| //===-- WebAssemblyInstrConv.td-WebAssembly Conversion support -*- tablegen -*-= |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// \brief WebAssembly datatype conversions, truncations, reinterpretations, |
| /// promotions, and demotions operand code-gen constructs. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| let Defs = [ARGUMENTS] in { |
| |
| def I32_WRAP_I64 : I<(outs I32:$dst), (ins I64:$src), |
| [(set I32:$dst, (trunc I64:$src))], |
| "i32.wrap/i64\t$dst, $src", 0xa7>; |
| |
| def I64_EXTEND_S_I32 : I<(outs I64:$dst), (ins I32:$src), |
| [(set I64:$dst, (sext I32:$src))], |
| "i64.extend_s/i32\t$dst, $src", 0xac>; |
| def I64_EXTEND_U_I32 : I<(outs I64:$dst), (ins I32:$src), |
| [(set I64:$dst, (zext I32:$src))], |
| "i64.extend_u/i32\t$dst, $src", 0xad>; |
| |
| let Predicates = [HasAtomics] in { |
| def I32_EXTEND8_S_I32 : I<(outs I32:$dst), (ins I32:$src), |
| [(set I32:$dst, (sext_inreg I32:$src, i8))], |
| "i32.extend8_s\t$dst, $src", 0xc0>; |
| def I32_EXTEND16_S_I32 : I<(outs I32:$dst), (ins I32:$src), |
| [(set I32:$dst, (sext_inreg I32:$src, i16))], |
| "i32.extend16_s\t$dst, $src", 0xc1>; |
| def I64_EXTEND8_S_I64 : I<(outs I64:$dst), (ins I64:$src), |
| [(set I64:$dst, (sext_inreg I64:$src, i8))], |
| "i64.extend8_s\t$dst, $src", 0xc2>; |
| def I64_EXTEND16_S_I64 : I<(outs I64:$dst), (ins I64:$src), |
| [(set I64:$dst, (sext_inreg I64:$src, i16))], |
| "i64.extend16_s\t$dst, $src", 0xc3>; |
| def I64_EXTEND32_S_I64 : I<(outs I64:$dst), (ins I64:$src), |
| [(set I64:$dst, (sext_inreg I64:$src, i32))], |
| "i64.extend32_s\t$dst, $src", 0xc4>; |
| } // Predicates = [HasAtomics] |
| |
| } // defs = [ARGUMENTS] |
| |
| // Expand a "don't care" extend into zero-extend (chosen over sign-extend |
| // somewhat arbitrarily, although it favors popular hardware architectures |
| // and is conceptually a simpler operation). |
| def : Pat<(i64 (anyext I32:$src)), (I64_EXTEND_U_I32 I32:$src)>; |
| |
| let Defs = [ARGUMENTS] in { |
| |
| // Conversion from floating point to integer traps on overflow and invalid. |
| let hasSideEffects = 1 in { |
| def I32_TRUNC_S_F32 : I<(outs I32:$dst), (ins F32:$src), |
| [(set I32:$dst, (fp_to_sint F32:$src))], |
| "i32.trunc_s/f32\t$dst, $src", 0xa8>; |
| def I32_TRUNC_U_F32 : I<(outs I32:$dst), (ins F32:$src), |
| [(set I32:$dst, (fp_to_uint F32:$src))], |
| "i32.trunc_u/f32\t$dst, $src", 0xa9>; |
| def I64_TRUNC_S_F32 : I<(outs I64:$dst), (ins F32:$src), |
| [(set I64:$dst, (fp_to_sint F32:$src))], |
| "i64.trunc_s/f32\t$dst, $src", 0xae>; |
| def I64_TRUNC_U_F32 : I<(outs I64:$dst), (ins F32:$src), |
| [(set I64:$dst, (fp_to_uint F32:$src))], |
| "i64.trunc_u/f32\t$dst, $src", 0xaf>; |
| def I32_TRUNC_S_F64 : I<(outs I32:$dst), (ins F64:$src), |
| [(set I32:$dst, (fp_to_sint F64:$src))], |
| "i32.trunc_s/f64\t$dst, $src", 0xaa>; |
| def I32_TRUNC_U_F64 : I<(outs I32:$dst), (ins F64:$src), |
| [(set I32:$dst, (fp_to_uint F64:$src))], |
| "i32.trunc_u/f64\t$dst, $src", 0xab>; |
| def I64_TRUNC_S_F64 : I<(outs I64:$dst), (ins F64:$src), |
| [(set I64:$dst, (fp_to_sint F64:$src))], |
| "i64.trunc_s/f64\t$dst, $src", 0xb0>; |
| def I64_TRUNC_U_F64 : I<(outs I64:$dst), (ins F64:$src), |
| [(set I64:$dst, (fp_to_uint F64:$src))], |
| "i64.trunc_u/f64\t$dst, $src", 0xb1>; |
| } // hasSideEffects = 1 |
| |
| def F32_CONVERT_S_I32 : I<(outs F32:$dst), (ins I32:$src), |
| [(set F32:$dst, (sint_to_fp I32:$src))], |
| "f32.convert_s/i32\t$dst, $src", 0xb2>; |
| def F32_CONVERT_U_I32 : I<(outs F32:$dst), (ins I32:$src), |
| [(set F32:$dst, (uint_to_fp I32:$src))], |
| "f32.convert_u/i32\t$dst, $src", 0xb3>; |
| def F64_CONVERT_S_I32 : I<(outs F64:$dst), (ins I32:$src), |
| [(set F64:$dst, (sint_to_fp I32:$src))], |
| "f64.convert_s/i32\t$dst, $src", 0xb7>; |
| def F64_CONVERT_U_I32 : I<(outs F64:$dst), (ins I32:$src), |
| [(set F64:$dst, (uint_to_fp I32:$src))], |
| "f64.convert_u/i32\t$dst, $src", 0xb8>; |
| def F32_CONVERT_S_I64 : I<(outs F32:$dst), (ins I64:$src), |
| [(set F32:$dst, (sint_to_fp I64:$src))], |
| "f32.convert_s/i64\t$dst, $src", 0xb4>; |
| def F32_CONVERT_U_I64 : I<(outs F32:$dst), (ins I64:$src), |
| [(set F32:$dst, (uint_to_fp I64:$src))], |
| "f32.convert_u/i64\t$dst, $src", 0xb5>; |
| def F64_CONVERT_S_I64 : I<(outs F64:$dst), (ins I64:$src), |
| [(set F64:$dst, (sint_to_fp I64:$src))], |
| "f64.convert_s/i64\t$dst, $src", 0xb9>; |
| def F64_CONVERT_U_I64 : I<(outs F64:$dst), (ins I64:$src), |
| [(set F64:$dst, (uint_to_fp I64:$src))], |
| "f64.convert_u/i64\t$dst, $src", 0xba>; |
| |
| def F64_PROMOTE_F32 : I<(outs F64:$dst), (ins F32:$src), |
| [(set F64:$dst, (fpextend F32:$src))], |
| "f64.promote/f32\t$dst, $src", 0xbb>; |
| def F32_DEMOTE_F64 : I<(outs F32:$dst), (ins F64:$src), |
| [(set F32:$dst, (fpround F64:$src))], |
| "f32.demote/f64\t$dst, $src", 0xb6>; |
| |
| def I32_REINTERPRET_F32 : I<(outs I32:$dst), (ins F32:$src), |
| [(set I32:$dst, (bitconvert F32:$src))], |
| "i32.reinterpret/f32\t$dst, $src", 0xbc>; |
| def F32_REINTERPRET_I32 : I<(outs F32:$dst), (ins I32:$src), |
| [(set F32:$dst, (bitconvert I32:$src))], |
| "f32.reinterpret/i32\t$dst, $src", 0xbe>; |
| def I64_REINTERPRET_F64 : I<(outs I64:$dst), (ins F64:$src), |
| [(set I64:$dst, (bitconvert F64:$src))], |
| "i64.reinterpret/f64\t$dst, $src", 0xbd>; |
| def F64_REINTERPRET_I64 : I<(outs F64:$dst), (ins I64:$src), |
| [(set F64:$dst, (bitconvert I64:$src))], |
| "f64.reinterpret/i64\t$dst, $src", 0xbf>; |
| |
| } // Defs = [ARGUMENTS] |
