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pan/bi: Handle trivial i2i32

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lower_bool_to_bitsize can generate i2i32 from a 32-bit source, which is
trivial but needs to be handled explicitly to avoid going down the 8-bit
conversion path.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14576>
This commit is contained in:
Alyssa Rosenzweig 2022-01-15 14:06:06 -05:00 • committed by Marge Bot
parent f7d44a46cd
commit 6a05852f5b
1 changed files with 15 additions and 4 deletions
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19
src/panfrost/bifrost/bifrost_compile.c
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@ -2167,6 +2167,8 @@ bi_emit_alu(bi_builder *b, nir_alu_instr *instr)
break;
case nir_op_i2f32:
assert(src_sz == 32 || src_sz == 16 || src_sz == 8);
if (src_sz == 32)
bi_s32_to_f32_to(b, dst, s0, BI_ROUND_RTZ);
else if (src_sz == 16)
@ -2176,17 +2178,26 @@ bi_emit_alu(bi_builder *b, nir_alu_instr *instr)
break;
case nir_op_i2i32:
if (src_sz == 16)
assert(src_sz == 32 || src_sz == 16 || src_sz == 8);
if (src_sz == 32)
bi_mov_i32_to(b, dst, s0);
else if (src_sz == 16)
bi_s16_to_s32_to(b, dst, s0);
else
else if (src_sz == 8)
bi_s8_to_s32_to(b, dst, s0);
break;
case nir_op_u2u32:
if (src_sz == 16)
assert(src_sz == 32 || src_sz == 16 || src_sz == 8);
if (src_sz == 32)
bi_mov_i32_to(b, dst, s0);
else if (src_sz == 16)
bi_u16_to_u32_to(b, dst, s0);
else
else if (src_sz == 8)
bi_u8_to_u32_to(b, dst, s0);
break;
case nir_op_i2i16: