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authorBastian Koppelmann <kbastian@mail.uni-paderborn.de>2014-12-03 17:40:21 +0000
committerBastian Koppelmann <kbastian@mail.uni-paderborn.de>2014-12-21 18:35:38 +0000
commit436d63ff3e3f87cda3e8df35827a40093cc17430 (patch)
tree62ecb383161ebf03bd775288046fb30836269aa0 /target-tricore
parentb5fd8fa34594da327e2965a8c3b5dddf21f862ff (diff)
target-tricore: Fix MFCR/MTCR insn and B format offset.
Fix gen_mtcr using wrong register. Fix gen_mtcr/mfcr using sign extended offsets. Fix B format insn using not sign extendend offsets. Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Reviewed-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-tricore')
-rw-r--r--target-tricore/translate.c6
-rw-r--r--target-tricore/tricore-opcodes.h2
2 files changed, 6 insertions, 2 deletions
diff --git a/target-tricore/translate.c b/target-tricore/translate.c
index ecb2399ccd..bd35c299cf 100644
--- a/target-tricore/translate.c
+++ b/target-tricore/translate.c
@@ -3939,6 +3939,7 @@ static void decode_rlc_opc(CPUTriCoreState *env, DisasContext *ctx,
tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r1], const16 << 16);
break;
case OPC1_32_RLC_MFCR:
+ const16 = MASK_OP_RLC_CONST16(ctx->opcode);
gen_mfcr(env, cpu_gpr_d[r2], const16);
break;
case OPC1_32_RLC_MOV:
@@ -3966,7 +3967,8 @@ static void decode_rlc_opc(CPUTriCoreState *env, DisasContext *ctx,
tcg_gen_movi_tl(cpu_gpr_a[r2], const16 << 16);
break;
case OPC1_32_RLC_MTCR:
- gen_mtcr(env, ctx, cpu_gpr_d[r2], const16);
+ const16 = MASK_OP_RLC_CONST16(ctx->opcode);
+ gen_mtcr(env, ctx, cpu_gpr_d[r1], const16);
break;
}
}
@@ -4670,7 +4672,7 @@ static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx)
case OPC1_32_B_JA:
case OPC1_32_B_JL:
case OPC1_32_B_JLA:
- address = MASK_OP_B_DISP24(ctx->opcode);
+ address = MASK_OP_B_DISP24_SEXT(ctx->opcode);
gen_compute_branch(ctx, op1, 0, 0, 0, address);
break;
/* Bit-format */
diff --git a/target-tricore/tricore-opcodes.h b/target-tricore/tricore-opcodes.h
index afc22883e0..919063e422 100644
--- a/target-tricore/tricore-opcodes.h
+++ b/target-tricore/tricore-opcodes.h
@@ -94,6 +94,8 @@
/* B Format */
#define MASK_OP_B_DISP24(op) (MASK_BITS_SHIFT(op, 16, 31) + \
(MASK_BITS_SHIFT(op, 8, 15) << 16))
+#define MASK_OP_B_DISP24_SEXT(op) (MASK_BITS_SHIFT(op, 16, 31) + \
+ (MASK_BITS_SHIFT_SEXT(op, 8, 15) << 16))
/* BIT Format */
#define MASK_OP_BIT_D(op) MASK_BITS_SHIFT(op, 28, 31)
#define MASK_OP_BIT_POS2(op) MASK_BITS_SHIFT(op, 23, 27)