diff options
| -rw-r--r-- | src/compiler/nir/nir_opt_minimize_boolean.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_minimize_boolean.c b/src/compiler/nir/nir_opt_minimize_boolean.c index 1366f68d5cc..f7d337961f7 100644 --- a/src/compiler/nir/nir_opt_minimize_boolean.c +++ b/src/compiler/nir/nir_opt_minimize_boolean.c @@ -31,6 +31,36 @@ #define MAX_VARS 8 #define MAX_TERMS (1u << MAX_VARS) +//#define DUMP_EXPRESSIONS +#ifdef DUMP_EXPRESSIONS +static void +print_logic_expression(const nir_src *src, + const struct boolean_match_state *state) +{ + for (unsigned i = 0; i < state->num_variables; i++) { + if (state->variables[i].ssa == src->ssa) { + printf(" "); + nir_print_instr(src->ssa->parent_instr, stdout); + printf("\n"); + return; + } + } + + const struct nir_instr *const instr = src->ssa->parent_instr; + + if (instr->type == nir_instr_type_alu) { + const struct nir_alu_instr *const alu_instr = nir_instr_as_alu(instr); + + for (unsigned i = 0; i < nir_op_infos[alu_instr->op].num_inputs; i++) + print_logic_expression(&alu_instr->src[i].src, state); + } + + printf(" "); + nir_print_instr(instr, stdout); + printf("\n"); +} +#endif + struct implicant { union { uint8_t *term_ptr; |