112 lines
5.6 KiB
TableGen
112 lines
5.6 KiB
TableGen
//===-- WebAssemblyInstrConv.td-WebAssembly Conversion support -*- tablegen -*-=
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief 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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let Defs = [ARGUMENTS] in {
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def I32_WRAP_I64 : I<(outs I32:$dst), (ins I64:$src),
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[(set I32:$dst, (trunc I64:$src))],
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"i32.wrap/i64\t$dst, $src", 0xa7>;
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def I64_EXTEND_S_I32 : I<(outs I64:$dst), (ins I32:$src),
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[(set I64:$dst, (sext I32:$src))],
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"i64.extend_s/i32\t$dst, $src", 0xac>;
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def I64_EXTEND_U_I32 : I<(outs I64:$dst), (ins I32:$src),
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[(set I64:$dst, (zext I32:$src))],
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"i64.extend_u/i32\t$dst, $src", 0xad>;
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} // defs = [ARGUMENTS]
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// Expand a "don't care" extend into zero-extend (chosen over sign-extend
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// somewhat arbitrarily, although it favors popular hardware architectures
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// and is conceptually a simpler operation).
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def : Pat<(i64 (anyext I32:$src)), (I64_EXTEND_U_I32 I32:$src)>;
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let Defs = [ARGUMENTS] in {
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// Conversion from floating point to integer traps on overflow and invalid.
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let hasSideEffects = 1 in {
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def I32_TRUNC_S_F32 : I<(outs I32:$dst), (ins F32:$src),
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[(set I32:$dst, (fp_to_sint F32:$src))],
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"i32.trunc_s/f32\t$dst, $src", 0xa8>;
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def I32_TRUNC_U_F32 : I<(outs I32:$dst), (ins F32:$src),
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[(set I32:$dst, (fp_to_uint F32:$src))],
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"i32.trunc_u/f32\t$dst, $src", 0xa9>;
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def I64_TRUNC_S_F32 : I<(outs I64:$dst), (ins F32:$src),
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[(set I64:$dst, (fp_to_sint F32:$src))],
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"i64.trunc_s/f32\t$dst, $src", 0xae>;
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def I64_TRUNC_U_F32 : I<(outs I64:$dst), (ins F32:$src),
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[(set I64:$dst, (fp_to_uint F32:$src))],
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"i64.trunc_u/f32\t$dst, $src", 0xaf>;
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def I32_TRUNC_S_F64 : I<(outs I32:$dst), (ins F64:$src),
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[(set I32:$dst, (fp_to_sint F64:$src))],
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"i32.trunc_s/f64\t$dst, $src", 0xaa>;
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def I32_TRUNC_U_F64 : I<(outs I32:$dst), (ins F64:$src),
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[(set I32:$dst, (fp_to_uint F64:$src))],
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"i32.trunc_u/f64\t$dst, $src", 0xab>;
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def I64_TRUNC_S_F64 : I<(outs I64:$dst), (ins F64:$src),
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[(set I64:$dst, (fp_to_sint F64:$src))],
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"i64.trunc_s/f64\t$dst, $src", 0xb0>;
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def I64_TRUNC_U_F64 : I<(outs I64:$dst), (ins F64:$src),
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[(set I64:$dst, (fp_to_uint F64:$src))],
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"i64.trunc_u/f64\t$dst, $src", 0xb1>;
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} // hasSideEffects = 1
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def F32_CONVERT_S_I32 : I<(outs F32:$dst), (ins I32:$src),
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[(set F32:$dst, (sint_to_fp I32:$src))],
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"f32.convert_s/i32\t$dst, $src", 0xb2>;
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def F32_CONVERT_U_I32 : I<(outs F32:$dst), (ins I32:$src),
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[(set F32:$dst, (uint_to_fp I32:$src))],
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"f32.convert_u/i32\t$dst, $src", 0xb3>;
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def F64_CONVERT_S_I32 : I<(outs F64:$dst), (ins I32:$src),
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[(set F64:$dst, (sint_to_fp I32:$src))],
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"f64.convert_s/i32\t$dst, $src", 0xb7>;
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def F64_CONVERT_U_I32 : I<(outs F64:$dst), (ins I32:$src),
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[(set F64:$dst, (uint_to_fp I32:$src))],
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"f64.convert_u/i32\t$dst, $src", 0xb8>;
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def F32_CONVERT_S_I64 : I<(outs F32:$dst), (ins I64:$src),
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[(set F32:$dst, (sint_to_fp I64:$src))],
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"f32.convert_s/i64\t$dst, $src", 0xb4>;
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def F32_CONVERT_U_I64 : I<(outs F32:$dst), (ins I64:$src),
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[(set F32:$dst, (uint_to_fp I64:$src))],
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"f32.convert_u/i64\t$dst, $src", 0xb5>;
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def F64_CONVERT_S_I64 : I<(outs F64:$dst), (ins I64:$src),
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[(set F64:$dst, (sint_to_fp I64:$src))],
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"f64.convert_s/i64\t$dst, $src", 0xb9>;
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def F64_CONVERT_U_I64 : I<(outs F64:$dst), (ins I64:$src),
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[(set F64:$dst, (uint_to_fp I64:$src))],
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"f64.convert_u/i64\t$dst, $src", 0xba>;
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def F64_PROMOTE_F32 : I<(outs F64:$dst), (ins F32:$src),
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[(set F64:$dst, (fpextend F32:$src))],
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"f64.promote/f32\t$dst, $src", 0xbb>;
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def F32_DEMOTE_F64 : I<(outs F32:$dst), (ins F64:$src),
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[(set F32:$dst, (fpround F64:$src))],
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"f32.demote/f64\t$dst, $src", 0xb6>;
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def I32_REINTERPRET_F32 : I<(outs I32:$dst), (ins F32:$src),
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[(set I32:$dst, (bitconvert F32:$src))],
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"i32.reinterpret/f32\t$dst, $src", 0xbc>;
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def F32_REINTERPRET_I32 : I<(outs F32:$dst), (ins I32:$src),
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[(set F32:$dst, (bitconvert I32:$src))],
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"f32.reinterpret/i32\t$dst, $src", 0xbe>;
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def I64_REINTERPRET_F64 : I<(outs I64:$dst), (ins F64:$src),
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[(set I64:$dst, (bitconvert F64:$src))],
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"i64.reinterpret/f64\t$dst, $src", 0xbd>;
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def F64_REINTERPRET_I64 : I<(outs F64:$dst), (ins I64:$src),
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[(set F64:$dst, (bitconvert I64:$src))],
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"f64.reinterpret/i64\t$dst, $src", 0xbf>;
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} // Defs = [ARGUMENTS]
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