@@ -37,6 +37,7 @@
typedef enum {
TCG_CALL_RET_NORMAL, /* by registers */
TCG_CALL_RET_BY_REF, /* for i128, by reference */
+ TCG_CALL_RET_BY_VEC, /* for i128, by vector register */
} TCGCallReturnKind;
typedef enum {
@@ -730,6 +730,10 @@ static void init_call_layout(TCGHelperInfo *info)
/* Query the last register now to trigger any assert early. */
tcg_target_call_oarg_reg(info->out_kind, info->nr_out - 1);
break;
+ case TCG_CALL_RET_BY_VEC:
+ /* Query the single register now to trigger any assert early. */
+ tcg_target_call_oarg_reg(TCG_CALL_RET_BY_VEC, 0);
+ break;
case TCG_CALL_RET_BY_REF:
/*
* Allocate the first argument to the output.
@@ -4598,6 +4602,21 @@ static void tcg_reg_alloc_call(TCGContext *s, TCGOp *op)
}
break;
+ case TCG_CALL_RET_BY_VEC:
+ {
+ TCGTemp *ts = arg_temp(op->args[0]);
+
+ tcg_debug_assert(ts->base_type == TCG_TYPE_I128);
+ tcg_debug_assert(ts->temp_subindex == 0);
+ if (!ts->mem_allocated) {
+ temp_allocate_frame(s, ts);
+ }
+ tcg_out_st(s, TCG_TYPE_V128,
+ tcg_target_call_oarg_reg(TCG_CALL_RET_BY_VEC, 0),
+ ts->mem_base->reg, ts->mem_offset);
+ }
+ /* fall through to mark all parts in memory */
+
case TCG_CALL_RET_BY_REF:
/* The callee has performed a write through the reference. */
for (i = 0; i < nb_oargs; i++) {
This will be used by _WIN64 to return i128. Not yet used, because allocation is not yet enabled. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- tcg/tcg-internal.h | 1 + tcg/tcg.c | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+)