diff options
| author | Alyssa Rosenzweig <[email protected]> | 2020-04-01 13:13:50 -0400 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-04-05 23:26:04 +0000 |
| commit | 5e3e32e368caabc50b669967b1a81b0f32102194 (patch) | |
| tree | 5ccd6a957eff23313e5e9b65371c235199f52c37 /src | |
| parent | dbb8a564f2661fe8f665ea0f2e277c19259ba968 (diff) | |
pan/bit: Implement floating source mods
Signed-off-by: Alyssa Rosenzweig <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4458>
Diffstat (limited to 'src')
| -rw-r--r-- | src/panfrost/bifrost/test/bi_interpret.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/panfrost/bifrost/test/bi_interpret.c b/src/panfrost/bifrost/test/bi_interpret.c index 8a4781b538e..2ad1a21df25 100644 --- a/src/panfrost/bifrost/test/bi_interpret.c +++ b/src/panfrost/bifrost/test/bi_interpret.c @@ -24,6 +24,7 @@ * Alyssa Rosenzweig <[email protected]> */ +#include <math.h> #include "bit.h" #include "util/half_float.h" @@ -201,6 +202,18 @@ bit_outmod(float raw, enum bifrost_outmod mod) } } +static float +bit_srcmod(float raw, bool abs, bool neg) +{ + if (abs) + raw = fabs(raw); + + if (neg) + raw = -raw; + + return raw; +} + void bit_step(struct bit_state *s, bi_instruction *ins, bool FMA) { @@ -210,6 +223,23 @@ bit_step(struct bit_state *s, bi_instruction *ins, bool FMA) bi_foreach_src(ins, src) srcs[src].u64 = bit_read(s, ins, ins->src[src], ins->src_types[src], FMA); + /* Apply source modifiers if we need to */ + if (bi_has_source_mods(ins)) { + bi_foreach_src(ins, src) { + if (ins->src_types[src] == nir_type_float16) { + for (unsigned c = 0; c < 2; ++c) { + srcs[src].f16[c] = bh(bit_srcmod(bf(srcs[src].f16[c]), + ins->src_abs[src], + ins->src_neg[src])); + } + } else if (ins->src_types[src] == nir_type_float32) { + srcs[src].f32 = bit_srcmod(srcs[src].f32, + ins->src_abs[src], + ins->src_neg[src]); + } + } + } + /* Next, do the action of the instruction */ bit_t dest = { 0 }; |