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* [dpdk-users] event/octeontx: add event timer adapter driver
@ 2018-04-22 16:03 Ali Alnubani
  0 siblings, 0 replies; only message in thread
From: Ali Alnubani @ 2018-04-22 16:03 UTC (permalink / raw)
  To: 'pbhagavatula@caviumnetworks.com'
  Cc: 'dev@dpdk.org', 'users@dpdk.org',
	Thomas Monjalon, Shahaf Shuler, Raslan Darawsheh

Hi Pavan,

The patchset http://dpdk.org/ml/archives/dev/2018-April/094928.html is causing a compilation error on QUALCOMM ARM with RHEL7.5 and gcc version 4.8.5:

"""
/download/dpdk-next-net-mlx/drivers/event/octeontx/timvf_worker.c: In function 'timvf_timer_arm_burst_sp':
/download/dpdk-next-net-mlx/drivers/event/octeontx/timvf_worker.c:89:1: error: could not split insn
}
^
(insn 95 98 99 (parallel [
            (set (reg:DI 0 x0 [orig:98 D.8130 ] [98])
                (mem/v:DI (reg/f:DI 21 x21 [orig:88 D.8136 ] [88]) [-1  S8 A64]))
            (set (mem/v:DI (reg/f:DI 21 x21 [orig:88 D.8136 ] [88]) [-1  S8 A64])
                (unspec_volatile:DI [
                        (plus:DI (mem/v:DI (reg/f:DI 21 x21 [orig:88 D.8136 ] [88]) [-1  S8 A64])
                            (const_int -281474976710656 [0xffff000000000000]))
                        (const_int 0 [0])
                    ] UNSPECV_ATOMIC_OP))
            (clobber (reg:CC 66 cc))
            (clobber (reg:DI 1 x1))
            (clobber (reg:SI 2 x2))
        ]) /download/dpdk-next-net-mlx/drivers/event/octeontx/timvf_worker.h:95 1832 {atomic_fetch_adddi}
     (expr_list:REG_UNUSED (reg:CC 66 cc)
        (expr_list:REG_UNUSED (reg:SI 2 x2)
            (expr_list:REG_UNUSED (reg:DI 1 x1)
                (nil)))))
/download/dpdk-next-net-mlx/drivers/event/octeontx/timvf_worker.c:89:1: internal compiler error: in final_scan_insn, at final.c:2897
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugzilla.redhat.com/bugzilla> for instructions.
  PMDINFO opdl_evdev.o.pmd.c
  CC opdl_evdev.o.pmd.o
  LD opdl_evdev.o
  PMDINFO sw_evdev.o.pmd.c
  CC sw_evdev.o.pmd.o
  LD sw_evdev.o
Preprocessed source stored into /tmp/ccmqxmH7.out file, please attach this to your bugreport.
make[6]: *** [timvf_worker.o] Error 1
make[5]: *** [octeontx] Error 2
make[5]: *** Waiting for unfinished jobs....
  AR librte_pmd_opdl_event.a
  INSTALL-LIB librte_pmd_opdl_event.a
  AR librte_pmd_sw_event.a
  INSTALL-LIB librte_pmd_sw_event.a
make[4]: *** [event] Error 2
make[3]: *** [drivers] Error 2
make[2]: *** [all] Error 2
make[1]: *** [pre_install] Error 2
make: *** [install] Error
"""

The compilation only passes with CONFIG_RTE_LIBRTE_OCTEONTX_PMD, CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF and CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL set to false.
It also passes if I upgrade gcc, but can we have a fix for old gcc versions?

Thanks,
Ali

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