diff options
Diffstat (limited to 'linearize.c')
| -rw-r--r-- | linearize.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/linearize.c b/linearize.c index 5a8e7497..1081bda8 100644 --- a/linearize.c +++ b/linearize.c @@ -244,6 +244,7 @@ static const char *opcodes[] = { /* Special three-input */ [OP_SEL] = "select", + [OP_FMADD] = "fmadd", /* Memory */ [OP_LOAD] = "load", @@ -461,6 +462,7 @@ const char *show_instruction(struct instruction *insn) break; case OP_SEL: + case OP_FMADD: buf += sprintf(buf, "%s <- %s, %s, %s", show_pseudo(insn->target), show_pseudo(insn->src1), show_pseudo(insn->src2), show_pseudo(insn->src3)); break; @@ -1511,8 +1513,11 @@ static pseudo_t linearize_call_expression(struct entrypoint *ep, struct expressi fntype = fn->ctype; // handle builtins - if (fntype->op && fntype->op->linearize) - return fntype->op->linearize(ep, expr); + if (fntype->op && fntype->op->linearize) { + retval = fntype->op->linearize(ep, expr); + if (retval) + return retval; + } ctype = &fntype->ctype; if (fntype->type == SYM_NODE) @@ -2580,6 +2585,23 @@ struct entrypoint *linearize_symbol(struct symbol *sym) * Builtin functions */ +static pseudo_t linearize_fma(struct entrypoint *ep, struct expression *expr) +{ + struct instruction *insn = alloc_typed_instruction(OP_FMADD, expr->ctype); + struct expression *arg; + + PREPARE_PTR_LIST(expr->args, arg); + insn->src1 = linearize_expression(ep, arg); + NEXT_PTR_LIST(arg) + insn->src2 = linearize_expression(ep, arg); + NEXT_PTR_LIST(arg) + insn->src3 = linearize_expression(ep, arg); + FINISH_PTR_LIST(arg); + + add_one_insn(ep, insn); + return insn->target = alloc_pseudo(insn); +} + static pseudo_t linearize_unreachable(struct entrypoint *ep, struct expression *exp) { add_unreachable(ep); @@ -2592,6 +2614,9 @@ static struct sym_init { struct symbol_op op; } builtins_table[] = { // must be declared in builtin.c:declare_builtins[] + { "__builtin_fma", linearize_fma }, + { "__builtin_fmaf", linearize_fma }, + { "__builtin_fmal", linearize_fma }, { "__builtin_unreachable", linearize_unreachable }, { } }; |