nir/spirv: Use fill_common_atomic_sources for image atomics
authorJason Ekstrand <jason.ekstrand@intel.com>
Tue, 6 Sep 2016 22:07:57 +0000 (15:07 -0700)
committerJason Ekstrand <jason.ekstrand@intel.com>
Wed, 7 Sep 2016 00:08:13 +0000 (17:08 -0700)
We had two almost identical copies of this code and they were both broken
but in different ways.  The previous two commits fixed both of them.  This
one just unifies them so that it's easier to handle in the future.

Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Dave Airlie <airlied@redhat.com>
src/compiler/spirv/spirv_to_nir.c

index 0d6a70e4660f17e091734990872a81d0e7593228..e91a7b2f0f20490bddf5f4161148eff2a2689e25 100644 (file)
@@ -1589,6 +1589,47 @@ vtn_handle_texture(struct vtn_builder *b, SpvOp opcode,
    nir_builder_instr_insert(&b->nb, &instr->instr);
 }
 
+static void
+fill_common_atomic_sources(struct vtn_builder *b, SpvOp opcode,
+                           const uint32_t *w, nir_src *src)
+{
+   switch (opcode) {
+   case SpvOpAtomicIIncrement:
+      src[0] = nir_src_for_ssa(nir_imm_int(&b->nb, 1));
+      break;
+
+   case SpvOpAtomicIDecrement:
+      src[0] = nir_src_for_ssa(nir_imm_int(&b->nb, -1));
+      break;
+
+   case SpvOpAtomicISub:
+      src[0] =
+         nir_src_for_ssa(nir_ineg(&b->nb, vtn_ssa_value(b, w[6])->def));
+      break;
+
+   case SpvOpAtomicCompareExchange:
+      src[0] = nir_src_for_ssa(vtn_ssa_value(b, w[8])->def);
+      src[1] = nir_src_for_ssa(vtn_ssa_value(b, w[7])->def);
+      break;
+      /* Fall through */
+
+   case SpvOpAtomicExchange:
+   case SpvOpAtomicIAdd:
+   case SpvOpAtomicSMin:
+   case SpvOpAtomicUMin:
+   case SpvOpAtomicSMax:
+   case SpvOpAtomicUMax:
+   case SpvOpAtomicAnd:
+   case SpvOpAtomicOr:
+   case SpvOpAtomicXor:
+      src[0] = nir_src_for_ssa(vtn_ssa_value(b, w[6])->def);
+      break;
+
+   default:
+      unreachable("Invalid SPIR-V atomic");
+   }
+}
+
 static nir_ssa_def *
 get_image_coord(struct vtn_builder *b, uint32_t value)
 {
@@ -1729,13 +1770,9 @@ vtn_handle_image(struct vtn_builder *b, SpvOp opcode,
    case SpvOpImageWrite:
       intrin->src[2] = nir_src_for_ssa(vtn_ssa_value(b, w[3])->def);
       break;
+
    case SpvOpAtomicIIncrement:
-      intrin->src[2] = nir_src_for_ssa(nir_imm_int(&b->nb, 1));
-      break;
    case SpvOpAtomicIDecrement:
-      intrin->src[2] = nir_src_for_ssa(nir_imm_int(&b->nb, -1));
-      break;
-
    case SpvOpAtomicExchange:
    case SpvOpAtomicIAdd:
    case SpvOpAtomicSMin:
@@ -1745,16 +1782,7 @@ vtn_handle_image(struct vtn_builder *b, SpvOp opcode,
    case SpvOpAtomicAnd:
    case SpvOpAtomicOr:
    case SpvOpAtomicXor:
-      intrin->src[2] = nir_src_for_ssa(vtn_ssa_value(b, w[6])->def);
-      break;
-
-   case SpvOpAtomicCompareExchange:
-      intrin->src[2] = nir_src_for_ssa(vtn_ssa_value(b, w[8])->def);
-      intrin->src[3] = nir_src_for_ssa(vtn_ssa_value(b, w[7])->def);
-      break;
-
-   case SpvOpAtomicISub:
-      intrin->src[2] = nir_src_for_ssa(nir_ineg(&b->nb, vtn_ssa_value(b, w[6])->def));
+      fill_common_atomic_sources(b, opcode, w, &intrin->src[2]);
       break;
 
    default:
@@ -1828,47 +1856,6 @@ get_shared_nir_atomic_op(SpvOp opcode)
    }
 }
 
-static void
-fill_common_atomic_sources(struct vtn_builder *b, SpvOp opcode,
-                           const uint32_t *w, nir_src *src)
-{
-   switch (opcode) {
-   case SpvOpAtomicIIncrement:
-      src[0] = nir_src_for_ssa(nir_imm_int(&b->nb, 1));
-      break;
-
-   case SpvOpAtomicIDecrement:
-      src[0] = nir_src_for_ssa(nir_imm_int(&b->nb, -1));
-      break;
-
-   case SpvOpAtomicISub:
-      src[0] =
-         nir_src_for_ssa(nir_ineg(&b->nb, vtn_ssa_value(b, w[6])->def));
-      break;
-
-   case SpvOpAtomicCompareExchange:
-      src[0] = nir_src_for_ssa(vtn_ssa_value(b, w[8])->def);
-      src[1] = nir_src_for_ssa(vtn_ssa_value(b, w[7])->def);
-      break;
-      /* Fall through */
-
-   case SpvOpAtomicExchange:
-   case SpvOpAtomicIAdd:
-   case SpvOpAtomicSMin:
-   case SpvOpAtomicUMin:
-   case SpvOpAtomicSMax:
-   case SpvOpAtomicUMax:
-   case SpvOpAtomicAnd:
-   case SpvOpAtomicOr:
-   case SpvOpAtomicXor:
-      src[0] = nir_src_for_ssa(vtn_ssa_value(b, w[6])->def);
-      break;
-
-   default:
-      unreachable("Invalid SPIR-V atomic");
-   }
-}
-
 static void
 vtn_handle_ssbo_or_shared_atomic(struct vtn_builder *b, SpvOp opcode,
                                  const uint32_t *w, unsigned count)