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[binutils-gdb] ppc64: Fix stwux encoding
- From: sergiodj+buildbot at sergiodj dot net
- To: gdb-testers at sourceware dot org
- Date: Mon, 05 Feb 2018 14:45:55 -0500
- Subject: [binutils-gdb] ppc64: Fix stwux encoding
- Authentication-results: sourceware.org; auth=none
*** TEST RESULTS FOR COMMIT 72dd27306224497c8ba97f391d30b774d4d973fb ***
Author: Jan Kratochvil <jan.kratochvil@redhat.com>
Branch: master
Commit: 72dd27306224497c8ba97f391d30b774d4d973fb
ppc64: Fix stwux encoding
With gcc-8.0.1-0.9.fc28.x86_64 I get:
../../gdb/rs6000-tdep.c: In function 'CORE_ADDR skip_prologue(gdbarch*, CORE_ADDR, CORE_ADDR, rs6000_framedata*)':
../../gdb/rs6000-tdep.c:1911:34: error: bitwise comparison always evaluates to false [-Werror=tautological-compare]
else if ((op & 0xfc1f016a) == 0x7c01016e)
~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
https://www.ibm.com/support/knowledgecenter/en/ssw_aix_72/com.ibm.aix.alangref/idalangref_stwux_stux_instrs.htm
says
bit 21 - 30 = 183
Those are bits 1..10 in normal bit order: 183<<1 = 0x16e
gdb/ChangeLog
2018-02-04 Jan Kratochvil <jan.kratochvil@redhat.com>
* rs6000-tdep.c (skip_prologue): Fix stwux encoding.
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