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authorStefan Weil <sw@weilnetz.de>2013-09-12 21:13:11 +0200
committerMichael Roth <mdroth@linux.vnet.ibm.com>2013-12-02 21:30:40 -0600
commit2c342444a0938a064d2a24e0c6ef28cce4737524 (patch)
tree8fa275e98665f0f9f1fe3fcad96987d74f4f4c2f
parent98384a92cce4b090c6fad734bbc7a9572c246201 (diff)
downloadqemu-2c342444a0938a064d2a24e0c6ef28cce4737524.tar.gz
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> (cherry picked from commit d285bf784b6234e994ce73c05c82c9fb6429df00) Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
-rw-r--r--tcg/tci/tcg-target.c1
-rw-r--r--tci.c10
2 files changed, 9 insertions, 2 deletions
diff --git a/tcg/tci/tcg-target.c b/tcg/tci/tcg-target.c
index e118bc7179..7f86a7ff33 100644
--- a/tcg/tci/tcg-target.c
+++ b/tcg/tci/tcg-target.c
@@ -677,7 +677,6 @@ 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]);
diff --git a/tci.c b/tci.c
index af58576a2c..b09ad256c3 100644
--- a/tci.c
+++ b/tci.c
@@ -952,8 +952,16 @@ tcg_target_ulong 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