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authorDavid Daney2022-10-14 13:23:22 +0200
committerPhilippe Mathieu-Daudé2022-10-31 11:32:07 +0100
commita6d89b454cec2de235595ea311d3cc3c49c3aaaa (patch)
tree390ce98002871c64b12abe9596f9ac3455486ed1 /pc-bios/bamboo.dts
parentdisas/nanomips: Rename nanomips.cpp to nanomips.c (diff)
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disas/mips: Fix branch displacement for BEQZC and BNEZC
disas/mips.c got added in commit 6643d27ea0 ("MIPS disas support") apparently based on binutils tag 'gdb_6_1-branchpoint' [1]. Back then, MIPSr6 was not supported (added in binutils commit 7361da2c952 during 2014 [2]). Binutils codebase diverged so much over the last 18 years, it is not possible to simply cherry-pick their changes, so fix it BEQZC / BNEZC 21-bit signed branch displacement locally. [1] https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=opcodes/mips-dis.c;hb=refs/tags/gdb_6_1-branchpoint [2] https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=7361da2c952 Fixes: 31837be3ee ("target-mips: add compact and CP1 branches") Signed-off-by: David Daney <david.daney@fungible.com> Reviewed-by: Marcin Nowakowski <marcin.nowakowski@fungible.com> [PMD: Added commit description] Signed-off-by: Philippe Mathieu-Daudé <philmd@fungible.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20221014112322.61119-1-philmd@fungible.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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