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pan/bi: Implement nir_op_f2[iu]32_rtne

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Reviewed-by: Christoph Pillmayer <christoph.pillmayer@arm.com>
Reviewed-by: Lorenzo Rossi <lorenzo.rossi@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41036>
This commit is contained in:
Faith Ekstrand 2026-04-16 16:31:49 -04:00 • committed by Marge Bot
parent 0d549f5bde
commit 4dfb07e7eb
1 changed files with 16 additions and 4 deletions
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20
src/panfrost/compiler/bifrost/bifrost_compile.c
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@ -3211,14 +3211,20 @@ bi_emit_alu(bi_builder *b, nir_alu_instr *instr)
}
case nir_op_f2i32:
case nir_op_f2i32_rtne: {
/* v11 removed F16_TO_S32 */
assert(src_sz == 32 || (b->shader->arch < 11 && src_sz == 16));
bi_instr *I;
if (src_sz == 32)
bi_f32_to_s32_to(b, dst, s0);
I = bi_f32_to_s32_to(b, dst, s0);
else
bi_f16_to_s32_to(b, dst, s0);
I = bi_f16_to_s32_to(b, dst, s0);
if (instr->op == nir_op_f2i32_rtne)
I->round = BI_ROUND_NONE;
break;
}
/* Note 32-bit sources => no vectorization, so 32-bit works */
case nir_op_f2u16:
@ -3242,14 +3248,20 @@ bi_emit_alu(bi_builder *b, nir_alu_instr *instr)
break;
case nir_op_f2u32:
case nir_op_f2u32_rtne: {
/* v11 removed F16_TO_U32 */
assert(src_sz == 32 || (b->shader->arch < 11 && src_sz == 16));
bi_instr *I;
if (src_sz == 32)
bi_f32_to_u32_to(b, dst, s0);
I = bi_f32_to_u32_to(b, dst, s0);
else
bi_f16_to_u32_to(b, dst, s0);
I = bi_f16_to_u32_to(b, dst, s0);
if (instr->op == nir_op_f2u32_rtne)
I->round = BI_ROUND_NONE;
break;
}
case nir_op_u2f16:
/* Starting with v11, we don't have V2XXX_TO_V2F16, this should have been