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[Qemu-devel] [PATCH 06/32] tci: Add implementation of rotl_i64, rotr_i64
From: |
Michael Roth |
Subject: |
[Qemu-devel] [PATCH 06/32] tci: Add implementation of rotl_i64, rotr_i64 |
Date: |
Wed, 4 Dec 2013 08:34:13 -0600 |
From: Stefan Weil <address@hidden>
It is used by qemu-ppc64 when running Debian's busybox-static.
Cc: qemu-stable <address@hidden>
Signed-off-by: Stefan Weil <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
(cherry picked from commit d285bf784b6234e994ce73c05c82c9fb6429df00)
Signed-off-by: Michael Roth <address@hidden>
---
tcg/tci/tcg-target.c | 1 -
tci.c | 10 +++++++++-
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/tcg/tci/tcg-target.c b/tcg/tci/tcg-target.c
index e118bc7..7f86a7f 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 af58576..b09ad25 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
--
1.7.9.5
- [Qemu-devel] Patch Round-up for stable 1.6.2, freeze on 2013-12-06, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 04/32] tests: Fix schema parser test for in-tree build, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 01/32] char: move backends' io watch tag to CharDriverState, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 05/32] tests: Update .gitignore for test-int128 and test-bitops, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 03/32] char: remove watch callback on chardev detach from frontend, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 02/32] char: use common function to disable callbacks on chardev close, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 07/32] bitops: Add rotate functions (rol8, ror8, ...), Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 06/32] tci: Add implementation of rotl_i64, rotr_i64,
Michael Roth <=
- [Qemu-devel] [PATCH 09/32] qemu-char: Fix potential out of bounds access to local arrays, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 10/32] xen_disk: mark ioreq as mapped before unmapping in error case, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 08/32] misc: Use new rotate functions, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 12/32] audio: honor QEMU_AUDIO_TIMER_PERIOD instead of waking up every *nano* second, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 30/32] qdev-monitor: Unref device when device_add fails, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 31/32] pci: unregister vmstate_pcibus on unplug, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 32/32] rng-egd: offset the point when repeatedly read from the buffer, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 29/32] qdev-monitor: Fix crash when device_add is called with abstract driver, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 26/32] vfio-pci: Fix multifunction=on, Michael Roth, 2013/12/04
- [Qemu-devel] [PATCH 28/32] qom: Fix memory leak in object_property_set_link(), Michael Roth, 2013/12/04