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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 /cpu/m32c.cpu | |
| parent | 13c9c48599ebc8ad2f3a1fb9f672740219cd3841 (diff) | |
| download | binutils-gdb-1d61b032265e69317f42e8019e072506f11890c5.tar.gz | |
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 'cpu/m32c.cpu')
| -rw-r--r-- | cpu/m32c.cpu | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/cpu/m32c.cpu b/cpu/m32c.cpu index bcc36161f7c..5a38f1bd526 100644 --- a/cpu/m32c.cpu +++ b/cpu/m32c.cpu @@ -956,9 +956,12 @@ ) (df f-lab-8-16 "16 bit pc relative signed offset" (PCREL-ADDR SIGN-OPT all-isas) 8 16 UINT ((value pc) (or SI (sll (and (sub value (add pc 1)) #xff) 8) - (srl (and (sub value (add pc 1)) #xffff) 8))) - ((value pc) (add SI (or (srl (and value #xffff) 8) - (sra (sll (and value #xff) 24) 16)) (add pc 1))) + (srl (and (sub value (add pc 1)) #xff00) 8))) + ((value pc) (add SI (sub (xor (or (srl (and value #xff00) 8) + (sll (and value #xff) 8)) + #x8000) + #x8000) + (add pc 1))) ) (df f-lab-8-24 "24 bit absolute" (all-isas ABS-ADDR) 8 24 UINT ((value pc) (or SI |