| Commit message (Collapse) | Author | Age | Files | Lines |
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Just use CC_OP_EFLAGS; it is not that likely that the flags computed by
CC_OP_CLR survive the end of the basic block, in which case there is no
need to spill cc_op_src.
cc_op_src now does need spilling if the XOR is followed by a memory
operation, but this only costs 0.2% extra TCG ops. They will be recouped
by simplifications in how QEMU evaluates ZF at runtime, which are even
greater with this change.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Make const. Use the read-only strings directly; do not copy
them into an on-stack buffer with snprintf. Allow for holes
in the cc_op_str array, now present with CC_OP_POPCNT.
Fixes: 460231ad369 ("target/i386: give CC_OP_POPCNT low bits corresponding to MO_TL")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Link: https://lore.kernel.org/r/20240701025115.1265117-2-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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POPCNT was missing, and the entries were all out of order after
ADCX/ADOX/ADCOX were moved close to EFLAGS. Just use designated
initializers.
Fixes: 4885c3c4953 ("target-i386: Use ctpop helper", 2017-01-10)
Fixes: cc155f19717 ("target/i386: rewrite flags writeback for ADCX/ADOX", 2024-06-11)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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x86_cpu_dump_local_apic_state() is called from monitor.c which
is only compiled for system emulation since commit bf95728400
("monitor: remove target-specific code from monitor.c").
Interestingly this stub was added few weeks later in commit
1f871d49e3 ("hmp: added local apic dump state") and was not
necessary by that time.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221216220158.6317-5-philmd@linaro.org>
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I noticed -cpu help printing enough trailing spaces to make the output
at least 84 characters wide. Looks ugly unless the terminal is wider.
Ugly or not, trailing spaces are stupid.
The culprit is this line in x86_cpu_list_entry():
qemu_printf("x86 %-20s %-58s\n", name, desc);
This prints a string with minimum field left-justified right before a
newline. Change it to
qemu_printf("x86 %-20s %s\n", name, desc);
which avoids the trailing spaces and is simpler to boot.
A search for the pattern with "git-grep -E '%-[0-9]+s\\n'" found a few
more instances. Change them similarly.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Message-Id: <20211009152401.2982862-1-armbru@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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Since commit fa4518741e (target-i386: Rename struct XMMReg to ZMMReg),
CPUX86State.xmm_regs[] has already been extended to 512bit to support
AVX512.
Also, other qemu level supports for AVX512 registers are there for
years.
But in x86_cpu_dump_state(), still only dump XMM registers no matter
YMM/ZMM is enabled.
This patch is to complement this, let it dump XMM/YMM/ZMM accordingly.
Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1618986232-73826-1-git-send-email-robert.hu@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201212155530.23098-7-cfontana@suse.de>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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