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microsoft/compiler: Handle frcp for float16/float64

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21029>
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Jesse Natalie 2023-01-30 11:11:04 -08:00 • committed by Marge Bot
parent ed13c2261c
commit 4d76d46c13
1 changed files with 14 additions and 2 deletions
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16
src/microsoft/compiler/nir_to_dxil.c
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@ -2649,9 +2649,21 @@ emit_alu(struct ntd_context *ctx, nir_alu_instr *alu)
case nir_op_fround_even: return emit_unary_intin(ctx, alu, DXIL_INTR_ROUND_NE, src[0]);
case nir_op_frcp: {
const struct dxil_value *one = dxil_module_get_float_const(&ctx->mod, 1.0f);
return emit_binop(ctx, alu, DXIL_BINOP_SDIV, one, src[0]);
const struct dxil_value *one;
switch (alu->dest.dest.ssa.bit_size) {
case 16:
one = dxil_module_get_float16_const(&ctx->mod, 0x3C00);
break;
case 32:
one = dxil_module_get_float_const(&ctx->mod, 1.0f);
break;
case 64:
one = dxil_module_get_double_const(&ctx->mod, 1.0);
break;
default: unreachable("Invalid float size");
}
return emit_binop(ctx, alu, DXIL_BINOP_SDIV, one, src[0]);
}
case nir_op_fsat: return emit_unary_intin(ctx, alu, DXIL_INTR_SATURATE, src[0]);
case nir_op_bit_count: return emit_unary_intin(ctx, alu, DXIL_INTR_COUNTBITS, src[0]);
case nir_op_bitfield_reverse: return emit_unary_intin(ctx, alu, DXIL_INTR_BFREV, src[0]);