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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: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Stefan Weil 2013-09-12 21:13:11 +02:00
parent f828a4c8fa
commit d285bf784b
2 changed files with 9 additions and 2 deletions
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1
tcg/tci/tcg-target.c
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@ -670,7 +670,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
case INDEX_op_shl_i64:
case INDEX_op_shr_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_rotr_i64: /* Optional (TCG_TARGET_HAS_rot_i64). */
tcg_out_r(s, args[0]);

10
tci.c
View File

@ -952,8 +952,16 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
break;
#if TCG_TARGET_HAS_rot_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:
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;
#endif
#if TCG_TARGET_HAS_deposit_i64