i965: Merge together opcodes for SHADER_OPCODE_GEN4_SCRATCH_READ/WRITE

I'm going to be introducing gen7 variants, and the previous naming was
going to get confusing.

Reviewed-by: Paul Berry <stereotype441@gmail.com>

10 files changed, 33 insertions, 36 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index fbc787a..2248693 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -778,14 +778,15 @@ enum opcode {
    SHADER_OPCODE_UNTYPED_ATOMIC,
    SHADER_OPCODE_UNTYPED_SURFACE_READ,
 
+   SHADER_OPCODE_GEN4_SCRATCH_READ,
+   SHADER_OPCODE_GEN4_SCRATCH_WRITE,
+
    FS_OPCODE_DDX,
    FS_OPCODE_DDY,
    FS_OPCODE_PIXEL_X,
    FS_OPCODE_PIXEL_Y,
    FS_OPCODE_CINTERP,
    FS_OPCODE_LINTERP,
-   FS_OPCODE_SPILL,
-   FS_OPCODE_UNSPILL,
    FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD,
    FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD_GEN7,
    FS_OPCODE_VARYING_PULL_CONSTANT_LOAD,
@@ -799,8 +800,6 @@ enum opcode {
    FS_OPCODE_PLACEHOLDER_HALT,
 
    VS_OPCODE_URB_WRITE,
-   VS_OPCODE_SCRATCH_READ,
-   VS_OPCODE_SCRATCH_WRITE,
    VS_OPCODE_PULL_CONSTANT_LOAD,
    VS_OPCODE_PULL_CONSTANT_LOAD_GEN7,
    VS_OPCODE_UNPACK_FLAGS_SIMD4X2,
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index db48da2..5e95d3a 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -766,11 +766,11 @@ fs_visitor::implied_mrf_writes(fs_inst *inst)
    case FS_OPCODE_FB_WRITE:
       return 2;
    case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD:
-   case FS_OPCODE_UNSPILL:
+   case SHADER_OPCODE_GEN4_SCRATCH_READ:
       return 1;
    case FS_OPCODE_VARYING_PULL_CONSTANT_LOAD:
       return inst->mlen;
-   case FS_OPCODE_SPILL:
+   case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
       return 2;
    case SHADER_OPCODE_UNTYPED_ATOMIC:
    case SHADER_OPCODE_UNTYPED_SURFACE_READ:
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h
index fb1da4c..0512ab4 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_fs.h
@@ -523,8 +523,8 @@ private:
    void generate_ddx(fs_inst *inst, struct brw_reg dst, struct brw_reg src);
    void generate_ddy(fs_inst *inst, struct brw_reg dst, struct brw_reg src,
                      bool negate_value);
-   void generate_spill(fs_inst *inst, struct brw_reg src);
-   void generate_unspill(fs_inst *inst, struct brw_reg dst);
+   void generate_scratch_write(fs_inst *inst, struct brw_reg src);
+   void generate_scratch_read(fs_inst *inst, struct brw_reg dst);
    void generate_uniform_pull_constant_load(fs_inst *inst, struct brw_reg dst,
                                             struct brw_reg index,
                                             struct brw_reg offset);
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index e16d874..2172949 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -749,7 +749,7 @@ fs_generator::generate_discard_jump(fs_inst *inst)
 }
 
 void
-fs_generator::generate_spill(fs_inst *inst, struct brw_reg src)
+fs_generator::generate_scratch_write(fs_inst *inst, struct brw_reg src)
 {
    assert(inst->mlen != 0);
 
@@ -761,7 +761,7 @@ fs_generator::generate_spill(fs_inst *inst, struct brw_reg src)
 }
 
 void
-fs_generator::generate_unspill(fs_inst *inst, struct brw_reg dst)
+fs_generator::generate_scratch_read(fs_inst *inst, struct brw_reg dst)
 {
    assert(inst->mlen != 0);
 
@@ -1579,12 +1579,12 @@ fs_generator::generate_code(exec_list *instructions)
 	 generate_ddy(inst, dst, src[0], c->key.render_to_fbo);
 	 break;
 
-      case FS_OPCODE_SPILL:
-	 generate_spill(inst, src[0]);
+      case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
+	 generate_scratch_write(inst, src[0]);
 	 break;
 
-      case FS_OPCODE_UNSPILL:
-	 generate_unspill(inst, dst);
+      case SHADER_OPCODE_GEN4_SCRATCH_READ:
+	 generate_scratch_read(inst, dst);
 	 break;
 
       case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD:
diff --git a/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp b/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp
index 0102b2e..d975423 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp
@@ -542,7 +542,8 @@ fs_visitor::emit_unspill(fs_inst *inst, fs_reg dst, uint32_t spill_offset,
                          int count)
 {
    for (int i = 0; i < count; i++) {
-      fs_inst *unspill_inst = new(mem_ctx) fs_inst(FS_OPCODE_UNSPILL, dst);
+      fs_inst *unspill_inst =
+         new(mem_ctx) fs_inst(SHADER_OPCODE_GEN4_SCRATCH_READ, dst);
       unspill_inst->offset = spill_offset;
       unspill_inst->ir = inst->ir;
       unspill_inst->annotation = inst->annotation;
@@ -610,12 +611,12 @@ fs_visitor::choose_spill_reg(struct ra_graph *g)
 	 loop_scale /= 10;
 	 break;
 
-      case FS_OPCODE_SPILL:
+      case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
 	 if (inst->src[0].file == GRF)
 	    no_spill[inst->src[0].reg] = true;
 	 break;
 
-      case FS_OPCODE_UNSPILL:
+      case SHADER_OPCODE_GEN4_SCRATCH_READ:
 	 if (inst->dst.file == GRF)
 	    no_spill[inst->dst.reg] = true;
 	 break;
@@ -710,8 +711,9 @@ fs_visitor::spill_reg(int spill_reg)
 	 spill_src.smear = -1;
 
 	 for (int chan = 0; chan < inst->regs_written; chan++) {
-	    fs_inst *spill_inst = new(mem_ctx) fs_inst(FS_OPCODE_SPILL,
-						       reg_null_f, spill_src);
+	    fs_inst *spill_inst =
+               new(mem_ctx) fs_inst(SHADER_OPCODE_GEN4_SCRATCH_WRITE,
+                                    reg_null_f, spill_src);
 	    spill_src.reg_offset++;
 	    spill_inst->offset = subset_spill_offset + chan * reg_size;
 	    spill_inst->ir = inst->ir;
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp
index 2c0248a..a351183 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -454,6 +454,11 @@ brw_instruction_name(enum opcode op)
    case SHADER_OPCODE_TG4_OFFSET:
       return "tg4_offset";
 
+   case SHADER_OPCODE_GEN4_SCRATCH_READ:
+      return "gen4_scratch_read";
+   case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
+      return "gen4_scratch_write";
+
    case FS_OPCODE_DDX:
       return "ddx";
    case FS_OPCODE_DDY:
@@ -469,11 +474,6 @@ brw_instruction_name(enum opcode op)
    case FS_OPCODE_LINTERP:
       return "linterp";
 
-   case FS_OPCODE_SPILL:
-      return "spill";
-   case FS_OPCODE_UNSPILL:
-      return "unspill";
-
    case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD:
       return "uniform_pull_const";
    case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD_GEN7:
@@ -503,10 +503,6 @@ brw_instruction_name(enum opcode op)
 
    case VS_OPCODE_URB_WRITE:
       return "vs_urb_write";
-   case VS_OPCODE_SCRATCH_READ:
-      return "scratch_read";
-   case VS_OPCODE_SCRATCH_WRITE:
-      return "scratch_write";
    case VS_OPCODE_PULL_CONSTANT_LOAD:
       return "pull_constant_load";
    case VS_OPCODE_PULL_CONSTANT_LOAD_GEN7:
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index c1cfefa..3225912 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -258,9 +258,9 @@ vec4_visitor::implied_mrf_writes(vec4_instruction *inst)
       return 1;
    case VS_OPCODE_PULL_CONSTANT_LOAD:
       return 2;
-   case VS_OPCODE_SCRATCH_READ:
+   case SHADER_OPCODE_GEN4_SCRATCH_READ:
       return 2;
-   case VS_OPCODE_SCRATCH_WRITE:
+   case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
       return 3;
    case GS_OPCODE_URB_WRITE:
    case GS_OPCODE_THREAD_END:
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
index 426f78c..30c2ca2 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
@@ -1149,11 +1149,11 @@ vec4_generator::generate_vec4_instruction(vec4_instruction *instruction,
       generate_vs_urb_write(inst);
       break;
 
-   case VS_OPCODE_SCRATCH_READ:
+   case SHADER_OPCODE_GEN4_SCRATCH_READ:
       generate_scratch_read(inst, dst, src[0]);
       break;
 
-   case VS_OPCODE_SCRATCH_WRITE:
+   case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
       generate_scratch_write(inst, dst, src[0], src[1]);
       break;
 
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp b/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
index 807c2f3..387e3c4 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
@@ -294,8 +294,8 @@ vec4_visitor::evaluate_spill_costs(float *spill_costs, bool *no_spill)
 	 loop_scale /= 10;
 	 break;
 
-      case VS_OPCODE_SCRATCH_READ:
-      case VS_OPCODE_SCRATCH_WRITE:
+      case SHADER_OPCODE_GEN4_SCRATCH_READ:
+      case SHADER_OPCODE_GEN4_SCRATCH_WRITE:
          for (int i = 0; i < 3; i++) {
             if (inst->src[i].file == GRF)
                no_spill[inst->src[i].reg] = true;
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 7f2ca95..16a188f 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -229,7 +229,7 @@ vec4_visitor::SCRATCH_READ(dst_reg dst, src_reg index)
 {
    vec4_instruction *inst;
 
-   inst = new(mem_ctx) vec4_instruction(this, VS_OPCODE_SCRATCH_READ,
+   inst = new(mem_ctx) vec4_instruction(this, SHADER_OPCODE_GEN4_SCRATCH_READ,
 					dst, index);
    inst->base_mrf = 14;
    inst->mlen = 2;
@@ -242,7 +242,7 @@ vec4_visitor::SCRATCH_WRITE(dst_reg dst, src_reg src, src_reg index)
 {
    vec4_instruction *inst;
 
-   inst = new(mem_ctx) vec4_instruction(this, VS_OPCODE_SCRATCH_WRITE,
+   inst = new(mem_ctx) vec4_instruction(this, SHADER_OPCODE_GEN4_SCRATCH_WRITE,
 					dst, src, index);
    inst->base_mrf = 13;
    inst->mlen = 3;