Updated spirv-tools.

3rdparty/spirv-tools/source/binary.cpp

@@ -190,6 +190,7 @@ class Parser {
   struct NumberType {
     spv_number_kind_t type;
     uint32_t bit_width;
+    spv_fp_encoding_t encoding;
   };
 
   // The state used to parse a single SPIR-V binary module.
@@ -385,8 +386,6 @@ spv_result_t Parser::parseInstruction() {
   assert(_.requires_endian_conversion ||
          (_.endian_converted_words.size() == 1));
 
-  recordNumberType(inst_offset, &inst);
-
   if (_.requires_endian_conversion) {
     // We must wait until here to set this pointer, because the vector might
     // have been be resized while we accumulated its elements.
@@ -398,6 +397,8 @@ spv_result_t Parser::parseInstruction() {
   }
   inst.num_words = inst_word_count;
 
+  recordNumberType(inst_offset, &inst);
+
   // We must wait until here to set this pointer, because the vector might
   // have been be resized while we accumulated its elements.
   inst.operands = _.operands.data();
@@ -833,6 +834,7 @@ spv_result_t Parser::setNumericTypeInfoForType(
 
   parsed_operand->number_kind = info.type;
   parsed_operand->number_bit_width = info.bit_width;
+  parsed_operand->fp_encoding = info.encoding;
   // Round up the word count.
   parsed_operand->num_words = static_cast<uint16_t>((info.bit_width + 31) / 32);
   return SPV_SUCCESS;
@@ -850,6 +852,17 @@ void Parser::recordNumberType(size_t inst_offset,
     } else if (spv::Op::OpTypeFloat == opcode) {
       info.type = SPV_NUMBER_FLOATING;
       info.bit_width = peekAt(inst_offset + 2);
+      if (inst->num_words >= 4) {
+        const spvtools::OperandDesc* desc;
+        spv_result_t status = spvtools::LookupOperand(
+            SPV_OPERAND_TYPE_FPENCODING, peekAt(inst_offset + 3), &desc);
+        if (status == SPV_SUCCESS) {
+          info.encoding = spvFPEncodingFromOperandFPEncoding(
+              static_cast<spv::FPEncoding>(desc->value));
+        } else {
+          info.encoding = SPV_FP_ENCODING_UNKNOWN;
+        }
+      }
     }
     // The *result* Id of a type generating instruction is the type Id.
     _.type_id_to_number_type_info[inst->result_id] = info;