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From d3ec950f0d8492b980a91844ffd744d7e7824277 Mon Sep 17 00:00:00 2001
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From: Ben Skeggs <bskeggs@redhat.com>
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Date: Sat, 6 Jun 2020 16:58:00 +1000
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Subject: [PATCH] nir: use bitfield_insert instead of bfi in
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nir_lower_double_ops
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NVIDIA hardware doesn't have an equivilant to bfi, but we do already have
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a lowering for bitfield_insert->bfi.
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5373>
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---
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src/compiler/nir/nir_lower_double_ops.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/src/compiler/nir/nir_lower_double_ops.c b/src/compiler/nir/nir_lower_double_ops.c
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index f9c93a910a5..73226fd62ef 100644
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--- a/src/compiler/nir/nir_lower_double_ops.c
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+++ b/src/compiler/nir/nir_lower_double_ops.c
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@@ -49,7 +49,9 @@ set_exponent(nir_builder *b, nir_ssa_def *src, nir_ssa_def *exp)
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/* The exponent is bits 52-62, or 20-30 of the high word, so set the exponent
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* to 1023
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*/
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- nir_ssa_def *new_hi = nir_bfi(b, nir_imm_int(b, 0x7ff00000), exp, hi);
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+ nir_ssa_def *new_hi = nir_bitfield_insert(b, hi, exp,
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+ nir_imm_int(b, 20),
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+ nir_imm_int(b, 11));
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/* recombine */
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return nir_pack_64_2x32_split(b, lo, new_hi);
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}
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--
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2.26.2
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