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-rw-r--r--llvm/lib/Target/WebAssembly/WebAssemblyInstrConv.td248
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diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrConv.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrConv.td
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+//===-- WebAssemblyInstrConv.td-WebAssembly Conversion support -*- tablegen -*-=
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// WebAssembly datatype conversions, truncations, reinterpretations,
+/// promotions, and demotions operand code-gen constructs.
+///
+//===----------------------------------------------------------------------===//
+
+defm I32_WRAP_I64 : I<(outs I32:$dst), (ins I64:$src), (outs), (ins),
+ [(set I32:$dst, (trunc I64:$src))],
+ "i32.wrap_i64\t$dst, $src", "i32.wrap_i64", 0xa7>;
+
+defm I64_EXTEND_S_I32 : I<(outs I64:$dst), (ins I32:$src), (outs), (ins),
+ [(set I64:$dst, (sext I32:$src))],
+ "i64.extend_i32_s\t$dst, $src", "i64.extend_i32_s",
+ 0xac>;
+defm I64_EXTEND_U_I32 : I<(outs I64:$dst), (ins I32:$src), (outs), (ins),
+ [(set I64:$dst, (zext I32:$src))],
+ "i64.extend_i32_u\t$dst, $src", "i64.extend_i32_u",
+ 0xad>;
+
+let Predicates = [HasSignExt] in {
+defm I32_EXTEND8_S_I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins),
+ [(set I32:$dst, (sext_inreg I32:$src, i8))],
+ "i32.extend8_s\t$dst, $src", "i32.extend8_s",
+ 0xc0>;
+defm I32_EXTEND16_S_I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins),
+ [(set I32:$dst, (sext_inreg I32:$src, i16))],
+ "i32.extend16_s\t$dst, $src", "i32.extend16_s",
+ 0xc1>;
+defm I64_EXTEND8_S_I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins),
+ [(set I64:$dst, (sext_inreg I64:$src, i8))],
+ "i64.extend8_s\t$dst, $src", "i64.extend8_s",
+ 0xc2>;
+defm I64_EXTEND16_S_I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins),
+ [(set I64:$dst, (sext_inreg I64:$src, i16))],
+ "i64.extend16_s\t$dst, $src", "i64.extend16_s",
+ 0xc3>;
+defm I64_EXTEND32_S_I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins),
+ [(set I64:$dst, (sext_inreg I64:$src, i32))],
+ "i64.extend32_s\t$dst, $src", "i64.extend32_s",
+ 0xc4>;
+} // Predicates = [HasSignExt]
+
+// Expand a "don't care" extend into zero-extend (chosen over sign-extend
+// somewhat arbitrarily, although it favors popular hardware architectures
+// and is conceptually a simpler operation).
+def : Pat<(i64 (anyext I32:$src)), (I64_EXTEND_U_I32 I32:$src)>;
+
+// Conversion from floating point to integer instructions which don't trap on
+// overflow or invalid.
+defm I32_TRUNC_S_SAT_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
+ [(set I32:$dst, (fp_to_sint F32:$src))],
+ "i32.trunc_sat_f32_s\t$dst, $src",
+ "i32.trunc_sat_f32_s", 0xfc00>,
+ Requires<[HasNontrappingFPToInt]>;
+defm I32_TRUNC_U_SAT_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
+ [(set I32:$dst, (fp_to_uint F32:$src))],
+ "i32.trunc_sat_f32_u\t$dst, $src",
+ "i32.trunc_sat_f32_u", 0xfc01>,
+ Requires<[HasNontrappingFPToInt]>;
+defm I64_TRUNC_S_SAT_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
+ [(set I64:$dst, (fp_to_sint F32:$src))],
+ "i64.trunc_sat_f32_s\t$dst, $src",
+ "i64.trunc_sat_f32_s", 0xfc04>,
+ Requires<[HasNontrappingFPToInt]>;
+defm I64_TRUNC_U_SAT_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
+ [(set I64:$dst, (fp_to_uint F32:$src))],
+ "i64.trunc_sat_f32_u\t$dst, $src",
+ "i64.trunc_sat_f32_u", 0xfc05>,
+ Requires<[HasNontrappingFPToInt]>;
+defm I32_TRUNC_S_SAT_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
+ [(set I32:$dst, (fp_to_sint F64:$src))],
+ "i32.trunc_sat_f64_s\t$dst, $src",
+ "i32.trunc_sat_f64_s", 0xfc02>,
+ Requires<[HasNontrappingFPToInt]>;
+defm I32_TRUNC_U_SAT_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
+ [(set I32:$dst, (fp_to_uint F64:$src))],
+ "i32.trunc_sat_f64_u\t$dst, $src",
+ "i32.trunc_sat_f64_u", 0xfc03>,
+ Requires<[HasNontrappingFPToInt]>;
+defm I64_TRUNC_S_SAT_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
+ [(set I64:$dst, (fp_to_sint F64:$src))],
+ "i64.trunc_sat_f64_s\t$dst, $src",
+ "i64.trunc_sat_f64_s", 0xfc06>,
+ Requires<[HasNontrappingFPToInt]>;
+defm I64_TRUNC_U_SAT_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
+ [(set I64:$dst, (fp_to_uint F64:$src))],
+ "i64.trunc_sat_f64_u\t$dst, $src",
+ "i64.trunc_sat_f64_u", 0xfc07>,
+ Requires<[HasNontrappingFPToInt]>;
+
+// Lower llvm.wasm.trunc.saturate.* to saturating instructions
+def : Pat<(int_wasm_trunc_saturate_signed F32:$src),
+ (I32_TRUNC_S_SAT_F32 F32:$src)>;
+def : Pat<(int_wasm_trunc_saturate_unsigned F32:$src),
+ (I32_TRUNC_U_SAT_F32 F32:$src)>;
+def : Pat<(int_wasm_trunc_saturate_signed F64:$src),
+ (I32_TRUNC_S_SAT_F64 F64:$src)>;
+def : Pat<(int_wasm_trunc_saturate_unsigned F64:$src),
+ (I32_TRUNC_U_SAT_F64 F64:$src)>;
+def : Pat<(int_wasm_trunc_saturate_signed F32:$src),
+ (I64_TRUNC_S_SAT_F32 F32:$src)>;
+def : Pat<(int_wasm_trunc_saturate_unsigned F32:$src),
+ (I64_TRUNC_U_SAT_F32 F32:$src)>;
+def : Pat<(int_wasm_trunc_saturate_signed F64:$src),
+ (I64_TRUNC_S_SAT_F64 F64:$src)>;
+def : Pat<(int_wasm_trunc_saturate_unsigned F64:$src),
+ (I64_TRUNC_U_SAT_F64 F64:$src)>;
+
+// Conversion from floating point to integer pseudo-instructions which don't
+// trap on overflow or invalid.
+let usesCustomInserter = 1, isCodeGenOnly = 1 in {
+defm FP_TO_SINT_I32_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
+ [(set I32:$dst, (fp_to_sint F32:$src))], "", "", 0>,
+ Requires<[NotHasNontrappingFPToInt]>;
+defm FP_TO_UINT_I32_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
+ [(set I32:$dst, (fp_to_uint F32:$src))], "", "", 0>,
+ Requires<[NotHasNontrappingFPToInt]>;
+defm FP_TO_SINT_I64_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
+ [(set I64:$dst, (fp_to_sint F32:$src))], "", "", 0>,
+ Requires<[NotHasNontrappingFPToInt]>;
+defm FP_TO_UINT_I64_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
+ [(set I64:$dst, (fp_to_uint F32:$src))], "", "", 0>,
+ Requires<[NotHasNontrappingFPToInt]>;
+defm FP_TO_SINT_I32_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
+ [(set I32:$dst, (fp_to_sint F64:$src))], "", "", 0>,
+ Requires<[NotHasNontrappingFPToInt]>;
+defm FP_TO_UINT_I32_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
+ [(set I32:$dst, (fp_to_uint F64:$src))], "", "", 0>,
+ Requires<[NotHasNontrappingFPToInt]>;
+defm FP_TO_SINT_I64_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
+ [(set I64:$dst, (fp_to_sint F64:$src))], "", "", 0>,
+ Requires<[NotHasNontrappingFPToInt]>;
+defm FP_TO_UINT_I64_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
+ [(set I64:$dst, (fp_to_uint F64:$src))], "", "", 0>,
+ Requires<[NotHasNontrappingFPToInt]>;
+} // usesCustomInserter, isCodeGenOnly = 1
+
+// Conversion from floating point to integer traps on overflow and invalid.
+let hasSideEffects = 1 in {
+defm I32_TRUNC_S_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
+ [], "i32.trunc_f32_s\t$dst, $src", "i32.trunc_f32_s",
+ 0xa8>;
+defm I32_TRUNC_U_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
+ [], "i32.trunc_f32_u\t$dst, $src", "i32.trunc_f32_u",
+ 0xa9>;
+defm I64_TRUNC_S_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
+ [], "i64.trunc_f32_s\t$dst, $src", "i64.trunc_f32_s",
+ 0xae>;
+defm I64_TRUNC_U_F32 : I<(outs I64:$dst), (ins F32:$src), (outs), (ins),
+ [], "i64.trunc_f32_u\t$dst, $src", "i64.trunc_f32_u",
+ 0xaf>;
+defm I32_TRUNC_S_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
+ [], "i32.trunc_f64_s\t$dst, $src", "i32.trunc_f64_s",
+ 0xaa>;
+defm I32_TRUNC_U_F64 : I<(outs I32:$dst), (ins F64:$src), (outs), (ins),
+ [], "i32.trunc_f64_u\t$dst, $src", "i32.trunc_f64_u",
+ 0xab>;
+defm I64_TRUNC_S_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
+ [], "i64.trunc_f64_s\t$dst, $src", "i64.trunc_f64_s",
+ 0xb0>;
+defm I64_TRUNC_U_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
+ [], "i64.trunc_f64_u\t$dst, $src", "i64.trunc_f64_u",
+ 0xb1>;
+} // hasSideEffects = 1
+
+def : Pat<(int_wasm_trunc_signed F32:$src),
+ (I32_TRUNC_S_F32 F32:$src)>;
+def : Pat<(int_wasm_trunc_unsigned F32:$src),
+ (I32_TRUNC_U_F32 F32:$src)>;
+def : Pat<(int_wasm_trunc_signed F64:$src),
+ (I32_TRUNC_S_F64 F64:$src)>;
+def : Pat<(int_wasm_trunc_unsigned F64:$src),
+ (I32_TRUNC_U_F64 F64:$src)>;
+def : Pat<(int_wasm_trunc_signed F32:$src),
+ (I64_TRUNC_S_F32 F32:$src)>;
+def : Pat<(int_wasm_trunc_unsigned F32:$src),
+ (I64_TRUNC_U_F32 F32:$src)>;
+def : Pat<(int_wasm_trunc_signed F64:$src),
+ (I64_TRUNC_S_F64 F64:$src)>;
+def : Pat<(int_wasm_trunc_unsigned F64:$src),
+ (I64_TRUNC_U_F64 F64:$src)>;
+
+defm F32_CONVERT_S_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins),
+ [(set F32:$dst, (sint_to_fp I32:$src))],
+ "f32.convert_i32_s\t$dst, $src", "f32.convert_i32_s",
+ 0xb2>;
+defm F32_CONVERT_U_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins),
+ [(set F32:$dst, (uint_to_fp I32:$src))],
+ "f32.convert_i32_u\t$dst, $src", "f32.convert_i32_u",
+ 0xb3>;
+defm F64_CONVERT_S_I32 : I<(outs F64:$dst), (ins I32:$src), (outs), (ins),
+ [(set F64:$dst, (sint_to_fp I32:$src))],
+ "f64.convert_i32_s\t$dst, $src", "f64.convert_i32_s",
+ 0xb7>;
+defm F64_CONVERT_U_I32 : I<(outs F64:$dst), (ins I32:$src), (outs), (ins),
+ [(set F64:$dst, (uint_to_fp I32:$src))],
+ "f64.convert_i32_u\t$dst, $src", "f64.convert_i32_u",
+ 0xb8>;
+defm F32_CONVERT_S_I64 : I<(outs F32:$dst), (ins I64:$src), (outs), (ins),
+ [(set F32:$dst, (sint_to_fp I64:$src))],
+ "f32.convert_i64_s\t$dst, $src", "f32.convert_i64_s",
+ 0xb4>;
+defm F32_CONVERT_U_I64 : I<(outs F32:$dst), (ins I64:$src), (outs), (ins),
+ [(set F32:$dst, (uint_to_fp I64:$src))],
+ "f32.convert_i64_u\t$dst, $src", "f32.convert_i64_u",
+ 0xb5>;
+defm F64_CONVERT_S_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins),
+ [(set F64:$dst, (sint_to_fp I64:$src))],
+ "f64.convert_i64_s\t$dst, $src", "f64.convert_i64_s",
+ 0xb9>;
+defm F64_CONVERT_U_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins),
+ [(set F64:$dst, (uint_to_fp I64:$src))],
+ "f64.convert_i64_u\t$dst, $src", "f64.convert_i64_u",
+ 0xba>;
+
+defm F64_PROMOTE_F32 : I<(outs F64:$dst), (ins F32:$src), (outs), (ins),
+ [(set F64:$dst, (fpextend F32:$src))],
+ "f64.promote_f32\t$dst, $src", "f64.promote_f32",
+ 0xbb>;
+defm F32_DEMOTE_F64 : I<(outs F32:$dst), (ins F64:$src), (outs), (ins),
+ [(set F32:$dst, (fpround F64:$src))],
+ "f32.demote_f64\t$dst, $src", "f32.demote_f64",
+ 0xb6>;
+
+defm I32_REINTERPRET_F32 : I<(outs I32:$dst), (ins F32:$src), (outs), (ins),
+ [(set I32:$dst, (bitconvert F32:$src))],
+ "i32.reinterpret_f32\t$dst, $src",
+ "i32.reinterpret_f32", 0xbc>;
+defm F32_REINTERPRET_I32 : I<(outs F32:$dst), (ins I32:$src), (outs), (ins),
+ [(set F32:$dst, (bitconvert I32:$src))],
+ "f32.reinterpret_i32\t$dst, $src",
+ "f32.reinterpret_i32", 0xbe>;
+defm I64_REINTERPRET_F64 : I<(outs I64:$dst), (ins F64:$src), (outs), (ins),
+ [(set I64:$dst, (bitconvert F64:$src))],
+ "i64.reinterpret_f64\t$dst, $src",
+ "i64.reinterpret_f64", 0xbd>;
+defm F64_REINTERPRET_I64 : I<(outs F64:$dst), (ins I64:$src), (outs), (ins),
+ [(set F64:$dst, (bitconvert I64:$src))],
+ "f64.reinterpret_i64\t$dst, $src",
+ "f64.reinterpret_i64", 0xbf>;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-25 20:20:32 +0000