From: Laurent Vivier <laur...@vivier.eu>
This patch doesn't modify values inside operand "shift" and "offset",
instead copy them in a TCG temp.
Signed-off-by: Laurent Vivier <laur...@vivier.eu>
---
target-m68k/translate.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 4f2a5ee..e0c6fa3 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -2693,7 +2693,8 @@ static void bitfield_param(uint16_t ext, TCGv *offset,
TCGv *width, TCGv *mask)
/* offset */
if (ext & 0x0800) {
- *offset = DREG(ext, 6);
+ *offset = tcg_temp_new_i32();
+ tcg_gen_mov_i32(*offset, DREG(ext, 6));
} else {
*offset = tcg_temp_new_i32();
tcg_gen_movi_i32(*offset, (ext >> 6) & 31);
@@ -2702,8 +2703,8 @@ static void bitfield_param(uint16_t ext, TCGv *offset,
TCGv *width, TCGv *mask)
/* width */
if (ext & 0x0020) {
- *width = DREG(ext, 0);
- tcg_gen_subi_i32(*width, *width, 1);
+ *width = tcg_temp_new_i32();
+ tcg_gen_subi_i32(*width, DREG(ext, 0), 1);
tcg_gen_andi_i32(*width, *width, 31);
tcg_gen_addi_i32(*width, *width, 1);
} else {
--
1.7.2.3
