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