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ac/llvm: replace removed amdgcn.ldexp for LLVM 18

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Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25393>
This commit is contained in:
Marek Olšák 2023-09-26 00:28:36 -04:00 • committed by Marge Bot
parent d638c60628
commit 8e97d291a8
1 changed files with 12 additions and 6 deletions
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18
src/amd/llvm/ac_nir_to_llvm.c
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@ -860,14 +860,20 @@ static bool visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
case nir_op_ldexp:
src[0] = ac_to_float(&ctx->ac, src[0]);
if (ac_get_elem_bits(&ctx->ac, def_type) == 32)
result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f32", ctx->ac.f32, src, 2,
0);
result = ac_build_intrinsic(&ctx->ac,
LLVM_VERSION_MAJOR >= 18 ? "llvm.ldexp.f32.i32"
: "llvm.amdgcn.ldexp.f32",
ctx->ac.f32, src, 2, 0);
else if (ac_get_elem_bits(&ctx->ac, def_type) == 16)
result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f16", ctx->ac.f16, src, 2,
0);
result = ac_build_intrinsic(&ctx->ac,
LLVM_VERSION_MAJOR >= 18 ? "llvm.ldexp.f16.i32"
: "llvm.amdgcn.ldexp.f16",
ctx->ac.f16, src, 2, 0);
else
result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f64", ctx->ac.f64, src, 2,
0);
result = ac_build_intrinsic(&ctx->ac,
LLVM_VERSION_MAJOR >= 18 ? "llvm.ldexp.f64.i32"
: "llvm.amdgcn.ldexp.f64",
ctx->ac.f64, src, 2, 0);
break;
case nir_op_bfm:
result = emit_bfm(&ctx->ac, src[0], src[1]);