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-rw-r--r--sim/sh/ChangeLog5
-rw-r--r--sim/sh/gencode.c4
2 files changed, 7 insertions, 2 deletions
diff --git a/sim/sh/ChangeLog b/sim/sh/ChangeLog
index 549e499..10b4ae2 100644
--- a/sim/sh/ChangeLog
+++ b/sim/sh/ChangeLog
@@ -1,3 +1,8 @@
+2004-08-18 J"orn Rennecke <joern.rennecke@superh.com>
+
+ * gencode.c (tab): For shad snd shld, fix result for
+ (op1 < 0 && shift_amount == 0).
+
2004-02-02 Michael Snyder <msnyder@redhat.com>
* gencode.c (movua.l): Set thislock to 0, not n.
diff --git a/sim/sh/gencode.c b/sim/sh/gencode.c
index 3347591..155138a 100644
--- a/sim/sh/gencode.c
+++ b/sim/sh/gencode.c
@@ -1054,7 +1054,7 @@ op tab[] =
},
{ "n", "mn", "shad <REG_M>,<REG_N>", "0100nnnnmmmm1100",
- "R[n] = (R[m] < 0) ? (R[n] >> ((-R[m])&0x1f)) : (R[n] << (R[m] & 0x1f));",
+ "R[n] = (R[m] < 0) ? (R[m]&0x1f ? R[n] >> ((-R[m])&0x1f) : R[n] >> 31) : (R[n] << (R[m] & 0x1f));",
},
{ "n", "n", "shal <REG_N>", "0100nnnn00100000",
@@ -1068,7 +1068,7 @@ op tab[] =
},
{ "n", "mn", "shld <REG_M>,<REG_N>", "0100nnnnmmmm1101",
- "R[n] = (R[m] < 0) ? (UR[n] >> ((-R[m])&0x1f)): (R[n] << (R[m] & 0x1f));",
+ "R[n] = (R[m] < 0) ? (R[m]&0x1f ? UR[n] >> ((-R[m])&0x1f) : 0): (R[n] << (R[m] & 0x1f));",
},
{ "n", "n", "shll <REG_N>", "0100nnnn00000000",