Commit 9b262208 authored by Alyssa Rosenzweig's avatar Alyssa Rosenzweig 💜 Committed by Marge Bot
Browse files

pan/bit: Add CSEL to interpreter


Signed-off-by: Alyssa Rosenzweig's avatarAlyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <mesa/mesa!4458>
parent 069189ff
......@@ -214,6 +214,41 @@ bit_srcmod(float raw, bool abs, bool neg)
return raw;
}
#define BIT_COND(cond, left, right) \
if (cond == BI_COND_LT) return left < right; \
else if (cond == BI_COND_LE) return left <= right; \
else if (cond == BI_COND_GE) return left >= right; \
else if (cond == BI_COND_GT) return left > right; \
else if (cond == BI_COND_EQ) return left == right; \
else if (cond == BI_COND_NE) return left != right; \
else { return true; }
static bool
bit_eval_cond(enum bi_cond cond, bit_t l, bit_t r, nir_alu_type T, unsigned c)
{
if (T == nir_type_float32) {
BIT_COND(cond, l.f32, r.f32);
} else if (T == nir_type_float16) {
float left = bf(l.f16[c]);
float right = bf(r.f16[c]);
BIT_COND(cond, left, right);
} else if (T == nir_type_int32) {
int32_t left = (int32_t) l.u32;
int32_t right = (int32_t) r.u32;
BIT_COND(cond, left, right);
} else if (T == nir_type_int16) {
int16_t left = (int16_t) l.u32;
int16_t right = (int16_t) r.u32;
BIT_COND(cond, left, right);
} else if (T == nir_type_uint32) {
BIT_COND(cond, l.u32, r.u32);
} else if (T == nir_type_uint16) {
BIT_COND(cond, l.u16[c], r.u16[c]);
} else {
unreachable("Unknown type evaluated");
}
}
void
bit_step(struct bit_state *s, bi_instruction *ins, bool FMA)
{
......@@ -251,9 +286,17 @@ bit_step(struct bit_state *s, bi_instruction *ins, bool FMA)
case BI_CMP:
case BI_BITWISE:
case BI_CONVERT:
case BI_CSEL:
unreachable("Unsupported op");
case BI_CSEL: {
bool direct = ins->csel_cond == BI_COND_ALWAYS;
bool cond = direct ? srcs[0].u32 :
bit_eval_cond(ins->csel_cond, srcs[0], srcs[1], ins->src_types[0], 0);
dest = cond ? srcs[2] : srcs[3];
break;
}
case BI_FMA: {
bfloat(bit_f64fma, bit_f32fma);
unreachable("Unknown type");
......
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