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authorj_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162>2007-09-27 01:32:19 +0000
committerj_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162>2007-09-27 01:32:19 +0000
commit40d0591e2c4922f545ebf1c9a3bd89e73e8428b4 (patch)
tree7a745b2c34aacfc225b34eacfe7c2504fba95cd1 /target-ppc
parent92a343da3f50db3130f988b14650eb09e9748d11 (diff)
Fixes for PowerPC 64 rotate and mask instructions.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3247 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc')
-rw-r--r--target-ppc/op.c15
-rw-r--r--target-ppc/translate.c30
2 files changed, 38 insertions, 7 deletions
diff --git a/target-ppc/op.c b/target-ppc/op.c
index 93c463e30f..976eb53046 100644
--- a/target-ppc/op.c
+++ b/target-ppc/op.c
@@ -1353,6 +1353,21 @@ void OPPROTO op_andi_T1 (void)
RETURN();
}
+#if defined(TARGET_PPC64)
+void OPPROTO op_andi_T0_64 (void)
+{
+ T0 &= ((uint64_t)PARAM1 << 32) | PARAM2;
+ RETURN();
+}
+
+void OPPROTO op_andi_T1_64 (void)
+{
+ T1 &= ((uint64_t)PARAM1 << 32) | PARAM2;
+ RETURN();
+}
+#endif
+
+
/* count leading zero */
void OPPROTO op_cntlzw (void)
{
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 4d98ea90be..50c01cace8 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -1339,6 +1339,22 @@ GEN_HANDLER(name##3, opc1, opc2 | 0x11, 0xFF, 0x00000000, PPC_64B) \
gen_##name(ctx, 1, 1); \
}
+static inline void gen_andi_T0_64 (DisasContext *ctx, uint64_t mask)
+{
+ if (mask >> 32)
+ gen_op_andi_T0_64(mask >> 32, mask & 0xFFFFFFFF);
+ else
+ gen_op_andi_T0(mask);
+}
+
+static inline void gen_andi_T1_64 (DisasContext *ctx, uint64_t mask)
+{
+ if (mask >> 32)
+ gen_op_andi_T1_64(mask >> 32, mask & 0xFFFFFFFF);
+ else
+ gen_op_andi_T1(mask);
+}
+
static inline void gen_rldinm (DisasContext *ctx, uint32_t mb, uint32_t me,
uint32_t sh)
{
@@ -1348,7 +1364,7 @@ static inline void gen_rldinm (DisasContext *ctx, uint32_t mb, uint32_t me,
}
if (likely(mb == 0)) {
if (likely(me == 63)) {
- gen_op_rotli32_T0(sh);
+ gen_op_rotli64_T0(sh);
goto do_store;
} else if (likely(me == (63 - sh))) {
gen_op_sli_T0(sh);
@@ -1356,13 +1372,13 @@ static inline void gen_rldinm (DisasContext *ctx, uint32_t mb, uint32_t me,
}
} else if (likely(me == 63)) {
if (likely(sh == (64 - mb))) {
- gen_op_srli_T0(mb);
+ gen_op_srli_T0_64(mb);
goto do_store;
}
}
gen_op_rotli64_T0(sh);
do_mask:
- gen_op_andi_T0(MASK(mb, me));
+ gen_andi_T0_64(ctx, MASK(mb, me));
do_store:
gen_op_store_T0_gpr(rA(ctx->opcode));
if (unlikely(Rc(ctx->opcode) != 0))
@@ -1405,7 +1421,7 @@ static inline void gen_rldnm (DisasContext *ctx, uint32_t mb, uint32_t me)
gen_op_load_gpr_T1(rB(ctx->opcode));
gen_op_rotl64_T0_T1();
if (unlikely(mb != 0 || me != 63)) {
- gen_op_andi_T0(MASK(mb, me));
+ gen_andi_T0_64(ctx, MASK(mb, me));
}
gen_op_store_T0_gpr(rA(ctx->opcode));
if (unlikely(Rc(ctx->opcode) != 0))
@@ -1452,11 +1468,11 @@ static inline void gen_rldimi (DisasContext *ctx, int mbn, int shn)
}
gen_op_load_gpr_T0(rS(ctx->opcode));
gen_op_load_gpr_T1(rA(ctx->opcode));
- gen_op_rotli64_T0(SH(ctx->opcode));
+ gen_op_rotli64_T0(sh);
do_mask:
mask = MASK(mb, 63 - sh);
- gen_op_andi_T0(mask);
- gen_op_andi_T1(~mask);
+ gen_andi_T0_64(ctx, mask);
+ gen_andi_T1_64(ctx, ~mask);
gen_op_or();
do_store:
gen_op_store_T0_gpr(rA(ctx->opcode));