提交 d285bf78 编写于 作者: S Stefan Weil

tci: Add implementation of rotl_i64, rotr_i64

It is used by qemu-ppc64 when running Debian's busybox-static.

Cc: qemu-stable <qemu-stable@nongnu.org>
Signed-off-by: NStefan Weil <sw@weilnetz.de>
Reviewed-by: NRichard Henderson <rth@twiddle.net>
上级 f828a4c8
...@@ -670,7 +670,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, ...@@ -670,7 +670,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
case INDEX_op_shl_i64: case INDEX_op_shl_i64:
case INDEX_op_shr_i64: case INDEX_op_shr_i64:
case INDEX_op_sar_i64: case INDEX_op_sar_i64:
/* TODO: Implementation of rotl_i64, rotr_i64 missing in tci.c. */
case INDEX_op_rotl_i64: /* Optional (TCG_TARGET_HAS_rot_i64). */ case INDEX_op_rotl_i64: /* Optional (TCG_TARGET_HAS_rot_i64). */
case INDEX_op_rotr_i64: /* Optional (TCG_TARGET_HAS_rot_i64). */ case INDEX_op_rotr_i64: /* Optional (TCG_TARGET_HAS_rot_i64). */
tcg_out_r(s, args[0]); tcg_out_r(s, args[0]);
......
...@@ -952,8 +952,16 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr) ...@@ -952,8 +952,16 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
break; break;
#if TCG_TARGET_HAS_rot_i64 #if TCG_TARGET_HAS_rot_i64
case INDEX_op_rotl_i64: case INDEX_op_rotl_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, (t1 << t2) | (t1 >> (64 - t2)));
break;
case INDEX_op_rotr_i64: case INDEX_op_rotr_i64:
TODO(); t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, (t1 >> t2) | (t1 << (64 - t2)));
break; break;
#endif #endif
#if TCG_TARGET_HAS_deposit_i64 #if TCG_TARGET_HAS_deposit_i64
......
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