https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87163
--- Comment #12 from Bill Seurer <seurer at linux dot vnet.ibm.com> ---
confgures are identical.
Default compiler options are also identical, from -Q --help=target:
The following options are target specific:
-G<number> 0
-m32 [disabled]
-m64 [enabled]
-mabi=altivec [disabled]
-mabi=d32 [enabled]
-mabi=d64 [disabled]
-mabi=elfv1 [disabled]
-mabi=elfv2 [disabled]
-mabi=ibmlongdouble [enabled]
-mabi=ieeelongdouble [disabled]
-mabi=no-altivec [enabled]
-mads [disabled]
-maix-struct-return [disabled]
-malign- power
-malign-branch-targets [enabled]
-mallow-movmisalign [enabled]
-maltivec [enabled]
-malways-hint [enabled]
-mavoid-indexed-addresses [enabled]
-mbig [disabled]
-mbig-endian [disabled]
-mbionic [disabled]
-mbit-align [disabled]
-mbit-word [disabled]
-mblock-compare-inline-limit= 63
-mblock-compare-inline-loop-limit= -1
-mblock-move-inline-limit= 0
-mbss-plt [enabled]
-mcall-ABI
-mcmodel= small
-mcmpb [enabled]
-mcompat-align-parm [disabled]
-mcpu= [default]
-mcrypto [enabled]
-mdebug=
-mdirect-move [enabled]
-mdlmzb [disabled]
-meabi [disabled]
-mefficient-unaligned-vsx [enabled]
-memb [disabled]
-mfloat128 [disabled]
-mfloat128-convert [disabled]
-mfloat128-hardware [disabled]
-mfold-gimple [enabled]
-mfp-in-toc [enabled]
-mfprnd [enabled]
-mfriz [enabled]
-mfull-toc [disabled]
-mfused-madd -ffp-contract=fast
-mfuture [disabled]
-mgen-cell-microcode [ignored]
-mglibc [enabled]
-mgnu-attribute [enabled]
-mhard-dfp [enabled]
-mhard-float [enabled]
-mhtm [enabled]
-minsert-sched-nops=
-misel [disabled]
-mlittle [enabled]
-mlittle-endian [enabled]
-mlong-double- 0
-mlongcall [disabled]
-mlra [ignored]
-mmfcrf [enabled]
-mmfpgpr [disabled]
-mminimal-toc [disabled]
-mmodulo [disabled]
-mmulhw [disabled]
-mmultiple [disabled]
-mmusl [disabled]
-mmvme [disabled]
-mnewlib [disabled]
-mno-fp-in-toc [disabled]
-mno-mfpgpr [ignored]
-mno-string [ignored]
-mno-sum-in-toc [disabled]
-mno-toc [disabled]
-mno-traceback [disabled]
-mno-update [disabled]
-moptimize-swaps [enabled]
-mpcrel [disabled]
-mpltseq [enabled]
-mpointers-to-nested-functions [enabled]
-mpopcntb [enabled]
-mpopcntd [enabled]
-mpower8-fusion [disabled]
-mpower8-fusion-sign [disabled]
-mpower8-vector [enabled]
-mpower9-minmax [disabled]
-mpower9-misc [disabled]
-mpower9-vector [disabled]
-mpowerpc [ignored]
-mpowerpc-gfxopt [enabled]
-mpowerpc-gpopt [enabled]
-mpowerpc64 [enabled]
-mprefixed [disabled]
-mprioritize-restricted-insns= 0
-mprofile-kernel [disabled]
-mprototype [disabled]
-mquad-memory [enabled]
-mquad-memory-atomic [enabled]
-mreadonly-in-sdata [enabled]
-mrecip [disabled]
-mrecip-precision [enabled]
-mrecip=
-mregnames [disabled]
-mrelocatable [disabled]
-mrelocatable-lib [disabled]
-msave-toc-indirect [disabled]
-msched-costly-dep=
-msched-epilog [enabled]
-msched-groups [enabled]
-msched-prolog [enabled]
-msdata [disabled]
-msdata=[none,data,sysv,eabi]
-msecure-plt [disabled]
-mshlib [disabled]
-msim [disabled]
-msingle-pic-base [disabled]
-msoft-float [disabled]
-mspeculate-indirect-jumps [enabled]
-mstack-protector-guard-offset=
-mstack-protector-guard-reg=
-mstack-protector-guard= tls
-mstrict-align [disabled]
-mstring [disabled]
-mstring-compare-inline-limit= 64
-msum-in-toc [enabled]
-msvr4-struct-return [enabled]
-mtls-size=[16,32] 32
-mtoc [disabled]
-mtoc-fusion [disabled]
-mtraceback=[full,part,no] [default]
-mtune= [default]
-muclibc [disabled]
-munroll-only-small-loops [disabled]
-mupdate [enabled]
-mveclibabi=
-mvrsave [disabled]
-mvrsave=no -mvrsave
-mvrsave=yes -mvrsave
-mvsx [enabled]
-mvsx-align-128 [disabled]
-mvsx-timode [ignored]
-mwarn-altivec-long [enabled]
-mxl-compat [disabled]
-myellowknife [disabled]
Valid arguments to -malign-:
natural power
Known code models (for use with the -mcmodel= option):
large medium small
Known CPUs (for use with the -mcpu= and -mtune= options):
401 403 405 405fp 440 440fp 464 464fp 476 476fp 505 601 602 603 603e 604
604e 620 630 740 7400 7450 750 801 821 823 8540 8548 860 970 G3 G4 G5 a2 cell
e300c2 e300c3 e500mc e500mc64 e5500 e6500 ec603e future native
power3 power4 power5 power5+ power6 power6x power7 power8 power9 powerpc
powerpc64 powerpc64le rs64 titan
Valid arguments to -mstack-protector-guard=:
global tls
