249 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			TableGen
		
	
	
	
			
		
		
	
	
			249 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			TableGen
		
	
	
	
| //===-- WebAssemblyInstrConv.td-WebAssembly Conversion support -*- tablegen -*-=
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| //
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| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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| // See https://llvm.org/LICENSE.txt for license information.
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| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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| //
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| //===----------------------------------------------------------------------===//
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| ///
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| /// \file
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| /// WebAssembly datatype conversions, truncations, reinterpretations,
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| /// promotions, and demotions operand code-gen constructs.
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| ///
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| //===----------------------------------------------------------------------===//
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| 
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| defm I32_WRAP_I64 : I<(outs I32:$dst), (ins I64:$src), (outs), (ins),
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|                       [(set I32:$dst, (trunc I64:$src))],
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|                       "i32.wrap_i64\t$dst, $src", "i32.wrap_i64", 0xa7>;
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| 
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| defm I64_EXTEND_S_I32 : I<(outs I64:$dst), (ins I32:$src), (outs), (ins),
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|                           [(set I64:$dst, (sext I32:$src))],
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|                           "i64.extend_i32_s\t$dst, $src", "i64.extend_i32_s",
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|                           0xac>;
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| defm I64_EXTEND_U_I32 : I<(outs I64:$dst), (ins I32:$src), (outs), (ins),
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|                           [(set I64:$dst, (zext I32:$src))],
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|                           "i64.extend_i32_u\t$dst, $src", "i64.extend_i32_u",
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|                           0xad>;
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| 
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| let Predicates = [HasSignExt] in {
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| defm I32_EXTEND8_S_I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins),
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|                            [(set I32:$dst, (sext_inreg I32:$src, i8))],
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|                            "i32.extend8_s\t$dst, $src", "i32.extend8_s",
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|                            0xc0>;
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| defm I32_EXTEND16_S_I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins),
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|                             [(set I32:$dst, (sext_inreg I32:$src, i16))],
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|                             "i32.extend16_s\t$dst, $src", "i32.extend16_s",
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|                             0xc1>;
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| defm I64_EXTEND8_S_I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins),
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|                             [(set I64:$dst, (sext_inreg I64:$src, i8))],
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|                             "i64.extend8_s\t$dst, $src", "i64.extend8_s",
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|                             0xc2>;
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| defm I64_EXTEND16_S_I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins),
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|                             [(set I64:$dst, (sext_inreg I64:$src, i16))],
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|                             "i64.extend16_s\t$dst, $src", "i64.extend16_s",
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|                             0xc3>;
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| defm I64_EXTEND32_S_I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins),
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|                             [(set I64:$dst, (sext_inreg I64:$src, i32))],
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|                             "i64.extend32_s\t$dst, $src", "i64.extend32_s",
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|                             0xc4>;
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| } // Predicates = [HasSignExt]
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| 
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| // Expand a "don't care" extend into zero-extend (chosen over sign-extend
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| // somewhat arbitrarily, although it favors popular hardware architectures
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| // and is conceptually a simpler operation).
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| def : Pat<(i64 (anyext I32:$src)), (I64_EXTEND_U_I32 I32:$src)>;
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| 
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| // Conversion from floating point to integer instructions which don't trap on
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| // overflow or invalid.
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| defm I32_TRUNC_S_SAT_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
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|                              [(set I32:$dst, (fp_to_sint F32:$src))],
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|                              "i32.trunc_sat_f32_s\t$dst, $src",
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|                              "i32.trunc_sat_f32_s", 0xfc00>,
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|                              Requires<[HasNontrappingFPToInt]>;
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| defm I32_TRUNC_U_SAT_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
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|                              [(set I32:$dst, (fp_to_uint F32:$src))],
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|                              "i32.trunc_sat_f32_u\t$dst, $src",
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|                              "i32.trunc_sat_f32_u", 0xfc01>,
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|                              Requires<[HasNontrappingFPToInt]>;
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| defm I64_TRUNC_S_SAT_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
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|                              [(set I64:$dst, (fp_to_sint F32:$src))],
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|                              "i64.trunc_sat_f32_s\t$dst, $src",
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|                              "i64.trunc_sat_f32_s", 0xfc04>,
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|                              Requires<[HasNontrappingFPToInt]>;
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| defm I64_TRUNC_U_SAT_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
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|                              [(set I64:$dst, (fp_to_uint F32:$src))],
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|                              "i64.trunc_sat_f32_u\t$dst, $src",
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|                              "i64.trunc_sat_f32_u", 0xfc05>,
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|                              Requires<[HasNontrappingFPToInt]>;
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| defm I32_TRUNC_S_SAT_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
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|                              [(set I32:$dst, (fp_to_sint F64:$src))],
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|                              "i32.trunc_sat_f64_s\t$dst, $src",
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|                              "i32.trunc_sat_f64_s", 0xfc02>,
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|                              Requires<[HasNontrappingFPToInt]>;
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| defm I32_TRUNC_U_SAT_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
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|                              [(set I32:$dst, (fp_to_uint F64:$src))],
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|                              "i32.trunc_sat_f64_u\t$dst, $src",
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|                              "i32.trunc_sat_f64_u", 0xfc03>,
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|                              Requires<[HasNontrappingFPToInt]>;
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| defm I64_TRUNC_S_SAT_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
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|                              [(set I64:$dst, (fp_to_sint F64:$src))],
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|                              "i64.trunc_sat_f64_s\t$dst, $src",
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|                              "i64.trunc_sat_f64_s", 0xfc06>,
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|                              Requires<[HasNontrappingFPToInt]>;
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| defm I64_TRUNC_U_SAT_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
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|                              [(set I64:$dst, (fp_to_uint F64:$src))],
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|                              "i64.trunc_sat_f64_u\t$dst, $src",
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|                              "i64.trunc_sat_f64_u", 0xfc07>,
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|                              Requires<[HasNontrappingFPToInt]>;
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| 
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| // Lower llvm.wasm.trunc.saturate.* to saturating instructions
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| def : Pat<(int_wasm_trunc_saturate_signed F32:$src),
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|           (I32_TRUNC_S_SAT_F32 F32:$src)>;
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| def : Pat<(int_wasm_trunc_saturate_unsigned F32:$src),
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|           (I32_TRUNC_U_SAT_F32 F32:$src)>;
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| def : Pat<(int_wasm_trunc_saturate_signed F64:$src),
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|           (I32_TRUNC_S_SAT_F64 F64:$src)>;
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| def : Pat<(int_wasm_trunc_saturate_unsigned F64:$src),
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|           (I32_TRUNC_U_SAT_F64 F64:$src)>;
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| def : Pat<(int_wasm_trunc_saturate_signed F32:$src),
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|           (I64_TRUNC_S_SAT_F32 F32:$src)>;
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| def : Pat<(int_wasm_trunc_saturate_unsigned F32:$src),
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|           (I64_TRUNC_U_SAT_F32 F32:$src)>;
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| def : Pat<(int_wasm_trunc_saturate_signed F64:$src),
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|           (I64_TRUNC_S_SAT_F64 F64:$src)>;
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| def : Pat<(int_wasm_trunc_saturate_unsigned F64:$src),
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|           (I64_TRUNC_U_SAT_F64 F64:$src)>;
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| 
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| // Conversion from floating point to integer pseudo-instructions which don't
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| // trap on overflow or invalid.
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| let usesCustomInserter = 1, isCodeGenOnly = 1 in {
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| defm FP_TO_SINT_I32_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
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|                             [(set I32:$dst, (fp_to_sint F32:$src))], "", "", 0>,
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|                             Requires<[NotHasNontrappingFPToInt]>;
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| defm FP_TO_UINT_I32_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
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|                             [(set I32:$dst, (fp_to_uint F32:$src))], "", "", 0>,
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|                             Requires<[NotHasNontrappingFPToInt]>;
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| defm FP_TO_SINT_I64_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
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|                             [(set I64:$dst, (fp_to_sint F32:$src))], "", "", 0>,
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|                             Requires<[NotHasNontrappingFPToInt]>;
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| defm FP_TO_UINT_I64_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
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|                             [(set I64:$dst, (fp_to_uint F32:$src))], "", "", 0>,
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|                             Requires<[NotHasNontrappingFPToInt]>;
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| defm FP_TO_SINT_I32_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
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|                             [(set I32:$dst, (fp_to_sint F64:$src))], "", "", 0>,
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|                             Requires<[NotHasNontrappingFPToInt]>;
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| defm FP_TO_UINT_I32_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
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|                             [(set I32:$dst, (fp_to_uint F64:$src))], "", "", 0>,
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|                             Requires<[NotHasNontrappingFPToInt]>;
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| defm FP_TO_SINT_I64_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
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|                             [(set I64:$dst, (fp_to_sint F64:$src))], "", "", 0>,
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|                             Requires<[NotHasNontrappingFPToInt]>;
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| defm FP_TO_UINT_I64_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
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|                             [(set I64:$dst, (fp_to_uint F64:$src))], "", "", 0>,
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|                             Requires<[NotHasNontrappingFPToInt]>;
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| } // usesCustomInserter, isCodeGenOnly = 1
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| 
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| // Conversion from floating point to integer traps on overflow and invalid.
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| let hasSideEffects = 1 in {
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| defm I32_TRUNC_S_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
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|                          [], "i32.trunc_f32_s\t$dst, $src", "i32.trunc_f32_s",
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|                          0xa8>;
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| defm I32_TRUNC_U_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
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|                          [], "i32.trunc_f32_u\t$dst, $src", "i32.trunc_f32_u",
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|                          0xa9>;
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| defm I64_TRUNC_S_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
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|                          [], "i64.trunc_f32_s\t$dst, $src", "i64.trunc_f32_s",
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|                          0xae>;
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| defm I64_TRUNC_U_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
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|                          [], "i64.trunc_f32_u\t$dst, $src", "i64.trunc_f32_u",
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|                          0xaf>;
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| defm I32_TRUNC_S_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
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|                          [], "i32.trunc_f64_s\t$dst, $src", "i32.trunc_f64_s",
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|                          0xaa>;
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| defm I32_TRUNC_U_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
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|                          [], "i32.trunc_f64_u\t$dst, $src", "i32.trunc_f64_u",
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|                          0xab>;
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| defm I64_TRUNC_S_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
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|                          [], "i64.trunc_f64_s\t$dst, $src", "i64.trunc_f64_s",
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|                          0xb0>;
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| defm I64_TRUNC_U_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
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|                          [], "i64.trunc_f64_u\t$dst, $src", "i64.trunc_f64_u",
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|                          0xb1>;
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| } // hasSideEffects = 1
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| 
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| def : Pat<(int_wasm_trunc_signed F32:$src),
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|           (I32_TRUNC_S_F32 F32:$src)>;
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| def : Pat<(int_wasm_trunc_unsigned F32:$src),
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|           (I32_TRUNC_U_F32 F32:$src)>;
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| def : Pat<(int_wasm_trunc_signed F64:$src),
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|           (I32_TRUNC_S_F64 F64:$src)>;
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| def : Pat<(int_wasm_trunc_unsigned F64:$src),
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|           (I32_TRUNC_U_F64 F64:$src)>;
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| def : Pat<(int_wasm_trunc_signed F32:$src),
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|           (I64_TRUNC_S_F32 F32:$src)>;
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| def : Pat<(int_wasm_trunc_unsigned F32:$src),
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|           (I64_TRUNC_U_F32 F32:$src)>;
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| def : Pat<(int_wasm_trunc_signed F64:$src),
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|           (I64_TRUNC_S_F64 F64:$src)>;
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| def : Pat<(int_wasm_trunc_unsigned F64:$src),
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|           (I64_TRUNC_U_F64 F64:$src)>;
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| 
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| defm F32_CONVERT_S_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins),
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|                            [(set F32:$dst, (sint_to_fp I32:$src))],
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|                            "f32.convert_i32_s\t$dst, $src", "f32.convert_i32_s",
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|                            0xb2>;
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| defm F32_CONVERT_U_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins),
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|                            [(set F32:$dst, (uint_to_fp I32:$src))],
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|                            "f32.convert_i32_u\t$dst, $src", "f32.convert_i32_u",
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|                            0xb3>;
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| defm F64_CONVERT_S_I32 : I<(outs F64:$dst), (ins I32:$src), (outs), (ins),
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|                            [(set F64:$dst, (sint_to_fp I32:$src))],
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|                            "f64.convert_i32_s\t$dst, $src", "f64.convert_i32_s",
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|                            0xb7>;
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| defm F64_CONVERT_U_I32 : I<(outs F64:$dst), (ins I32:$src), (outs), (ins),
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|                            [(set F64:$dst, (uint_to_fp I32:$src))],
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|                            "f64.convert_i32_u\t$dst, $src", "f64.convert_i32_u",
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|                            0xb8>;
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| defm F32_CONVERT_S_I64 : I<(outs F32:$dst), (ins I64:$src), (outs), (ins),
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|                            [(set F32:$dst, (sint_to_fp I64:$src))],
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|                            "f32.convert_i64_s\t$dst, $src", "f32.convert_i64_s",
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|                            0xb4>;
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| defm F32_CONVERT_U_I64 : I<(outs F32:$dst), (ins I64:$src), (outs), (ins),
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|                            [(set F32:$dst, (uint_to_fp I64:$src))],
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|                            "f32.convert_i64_u\t$dst, $src", "f32.convert_i64_u",
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|                            0xb5>;
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| defm F64_CONVERT_S_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins),
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|                            [(set F64:$dst, (sint_to_fp I64:$src))],
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|                            "f64.convert_i64_s\t$dst, $src", "f64.convert_i64_s",
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|                            0xb9>;
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| defm F64_CONVERT_U_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins),
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|                            [(set F64:$dst, (uint_to_fp I64:$src))],
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|                            "f64.convert_i64_u\t$dst, $src", "f64.convert_i64_u",
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|                            0xba>;
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| 
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| defm F64_PROMOTE_F32 : I<(outs F64:$dst), (ins F32:$src), (outs), (ins),
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|                          [(set F64:$dst, (fpextend F32:$src))],
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|                          "f64.promote_f32\t$dst, $src", "f64.promote_f32",
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|                          0xbb>;
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| defm F32_DEMOTE_F64 : I<(outs F32:$dst), (ins F64:$src), (outs), (ins),
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|                         [(set F32:$dst, (fpround F64:$src))],
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|                         "f32.demote_f64\t$dst, $src", "f32.demote_f64",
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|                         0xb6>;
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| 
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| defm I32_REINTERPRET_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
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|                              [(set I32:$dst, (bitconvert F32:$src))],
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|                              "i32.reinterpret_f32\t$dst, $src",
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|                              "i32.reinterpret_f32", 0xbc>;
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| defm F32_REINTERPRET_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins),
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|                              [(set F32:$dst, (bitconvert I32:$src))],
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|                              "f32.reinterpret_i32\t$dst, $src",
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|                              "f32.reinterpret_i32", 0xbe>;
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| defm I64_REINTERPRET_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
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|                              [(set I64:$dst, (bitconvert F64:$src))],
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|                              "i64.reinterpret_f64\t$dst, $src",
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|                              "i64.reinterpret_f64", 0xbd>;
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| defm F64_REINTERPRET_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins),
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|                              [(set F64:$dst, (bitconvert I64:$src))],
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|                              "f64.reinterpret_i64\t$dst, $src",
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|                              "f64.reinterpret_i64", 0xbf>;
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