mask_to_chan_cb, &d);
+}
+
+static void remap_normal_instruction(struct rc_instruction * fullinst,
+ rc_remap_register_fn cb, void * userdata)
+{
+ struct rc_sub_instruction * inst = &fullinst->U.I;
+ const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->Opcode);
+
+ if (opcode->HasDstReg) {
+ rc_register_file file = inst->DstReg.File;
+ unsigned int index = inst->DstReg.Index;
+
+ cb(userdata, fullinst, &file, &index);
+
+ inst->DstReg.File = file;
+ inst->DstReg.Index = index;
+ }
+
+ for(unsigned int src = 0; src < opcode->NumSrcRegs; ++src) {
+ rc_register_file file = inst->SrcReg[src].File;
+ unsigned int index = inst->SrcReg[src].Index;
+
+ cb(userdata, fullinst, &file, &index);
+
+ inst->SrcReg[src].File = file;
+ inst->SrcReg[src].Index = index;
+ }
+}
+
+static void remap_pair_instruction(struct rc_instruction * fullinst,
+ rc_remap_register_fn cb, void * userdata)
+{
+ struct rc_pair_instruction * inst = &fullinst->U.P;
+
+ if (inst->RGB.WriteMask) {
+ rc_register_file file = RC_FILE_TEMPORARY;
+ unsigned int index = inst->RGB.DestIndex;
+
+ cb(userdata, fullinst, &file, &index);
+
+ inst->RGB.DestIndex = index;
+ }
+
+ if (inst->Alpha.WriteMask) {
+ rc_register_file file = RC_FILE_TEMPORARY;
+ unsigned int index = inst->Alpha.DestIndex;
+
+ cb(userdata, fullinst, &file, &index);
+
+ inst->Alpha.DestIndex = index;
+ }
+
+ for(unsigned int src = 0; src < 3; ++src) {
+ if (inst->RGB.Src[src].Used) {
+ rc_register_file file = inst->RGB.Src[src].File;
+ unsigned int index = inst->RGB.Src[src].Index;
+
+ cb(userdata, fullinst, &file, &index);
+
+ inst->RGB.Src[src].File = file;
+ inst->RGB.Src[src].Index = index;
+ }
+
+ if (inst->Alpha.Src[src].Used) {
+ rc_register_file file = inst->Alpha.Src[src].File;
+ unsigned int index = inst->Alpha.Src[src].Index;
+
+ cb(userdata, fullinst, &file, &index);
+
+ inst->Alpha.Src[src].File = file;
+ inst->Alpha.Src[src].Index = index;
+ }
+ }
+}
+
+
+/**
+ * Remap all register accesses according to the given function.
+ * That is, call the function \p cb for each referenced register (both read and written)
+ * and update the given instruction \p inst accordingly
+ * if it modifies its \ref pfile and \ref pindex contents.
+ */
+void rc_remap_registers(struct rc_instruction * inst, rc_remap_register_fn cb, void * userdata)
+{
+ if (inst->Type == RC_INSTRUCTION_NORMAL)
+ remap_normal_instruction(inst, cb, userdata);
+ else
+ remap_pair_instruction(inst, cb, userdata);
+}
projects / mesa.git / blobdiff