Add minimal as/dis support for TOSA.001000.1 extended instruction set

BUILD.bazel

@@ -52,6 +52,7 @@ create_grammar_tables_target(
         ExtInst("opencl.std.100", target="spirv_opencl_grammar_unified1"),
         ExtInst("opencl.debuginfo.100", prefix="CLDEBUG100_"),
         ExtInst("nonsemantic.shader.debuginfo.100", prefix="SHDEBUG100_"),
+        ExtInst("tosa.001000.1", target="spirv_ext_inst_tosa_001000_1", prefix="TOSA_"),
     ] + [ExtInst(e) for e in [
             "spv-amd-shader-explicit-vertex-parameter",
             "spv-amd-shader-trinary-minmax",
@@ -431,6 +432,7 @@ cc_library(
         ":tools_io",
         "@googletest//:gtest",
         "@googletest//:gtest_main",
+        "@spirv_headers//:spirv_common_headers",
     ],
 ) for f in glob(
     [

DEPS

@@ -14,7 +14,7 @@ vars = {
 
   're2_revision': 'c84a140c93352cdabbfb547c531be34515b12228',
 
-  'spirv_headers_revision': '50daff941d88609b4d2ad076eae558e727f8e5cd',
+  'spirv_headers_revision': '2a611a970fdbc41ac2e3e328802aed9985352dca',
 }
 
 deps = {

include/spirv-tools/libspirv.h

@@ -369,6 +369,7 @@ typedef enum spv_ext_inst_type_t {
   SPV_EXT_INST_TYPE_NONSEMANTIC_CLSPVREFLECTION,
   SPV_EXT_INST_TYPE_NONSEMANTIC_SHADER_DEBUGINFO_100,
   SPV_EXT_INST_TYPE_NONSEMANTIC_VKSPREFLECTION,
+  SPV_EXT_INST_TYPE_TOSA_001000_1,
 
   // Multiple distinct extended instruction set types could return this
   // value, if they are prefixed with NonSemantic. and are otherwise

source/CMakeLists.txt

@@ -31,6 +31,7 @@ set(EI_amd_ballot "${GRAMMAR_DIR}/extinst.spv-amd-shader-ballot.grammar.json")
 set(EI_ns_debuginfo "${GRAMMAR_DIR}/extinst.nonsemantic.shader.debuginfo.100.grammar.json")
 set(EI_ns_clspvreflect "${GRAMMAR_DIR}/extinst.nonsemantic.clspvreflection.grammar.json")
 set(EI_ns_vkspreflect "${GRAMMAR_DIR}/extinst.nonsemantic.vkspreflection.grammar.json")
+set(EI_tosa_001000_1 "${GRAMMAR_DIR}/extinst.tosa.001000.1.grammar.json")
 
 set(CORE_TABLES_BODY_INC_FILE ${spirv-tools_BINARY_DIR}/core_tables_body.inc)
 set(CORE_TABLES_HEADER_INC_FILE ${spirv-tools_BINARY_DIR}/core_tables_header.inc)
@@ -50,6 +51,7 @@ add_custom_command(OUTPUT ${CORE_TABLES_BODY_INC_FILE} ${CORE_TABLES_HEADER_INC_
       --extinst=,${EI_debuginfo}
       --extinst=,${EI_ns_clspvreflect}
       --extinst=,${EI_ns_vkspreflect}
+      --extinst=TOSA_,${EI_tosa_001000_1}
     DEPENDS ${GGT_SCRIPT}
             ${SPIRV_CORE_GRAMMAR_JSON_FILE}
 	    ${EI_glsl}
@@ -63,6 +65,7 @@ add_custom_command(OUTPUT ${CORE_TABLES_BODY_INC_FILE} ${CORE_TABLES_HEADER_INC_
 	    ${EI_debuginfo}
 	    ${EI_ns_clspvreflect}
 	    ${EI_ns_vkspreflect}
+            ${EI_tosa_001000_1}
     COMMENT "Generate grammar tables")
 add_custom_target(spirv-tools-tables DEPENDS ${CORE_TABLES_BODY_INC_FILE} ${CORE_TABLES_HEADER_INC_FILE})
 

source/ext_inst.cpp

@@ -55,6 +55,9 @@ spv_ext_inst_type_t spvExtInstImportTypeGet(const char* name) {
   if (!strncmp("NonSemantic.VkspReflection.", name, 27)) {
     return SPV_EXT_INST_TYPE_NONSEMANTIC_VKSPREFLECTION;
   }
+  if (!strcmp("TOSA.001000.1", name)) {
+    return SPV_EXT_INST_TYPE_TOSA_001000_1;
+  }
   // ensure to add any known non-semantic extended instruction sets
   // above this point, and update spvExtInstIsNonSemantic()
   if (!strncmp("NonSemantic.", name, 12)) {

test/CMakeLists.txt

@@ -108,6 +108,7 @@ set(TEST_SOURCES
   ext_inst.glsl_test.cpp
   ext_inst.non_semantic_test.cpp
   ext_inst.opencl_test.cpp
+  ext_inst.tosa_test.cpp
   ext_inst_lookup_test.cpp
   fix_word_test.cpp
   generator_magic_number_test.cpp

test/ext_inst.tosa_test.cpp

@@ -0,0 +1,57 @@
+// Copyright (c) 2024-2025 Arm Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <string>
+
+#include "gmock/gmock.h"
+#include "source/util/string_utils.h"
+#include "spirv/unified1/TOSA.001000.1.h"
+#include "test/test_fixture.h"
+#include "test/unit_spirv.h"
+
+namespace spvtools {
+namespace {
+
+using spvtest::Concatenate;
+using spvtest::MakeInstruction;
+using spvtest::TextToBinaryTest;
+using testing::Eq;
+using utils::MakeVector;
+
+TEST_F(TextToBinaryTest, TOSAImportTest) {
+  const std::string src = "%1 = OpExtInstImport \"TOSA.001000.1\"";
+  EXPECT_THAT(CompiledInstructions(src),
+              Eq(MakeInstruction(spv::Op::OpExtInstImport, {1},
+                                 MakeVector("TOSA.001000.1"))));
+}
+
+TEST_F(TextToBinaryTest, TOSAInstructionSmokeTest) {
+  const std::string src =
+      "%1 = OpExtInstImport \"TOSA.001000.1\"\n"
+      "%3 = OpExtInst %2 %1 ARGMAX %4 %5 %6\n";
+
+  // First make sure it assembles correctly.
+  EXPECT_THAT(
+      CompiledInstructions(src),
+      Eq(Concatenate({MakeInstruction(spv::Op::OpExtInstImport, {1},
+                                      MakeVector("TOSA.001000.1")),
+                      MakeInstruction(spv::Op::OpExtInst,
+                                      {2, 3, 1, TOSAARGMAX, 4, 5, 6})})))
+      << src;
+  // Now check the round trip through the disassembler.
+  EXPECT_THAT(EncodeAndDecodeSuccessfully(src), src) << src;
+}
+
+}  // namespace
+}  // namespace spvtools