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| author | Alan Modra <amodra@gmail.com> | 2019-12-11 16:45:14 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2019-12-11 21:14:19 +1030 |
| commit | 1d61b032265e69317f42e8019e072506f11890c5 (patch) | |
| tree | 226c023afd93046735bb928dc67d6490f8466e97 /opcodes/pdp11-dis.c | |
| parent | 13c9c48599ebc8ad2f3a1fb9f672740219cd3841 (diff) | |
| download | fsf-binutils-gdb-1d61b032265e69317f42e8019e072506f11890c5.zip fsf-binutils-gdb-1d61b032265e69317f42e8019e072506f11890c5.tar.gz fsf-binutils-gdb-1d61b032265e69317f42e8019e072506f11890c5.tar.bz2 | |
Remove more shifts for sign/zero extension
cpu/
* epiphany.cpu (f-sdisp11): Don't sign extend with shifts.
* lm32.cpu (f-branch, f-vall): Likewise.
* m32.cpu (f-lab-8-16): Likewise.
opcodes/
* arc-dis.c (BITS): Don't truncate high bits with shifts.
* nios2-dis.c (nios2_print_insn_arg): Don't sign extend with shifts.
* tic54x-dis.c (print_instruction): Likewise.
* tilegx-opc.c (parse_insn_tilegx): Likewise.
* tilepro-opc.c (parse_insn_tilepro): Likewise.
* visium-dis.c (disassem_class0): Likewise.
* pdp11-dis.c (sign_extend): Likewise.
(SIGN_BITS): Delete.
* epiphany-ibld.c: Regenerate.
* lm32-ibld.c: Regenerate.
* m32c-ibld.c: Regenerate.
Diffstat (limited to 'opcodes/pdp11-dis.c')
| -rw-r--r-- | opcodes/pdp11-dis.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/opcodes/pdp11-dis.c b/opcodes/pdp11-dis.c index e9708e6..a19fbc0 100644 --- a/opcodes/pdp11-dis.c +++ b/opcodes/pdp11-dis.c @@ -31,8 +31,7 @@ #define F info->stream /* Sign-extend a 16-bit number in an int. */ -#define SIGN_BITS (8 * sizeof (int) - 16) -#define sign_extend(x) (((x) << SIGN_BITS) >> SIGN_BITS) +#define sign_extend(x) ((((x) & 0xffff) ^ 0x8000) - 0x8000) static int read_word (bfd_vma memaddr, int *word, disassemble_info *info) |