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pan/mdg: Implement *_rtz conversions with roundmode

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Use rte as the canonical type.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5285>
This commit is contained in:
Alyssa Rosenzweig 2020-05-25 14:19:11 -04:00 • committed by Marge Bot
parent 6290e83190
commit 93513cd9ff
1 changed files with 22 additions and 12 deletions
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34
src/panfrost/midgard/midgard_compile.c
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@ -540,6 +540,13 @@ nir_is_non_scalar_swizzle(nir_alu_src *src, unsigned nr_components)
assert(src_bitsize == dst_bitsize); \
break;
#define ALU_CASE_RTZ(nir, _op) \
case nir_op_##nir: \
op = midgard_alu_op_##_op; \
roundmode = MIDGARD_RTZ; \
assert(src_bitsize == dst_bitsize); \
break;
#define ALU_CHECK_CMP(sext) \
assert(src_bitsize == 16 || src_bitsize == 32); \
assert(dst_bitsize == 16 || dst_bitsize == 32); \
@ -758,6 +765,8 @@ emit_alu(compiler_context *ctx, nir_alu_instr *instr)
unsigned src_bitsize = nir_src_bit_size(instr->src[0].src);
unsigned dst_bitsize = nir_dest_bit_size(*dest);
enum midgard_roundmode roundmode = MIDGARD_RTE;
switch (instr->op) {
ALU_CASE(fadd, fadd);
ALU_CASE(fmul, fmul);
@ -817,20 +826,20 @@ emit_alu(compiler_context *ctx, nir_alu_instr *instr)
ALU_CASE(fexp2, fexp2);
ALU_CASE(flog2, flog2);
ALU_CASE(f2i64, f2i_rtz);
ALU_CASE(f2u64, f2u_rtz);
ALU_CASE(i2f64, i2f_rtz);
ALU_CASE(u2f64, u2f_rtz);
ALU_CASE_RTZ(f2i64, f2i_rte);
ALU_CASE_RTZ(f2u64, f2u_rte);
ALU_CASE_RTZ(i2f64, i2f_rte);
ALU_CASE_RTZ(u2f64, u2f_rte);
ALU_CASE(f2i32, f2i_rtz);
ALU_CASE(f2u32, f2u_rtz);
ALU_CASE(i2f32, i2f_rtz);
ALU_CASE(u2f32, u2f_rtz);
ALU_CASE_RTZ(f2i32, f2i_rte);
ALU_CASE_RTZ(f2u32, f2u_rte);
ALU_CASE_RTZ(i2f32, i2f_rte);
ALU_CASE_RTZ(u2f32, u2f_rte);
ALU_CASE(f2i16, f2i_rtz);
ALU_CASE(f2u16, f2u_rtz);
ALU_CASE(i2f16, i2f_rtz);
ALU_CASE(u2f16, u2f_rtz);
ALU_CASE_RTZ(f2i16, f2i_rte);
ALU_CASE_RTZ(f2u16, f2u_rte);
ALU_CASE_RTZ(i2f16, i2f_rte);
ALU_CASE_RTZ(u2f16, u2f_rte);
ALU_CASE(fsin, fsin);
ALU_CASE(fcos, fcos);
@ -997,6 +1006,7 @@ emit_alu(compiler_context *ctx, nir_alu_instr *instr)
.dest = nir_dest_index(dest),
.dest_type = nir_op_infos[instr->op].output_type
| nir_dest_bit_size(*dest),
.roundmode = roundmode,
};
for (unsigned i = nr_inputs; i < ARRAY_SIZE(ins.src); ++i)