Re: [Bug target/32450] -pg seemingly causes miscompilation

[dominiq at lps dot ens dot fr (Dominique Dhumieres)]

> When you invoke gfortran with -v march=native and with a source file, it will
> show the values.  This is the recommended way of showing how you involved
> gcc/gfortran anyways.

I get:

f951: error: unrecognized command line option "-march=native"

with

[karma] bug/timing% gfc -v -march=native -O3 time_trans.f90
Driving: gfc -mmacosx-version-min=10.3 -v -march=native -O3 time_trans.f90 -lgfortranbegin -lgfortran -shared-libgcc
Using built-in specs.
Target: powerpc-apple-darwin7
Configured with: ../gcc-4.3-20070623/configure --prefix=/sw --prefix=/sw/lib/gcc4 --disable-multilib --enable-languages=c,c++,fortran,objc,java --infodir='/sw/lib/gcc4/share/info' --with-gmp=/sw --with-included-gettext --build=powerpc-apple-darwin7 --host=powerpc-apple-darwin7 --with-as=/sw/lib/odcctools/bin/as --with-ld=/sw/lib/odcctools/bin/ld --with-nm=/sw/lib/odcctools/bin/nm --with-ar=/sw/lib/odcctools/bin/ar --with-strip=/sw/lib/odcctools/bin/strip --with-ranlib=/sw/lib/odcctools/bin/ranlib
Thread model: posix
gcc version 4.3.0 20070622 (experimental)
 /sw/lib/gcc4/libexec/gcc/powerpc-apple-darwin7/4.3.0/f951 time_trans.f90 -fPIC -quiet -dumpbase time_trans.f90 -mmacosx-version-min=10.3 -march=native -auxbase time_trans -O3 -version -fintrinsic-modules-path /sw/lib/gcc4/lib/gcc/powerpc-apple-darwin7/4.3.0/finclude -o /var/tmp//ccEbNJW4.s
f951: error: unrecognized command line option "-march=native"
GNU F95 version 4.3.0 20070622 (experimental) (powerpc-apple-darwin7)
        compiled by GNU C version 4.3.0 20070622 (experimental), GMP version 4.2.1, MPFR version 2.2.1.
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096

without -march=native, I get

karma] bug/timing% gfc -v -O3 time_trans.f90
Driving: gfc -mmacosx-version-min=10.3 -v -O3 time_trans.f90 -lgfortranbegin -lgfortran -shared-libgcc
Using built-in specs.
Target: powerpc-apple-darwin7
Configured with: ../gcc-4.3-20070623/configure --prefix=/sw --prefix=/sw/lib/gcc4 --disable-multilib --enable-languages=c,c++,fortran,objc,java --infodir='/sw/lib/gcc4/share/info' --with-gmp=/sw --with-included-gettext --build=powerpc-apple-darwin7 --host=powerpc-apple-darwin7 --with-as=/sw/lib/odcctools/bin/as --with-ld=/sw/lib/odcctools/bin/ld --with-nm=/sw/lib/odcctools/bin/nm --with-ar=/sw/lib/odcctools/bin/ar --with-strip=/sw/lib/odcctools/bin/strip --with-ranlib=/sw/lib/odcctools/bin/ranlib
Thread model: posix
gcc version 4.3.0 20070622 (experimental)
 /sw/lib/gcc4/libexec/gcc/powerpc-apple-darwin7/4.3.0/f951 time_trans.f90 -fPIC -quiet -dumpbase time_trans.f90 -mmacosx-version-min=10.3 -auxbase time_trans -O3 -version -fintrinsic-modules-path /sw/lib/gcc4/lib/gcc/powerpc-apple-darwin7/4.3.0/finclude -o /var/tmp//ccOSY3Yn.s
GNU F95 version 4.3.0 20070622 (experimental) (powerpc-apple-darwin7)
        compiled by GNU C version 4.3.0 20070622 (experimental), GMP version 4.2.1, MPFR version 2.2.1.
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
 /sw/lib/odcctools/bin/as -arch ppc -o /var/tmp//ccFAndJ8.o /var/tmp//ccOSY3Yn.s
 /sw/lib/gcc4/libexec/gcc/powerpc-apple-darwin7/4.3.0/collect2 -dynamic -arch ppc -macosx_version_min 10.3 -multiply_defined suppress -weak_reference_mismatches non-weak -o a.out -lcrt1.o /sw/lib/gcc4/lib/gcc/powerpc-apple-darwin7/4.3.0/crt2.o /sw/lib/gcc4/lib/gcc/powerpc-apple-darwin7/4.3.0/crt3.o -L/sw/lib/gcc4/lib/gcc/powerpc-apple-darwin7/4.3.0 -L/sw/lib/gcc4/lib/gcc/powerpc-apple-darwin7/4.3.0/../../.. /var/tmp//ccFAndJ8.o -lgfortranbegin -lgfortran -lgcc_s.10.4 -lgcc -lSystem -lmx

Dominique