On 6/14/21 2:31 AM, Philippe Mathieu-Daudé wrote:
On 6/14/21 10:37 AM, Richard Henderson wrote:
Merge tcg_out_bswap32 and tcg_out_bswap32s. Use the flags
in the internal uses for loads and stores.
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
tcg/mips/tcg-target.c.inc | 39 ++++++++++++++++-----------------------
1 file changed, 16 insertions(+), 23 deletions(-)
-static void tcg_out_bswap32(TCGContext *s, TCGReg ret, TCGReg arg)
+static void tcg_out_bswap32(TCGContext *s, TCGReg ret, TCGReg arg, int flags)
{
if (use_mips32r2_instructions) {
tcg_out_opc_reg(s, OPC_WSBH, ret, 0, arg);
tcg_out_opc_sa(s, OPC_ROTR, ret, ret, 16);
+ if (flags & TCG_BSWAP_OZ) {
+ tcg_out_opc_bf(s, OPC_DEXT, ret, ret, 31, 0);
Maybe mention the rotr -> ext32u mips32r2 simplification?
Oh, from dsbh + dshd + dsrl in the old bswap32u function?
Sure, I can do that.
r~
