https://sourceware.org/bugzilla/show_bug.cgi?id=22699
fenugrec at users dot sourceforge.net changed:
What |Removed |Added
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CC| |fenugrec at users dot
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--- Comment #1 from fenugrec at users dot sourceforge.net ---
Correct. To recap:
1) some opcodes need the sign-extended 8-bit immediate value:
- add #imm, Rn (OK)
- cmp/eq #imm, R0 (OK)
- mov #imm, Rn (OK)
2) others take the zero-extended imm8 :
- bitwise logic operators {and, and.b,...} : broken
- trapa : broken
3) some I haven't personally checked :
- ldrc / setrc
- other DSP , SH2A, SH4A opcodes
I would suggest reworking the relevant entries in opcodes/sh-opc.h (maybe
replace IMM0_8 by IMM0_8S and IMM0_8U to ensure every occurence is verified
manually; and add the proper handling in opcodes/sh-dis.c
Is there a regression test for this already ?
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