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From: "Igor V. Kovalenko" <igor.v.kovalenko@gmail.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH 7/8] sparc64: fix udiv and sdiv insns
Date: Wed, 02 Jun 2010 00:12:53 +0400	[thread overview]
Message-ID: <20100601201253.5908.41570.stgit@skyserv> (raw)
In-Reply-To: <20100601200434.5908.19495.stgit@skyserv>

From: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>

- truncate second operand to 32bit

Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
---
 target-sparc/op_helper.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index 83067ae..4c5155f 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -3307,7 +3307,7 @@ target_ulong helper_udiv(target_ulong a, target_ulong b)
     uint32_t x1;
 
     x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
-    x1 = b;
+    x1 = (b & 0xffffffff);
 
     if (x1 == 0) {
         raise_exception(TT_DIV_ZERO);
@@ -3329,7 +3329,7 @@ target_ulong helper_sdiv(target_ulong a, target_ulong b)
     int32_t x1;
 
     x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
-    x1 = b;
+    x1 = (b & 0xffffffff);
 
     if (x1 == 0) {
         raise_exception(TT_DIV_ZERO);

  parent reply	other threads:[~2010-06-01 20:13 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-01 20:12 [Qemu-devel] [PATCH 0/8] sparc64 fixes Igor V. Kovalenko
2010-06-01 20:12 ` [Qemu-devel] [PATCH 1/8] sparc64: fix tag access register on mmu traps Igor V. Kovalenko
2010-06-01 20:12 ` [Qemu-devel] [PATCH 2/8] sparc64: fix missing address masking Igor V. Kovalenko
2010-06-01 20:44   ` Richard Henderson
2010-06-02  4:29     ` Igor Kovalenko
2010-06-02 13:47       ` Richard Henderson
2010-06-02 16:10         ` Blue Swirl
2010-06-02 16:46           ` Andreas Färber
2010-06-02 18:21             ` Igor Kovalenko
2010-06-02 19:20         ` Igor Kovalenko
2010-06-01 20:12 ` [Qemu-devel] [PATCH 3/8] sparc64: fix 32bit load sign extension Igor V. Kovalenko
2010-06-03 13:18   ` [Qemu-devel] " Paolo Bonzini
2010-06-03 15:25     ` Alexander Graf
2010-06-03 15:42       ` Paolo Bonzini
2010-06-03 19:59         ` Igor Kovalenko
2010-06-04  7:53           ` Paolo Bonzini
2010-06-04 10:18             ` Paolo Bonzini
2010-06-04 14:27               ` [Qemu-devel] [PATCH] target-i386: fix decoding of negative 4-byte displacements Paolo Bonzini
2010-06-04 16:23                 ` Richard Henderson
2010-06-04 20:03                   ` Blue Swirl
2010-06-01 20:12 ` [Qemu-devel] [PATCH 4/8] sparc64: fix ldxfsr insn Igor V. Kovalenko
2010-06-01 20:12 ` [Qemu-devel] [PATCH 5/8] sparc64: use symbolic name for MMU index Igor V. Kovalenko
2010-06-02 16:16   ` Blue Swirl
2010-06-02 18:45     ` Igor Kovalenko
2010-06-01 20:12 ` [Qemu-devel] [PATCH 6/8] sparc64: improve ldf and stf insns Igor V. Kovalenko
2010-06-01 20:12 ` Igor V. Kovalenko [this message]
2010-06-01 20:12 ` [Qemu-devel] [PATCH 8/8] sparc64: fix umul and smul insns Igor V. Kovalenko
2010-06-02 20:27 ` [Qemu-devel] [PATCH 0/8] sparc64 fixes Blue Swirl

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