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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
232 lines
13 KiB
TableGen
232 lines
13 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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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, $src", "i32.wrap_i64", 0xa7>;
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defm I64_EXTEND_S_I32 : I<(outs I64:$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, $src", "i64.extend_i32_u",
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0xad>;
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let Predicates = [HasSignExt] in {
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defm I32_EXTEND8_S_I32 : I<(outs I32:$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, $src", "i64.extend32_s",
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0xc4>;
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} // Predicates = [HasSignExt]
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// Expand a "don't care" extend into zero-extend (chosen over sign-extend
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// somewhat arbitrarily, although it favors popular hardware architectures
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// and is conceptually a simpler operation).
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def : Pat<(i64 (anyext I32:$src)), (I64_EXTEND_U_I32 I32:$src)>;
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// Conversion from floating point to integer instructions which don't trap on
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// overflow or invalid.
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defm I32_TRUNC_S_SAT_F32 : I<(outs I32:$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, $src",
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"i64.trunc_sat_f64_u", 0xfc07>,
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Requires<[HasNontrappingFPToInt]>;
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// Lower llvm.wasm.trunc.saturate.* to saturating instructions
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def : Pat<(int_wasm_trunc_saturate_signed F32:$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:$src)>;
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// Conversion from floating point to integer pseudo-instructions which don't
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// trap on overflow or invalid.
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let usesCustomInserter = 1, isCodeGenOnly = 1 in {
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defm FP_TO_SINT_I32_F32 : I<(outs I32:$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:$src))], "", "", 0>,
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Requires<[NotHasNontrappingFPToInt]>;
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} // usesCustomInserter, isCodeGenOnly = 1
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// Conversion from floating point to integer traps on overflow and invalid.
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let hasSideEffects = 1 in {
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defm I32_TRUNC_S_F32 : I<(outs I32:$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, $src", "i64.trunc_f64_u",
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0xb1>;
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} // hasSideEffects = 1
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defm F32_CONVERT_S_I32 : I<(outs F32:$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, $src", "f64.convert_i64_u",
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0xba>;
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defm F64_PROMOTE_F32 : I<(outs F64:$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, $src", "f32.demote_f64",
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0xb6>;
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defm I32_REINTERPRET_F32 : I<(outs I32:$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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