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ac: implement nir_op_ldexp

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Timothy Arceri 2018-02-27 19:37:59 +11:00
parent 9790921ff5
commit 08fa84bb9a
1 changed files with 7 additions and 0 deletions
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7
src/amd/common/ac_nir_to_llvm.c
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@ -1907,6 +1907,13 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
result = emit_intrin_3f_param(&ctx->ac, "llvm.fmuladd",
ac_to_float_type(&ctx->ac, def_type), src[0], src[1], src[2]);
break;
case nir_op_ldexp:
src[0] = ac_to_float(&ctx->ac, src[0]);
if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) == 32)
result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f32", ctx->ac.f32, src, 2, AC_FUNC_ATTR_READNONE);
else
result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f64", ctx->ac.f64, src, 2, AC_FUNC_ATTR_READNONE);
break;
case nir_op_ibitfield_extract:
result = emit_bitfield_extract(&ctx->ac, true, src);
break;