diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2022-10-20 01:13:52 +1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-02-04 06:19:42 -1000 |
| commit | c6556aa0c8de8718813fea0ca61232632bf33c42 (patch) | |
| tree | b4fd98e4903e99b6eaef329a6e691a30034d177d /tcg | |
| parent | 5e3d0c199f4edf4ecdf8100464da441c60ce36e3 (diff) | |
| download | qemu-c6556aa0c8de8718813fea0ca61232632bf33c42.zip qemu-c6556aa0c8de8718813fea0ca61232632bf33c42.tar.gz qemu-c6556aa0c8de8718813fea0ca61232632bf33c42.tar.bz2 | |
tcg: Add TCG_CALL_RET_BY_VEC
This will be used by _WIN64 to return i128. Not yet used,
because allocation is not yet enabled.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/tcg-internal.h | 1 | ||||
| -rw-r--r-- | tcg/tcg.c | 19 |
2 files changed, 20 insertions, 0 deletions
diff --git a/tcg/tcg-internal.h b/tcg/tcg-internal.h index 2ec1ea0..33f1d8b 100644 --- a/tcg/tcg-internal.h +++ b/tcg/tcg-internal.h @@ -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 { @@ -752,6 +752,10 @@ 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. @@ -4605,6 +4609,21 @@ 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++) { |