pan/mdg: Use PAN_IS_REG

Signed-off-by: Alyssa Rosenzweig <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4792>

6 files changed, 17 insertions, 21 deletions

diff --git a/src/panfrost/midgard/compiler.h b/src/panfrost/midgard/compiler.h
index 4f9880ca031..f55fba1aab1 100644
--- a/src/panfrost/midgard/compiler.h
+++ b/src/panfrost/midgard/compiler.h
@@ -425,10 +425,6 @@ mir_is_alu_bundle(midgard_bundle *bundle)
         return IS_ALU(bundle->tag);
 }
 
-/* Registers/SSA are distinguish in the backend by the bottom-most bit */
-
-#define IS_REG (1)
-
 static inline unsigned
 make_compiler_temp(compiler_context *ctx)
 {
@@ -438,7 +434,7 @@ make_compiler_temp(compiler_context *ctx)
 static inline unsigned
 make_compiler_temp_reg(compiler_context *ctx)
 {
-        return ((ctx->func->impl->reg_alloc + ctx->temp_alloc++) << 1) | IS_REG;
+        return ((ctx->func->impl->reg_alloc + ctx->temp_alloc++) << 1) | PAN_IS_REG;
 }
 
 static inline unsigned
@@ -454,7 +450,7 @@ nir_src_index(compiler_context *ctx, nir_src *src)
                 return nir_ssa_index(src->ssa);
         else {
                 assert(!src->reg.indirect);
-                return (src->reg.reg->index << 1) | IS_REG;
+                return (src->reg.reg->index << 1) | PAN_IS_REG;
         }
 }
 
@@ -465,7 +461,7 @@ nir_dest_index(nir_dest *dst)
                 return (dst->ssa.index << 1) | 0;
         else {
                 assert(!dst->reg.indirect);
-                return (dst->reg.reg->index << 1) | IS_REG;
+                return (dst->reg.reg->index << 1) | PAN_IS_REG;
         }
 }
 
diff --git a/src/panfrost/midgard/midgard_compile.c b/src/panfrost/midgard/midgard_compile.c
index bf2dadf16b3..c70565ba1c8 100644
--- a/src/panfrost/midgard/midgard_compile.c
+++ b/src/panfrost/midgard/midgard_compile.c
@@ -2287,7 +2287,7 @@ midgard_opt_pos_propagate(compiler_context *ctx, midgard_block *block)
 
                 /* TODO: Registers? */
                 unsigned src = ins->src[1];
-                if (src & IS_REG) continue;
+                if (src & PAN_IS_REG) continue;
 
                 /* There might be a source modifier, too */
                 if (mir_nontrivial_source2_mod(ins)) continue;
diff --git a/src/panfrost/midgard/midgard_opt_copy_prop.c b/src/panfrost/midgard/midgard_opt_copy_prop.c
index ca4f78f9a33..1eb368e800a 100644
--- a/src/panfrost/midgard/midgard_opt_copy_prop.c
+++ b/src/panfrost/midgard/midgard_opt_copy_prop.c
@@ -39,8 +39,8 @@ midgard_opt_copy_prop_reg(compiler_context *ctx, midgard_block *block)
                 unsigned from = ins->src[1];
                 unsigned to = ins->dest;
 
-                if (!(to & IS_REG))  continue;
-                if (from & IS_REG) continue;
+                if (!(to & PAN_IS_REG))  continue;
+                if (from & PAN_IS_REG) continue;
 
                 if (ins->has_inline_constant) continue;
                 if (ins->has_constants) continue;
@@ -76,8 +76,8 @@ midgard_opt_copy_prop(compiler_context *ctx, midgard_block *block)
 
                 if (to >= SSA_FIXED_MINIMUM) continue;
                 if (from >= SSA_FIXED_MINIMUM) continue;
-                if (to & IS_REG) continue;
-                if (from & IS_REG) continue;
+                if (to & PAN_IS_REG) continue;
+                if (from & PAN_IS_REG) continue;
 
                 /* Constant propagation is not handled here, either */
                 if (ins->has_inline_constant) continue;
diff --git a/src/panfrost/midgard/midgard_opt_invert.c b/src/panfrost/midgard/midgard_opt_invert.c
index add8db0e2f2..17c9de598b5 100644
--- a/src/panfrost/midgard/midgard_opt_invert.c
+++ b/src/panfrost/midgard/midgard_opt_invert.c
@@ -71,7 +71,7 @@ midgard_opt_not_propagate(compiler_context *ctx, midgard_block *block)
                 if (ins->alu.op != midgard_alu_op_imov) continue;
                 if (!ins->invert) continue;
                 if (mir_nontrivial_source2_mod_simple(ins)) continue;
-                if (ins->src[1] & IS_REG) continue;
+                if (ins->src[1] & PAN_IS_REG) continue;
 
                 /* Is it beneficial to propagate? */
                 if (!mir_single_use(ctx, ins->src[1])) continue;
@@ -230,7 +230,7 @@ mir_strip_inverted(compiler_context *ctx, unsigned node)
 static bool
 is_ssa_or_constant(unsigned node)
 {
-        return !(node & IS_REG) || (node == SSA_FIXED_REGISTER(26));
+        return !(node & PAN_IS_REG) || (node == SSA_FIXED_REGISTER(26));
 }
 
 bool
@@ -372,7 +372,7 @@ midgard_opt_drop_cmp_invert(compiler_context *ctx, midgard_block *block)
                 if (ins->type != TAG_ALU_4) continue;
                 if (!OP_IS_INTEGER_CMP(ins->alu.op)) continue;
 
-                if ((ins->src[0] & IS_REG) || (ins->src[1] & IS_REG)) continue;
+                if ((ins->src[0] & PAN_IS_REG) || (ins->src[1] & PAN_IS_REG)) continue;
                 if (!mir_single_use(ctx, ins->src[0]) || !mir_single_use(ctx, ins->src[1])) continue;
 
                 bool a_inverted = mir_is_inverted(ctx, ins->src[0]);
@@ -406,7 +406,7 @@ midgard_opt_invert_branch(compiler_context *ctx, midgard_block *block)
                 if (ins->type != TAG_ALU_4) continue;
                 if (!midgard_is_branch_unit(ins->unit)) continue;
                 if (!ins->branch.conditional) continue;
-                if (ins->src[0] & IS_REG) continue;
+                if (ins->src[0] & PAN_IS_REG) continue;
 
                 if (mir_strip_inverted(ctx, ins->src[0])) {
                         ins->branch.invert_conditional = !ins->branch.invert_conditional;
diff --git a/src/panfrost/midgard/midgard_opt_perspective.c b/src/panfrost/midgard/midgard_opt_perspective.c
index 488beadcbfb..4af8c45356e 100644
--- a/src/panfrost/midgard/midgard_opt_perspective.c
+++ b/src/panfrost/midgard/midgard_opt_perspective.c
@@ -68,8 +68,8 @@ midgard_opt_combine_projection(compiler_context *ctx, midgard_block *block)
                 unsigned frcp = ins->src[1];
                 unsigned to = ins->dest;
 
-                if (frcp & IS_REG) continue;
-                if (to & IS_REG) continue;
+                if (frcp & PAN_IS_REG) continue;
+                if (to & PAN_IS_REG) continue;
 
                 bool frcp_found = false;
                 unsigned frcp_component = 0;
@@ -148,8 +148,8 @@ midgard_opt_varying_projection(compiler_context *ctx, midgard_block *block)
                 unsigned vary = ins->src[0];
                 unsigned to = ins->dest;
 
-                if (vary & IS_REG) continue;
-                if (to & IS_REG) continue;
+                if (vary & PAN_IS_REG) continue;
+                if (to & PAN_IS_REG) continue;
                 if (!mir_single_use(ctx, vary)) continue;
 
                 /* Check for a varying source. If we find it, we rewrite */
diff --git a/src/panfrost/midgard/mir_promote_uniforms.c b/src/panfrost/midgard/mir_promote_uniforms.c
index 396308450ef..620b443d314 100644
--- a/src/panfrost/midgard/mir_promote_uniforms.c
+++ b/src/panfrost/midgard/mir_promote_uniforms.c
@@ -152,7 +152,7 @@ midgard_promote_uniforms(compiler_context *ctx)
                 /* We do need the move for safety for a non-SSA dest, or if
                  * we're being fed into a special class */
 
-                bool needs_move = ins->dest & IS_REG;
+                bool needs_move = ins->dest & PAN_IS_REG;
                 needs_move |= mir_special_index(ctx, ins->dest);
 
                 if (needs_move) {