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b62b368627
xemu/target/ppc
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pbonzini@redhat.com b62b368627 target-ppc: optimize cmp translation 
We know that only one bit (in addition to SO) is going to be set in
the condition register, so do two movconds instead of three setconds,
three shifts and two ORs.

For ppc64-linux-user, the code size reduction is around 5% and the
performance improvement slightly less than 10%.  For softmmu, the
improvement is around 5%.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-01-20 17:15:05 +11:00
..
translate target/ppc: optimize various functions using extract op 2017-07-19 14:45:16 -07:00
arch_dump.c exec,dump,i386,ppc,s390x: don't include exec/cpu-all.h explicitly 2017-09-19 18:21:33 +02:00
compat.c target/ppc: Clarify compat mode max_threads value 2018-01-17 09:35:24 +11:00
cpu-models.c target/ppc: Add POWER9 DD2.0 model information 2017-10-17 10:34:00 +11:00
cpu-models.h target/ppc: Add POWER9 DD2.0 model information 2017-10-17 10:34:00 +11:00
cpu-qom.h pcc: define the Power-saving mode Exit Cause Enable bits in PowerPCCPUClass 2017-12-15 09:49:23 +11:00
cpu.c target/ppc: support for 32-bit carry and overflow 2017-03-01 11:23:39 +11:00
cpu.h target/ppc: fix doorbell and hypervisor doorbell definitions 2018-01-20 17:15:05 +11:00
dfp_helper.c Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
excp_helper.c target/ppc: add support for POWER9 HILE 2018-01-17 09:35:24 +11:00
fpu_helper.c target/ppc: use helper for excp handling 2017-03-06 13:17:28 +11:00
gdbstub.c Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
helper_regs.h target/ppc: Fix system lockups caused by interrupt_request state corruption 2017-12-05 12:28:42 +11:00
helper.h target/ppc: Flush TLB on write to PIDR 2017-04-26 12:41:56 +10:00
int_helper.c target/ppc: more use of the PPC_*() macros 2018-01-10 12:53:00 +11:00
internal.h target-ppc: implement load atomic instruction 2017-02-22 11:28:27 +11:00
kvm_ppc.h target/ppc: Clean up probing of VMX, VSX and DFP availability on KVM 2018-01-17 09:35:24 +11:00
kvm-stub.c Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
kvm.c target/ppc: Clean up probing of VMX, VSX and DFP availability on KVM 2018-01-17 09:35:24 +11:00
machine.c target-ppc: Don't invalidate non-supported msr bits 2017-11-30 14:56:42 +11:00
Makefile.objs build: remove CONFIG_LIBDECNUMBER 2017-10-16 18:03:52 +02:00
mem_helper.c ppc: use DIV_ROUND_UP 2017-08-31 12:29:07 +02:00
mfrom_table_gen.c Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
mfrom_table.c Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
misc_helper.c target/ppc: Flush TLB on write to PIDR 2017-04-26 12:41:56 +10:00
mmu_helper.c target-ppc: Fix booke206 tlbwe TLB instruction 2018-01-17 09:35:24 +11:00
mmu-book3s-v3.c target/ppc: Implement ISA V3.00 radix page fault handler 2017-05-11 09:45:15 +10:00
mmu-book3s-v3.h target/ppc: Implement ISA V3.00 radix page fault handler 2017-05-11 09:45:15 +10:00
mmu-hash32.c target/ppc: Eliminate htab_base and htab_mask variables 2017-03-01 11:23:39 +11:00
mmu-hash32.h target/ppc: Manage external HPT via virtual hypervisor 2017-03-01 11:23:39 +11:00
mmu-hash64.c spapr: Small cleanup of PPC MMU enums 2017-03-03 11:30:59 +11:00
mmu-hash64.h pseries: Implement HPT resizing 2017-07-17 15:07:05 +10:00
mmu-radix64.c target/ppc: Add debug function for radix mmu translation 2017-07-11 11:04:02 +10:00
mmu-radix64.h target/ppc: Add debug function for radix mmu translation 2017-07-11 11:04:02 +10:00
monitor.c Use qemu_tolower() and qemu_toupper(), not tolower() and toupper() 2017-07-21 10:32:41 +01:00
timebase_helper.c Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
trace-events docs: fix broken paths to docs/devel/tracing.txt 2017-07-31 13:12:53 +03:00
translate_init.c spapr/rtas: disable the decrementer interrupt when a CPU is unplugged 2017-12-15 09:49:24 +11:00
translate.c target-ppc: optimize cmp translation 2018-01-20 17:15:05 +11:00
user_only_helper.c Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00