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pan/bi: Passthrough second argument of F32_TO_F16

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At the NIR level this is a second vector source of the first (only)
argument; at the BIR level this is a pair of scalars.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5307>
This commit is contained in:
Alyssa Rosenzweig 2020-06-02 19:29:25 -04:00 • committed by Marge Bot
parent 8a4efe2d73
commit 1b09c6993d
1 changed files with 20 additions and 0 deletions
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20
src/panfrost/bifrost/bifrost_compile.c
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@ -834,6 +834,26 @@ emit_alu(bi_context *ctx, nir_alu_instr *instr)
case nir_op_ixor:
alu.op.bitwise = BI_BITWISE_XOR;
break;
case nir_op_f2f16:
case nir_op_i2i16:
case nir_op_u2u16: {
if (nir_src_bit_size(instr->src[0].src) != 32)
break;
/* Should have been const folded */
assert(!nir_src_is_const(instr->src[0].src));
alu.src_types[1] = alu.src_types[0];
alu.src[1] = alu.src[0];
unsigned last = nir_dest_num_components(instr->dest.dest) - 1;
assert(last <= 1);
alu.swizzle[1][0] = instr->src[0].swizzle[last];
break;
}
default:
break;
}