Am 06.07.2017 um 20:53 schrieb Jeff Law: > Hmm, unfortunately I consistently get a call to into libgcc for the > __builtin_ffs code rather than an ffs instruction. That's with a > gcc-4.8.3 as well as with trunk compiler. > > Can you include "-v" output from compiling scsipi_base?
Hope this is right/enough: Using built-in specs. COLLECT_GCC=/nb8/obj/tooldir.NetBSD-7.0-amd64/bin/vax--netbsdelf-gcc Target: vax--netbsdelf Configured with: /nb8/src/tools/gcc/../../external/gpl3/gcc/dist/configure --target=vax--netbsdelf --enable-long-long --enable-threads --with-bugurl=http://www.NetBSD.org/Misc/send-pr.html --with-pkgversion='NetBSD nb1 20160606' --with-system-zlib --enable-__cxa_atexit --enable-libstdcxx-time=rt --enable-libstdcxx-threads --with-diagnostics-color=auto-if-env --with-sysroot=/nb8/obj/destdir.vax --with-mpc=/nb8/obj/tooldir.NetBSD-7.0-amd64 --with-mpfr=/nb8/obj/tooldir.NetBSD-7.0-amd64 --with-gmp=/nb8/obj/tooldir.NetBSD-7.0-amd64 --disable-nls --disable-multilib --program-transform-name=s,^,vax--netbsdelf-, --enable-languages='c c++ objc' --prefix=/nb8/obj/tooldir.NetBSD-7.0-amd64 Thread model: posix gcc version 5.4.0 (NetBSD nb1 20160606) COLLECT_GCC_OPTIONS='-v' '-fno-pic' '-ffreestanding' '-fno-zero-initialized-in-bss' '-Os' '-fno-strict-aliasing' '-fno-common' '-std=gnu99' '-Werror' '-Wall' '-Wno-main' '-Wno-format-zero-length' '-Wpointer-arith' '-Wmissing-prototypes' '-Wstrict-prototypes' '-Wold-style-definition' '-Wswitch' '-Wshadow' '-Wcast-qual' '-Wwrite-strings' '-Wno-pointer-sign' '-Wno-attributes' '-Wno-sign-compare' '-D' '_VAX_INLINE_' '-I' '.' '-I' '/nb8/src/sys/../common/lib/libx86emu' '-I' '/nb8/src/sys/../common/include' '-I' '/nb8/src/sys/arch' '-I' '/nb8/src/sys' '-nostdinc' '-D' '_KERNEL' '-D' '_KERNEL_OPT' '-std=gnu99' '-I' '/nb8/src/sys/lib/libkern/../../../common/lib/libc/quad' '-I' '/nb8/src/sys/lib/libkern/../../../common/lib/libc/string' '-I' '/nb8/src/sys/lib/libkern/../../../common/lib/libc/arch/vax/string' '-c' '-o' 'scsipi_base.o' /nb8/obj/tooldir.NetBSD-7.0-amd64/libexec/gcc/vax--netbsdelf/5.4.0/cc1 -quiet -nostdinc -v -I . -I /nb8/src/sys/../common/lib/libx86emu -I /nb8/src/sys/../common/include -I /nb8/src/sys/arch -I /nb8/src/sys -I /nb8/src/sys/lib/libkern/../../../common/lib/libc/quad -I /nb8/src/sys/lib/libkern/../../../common/lib/libc/string -I /nb8/src/sys/lib/libkern/../../../common/lib/libc/arch/vax/string -isysroot /nb8/obj/destdir.vax -D _VAX_INLINE_ -D _KERNEL -D _KERNEL_OPT /nb8/src/sys/dev/scsipi/scsipi_base.c -quiet -dumpbase scsipi_base.c -auxbase-strip scsipi_base.o -Os -Werror -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith -Wmissing-prototypes -Wstrict-prototypes -Wold-style-definition -Wswitch -Wshadow -Wcast-qual -Wwrite-strings -Wno-pointer-sign -Wno-attributes -Wno-sign-compare -std=gnu99 -std=gnu99 -version -fno-pic -ffreestanding -fno-zero-initialized-in-bss -fno-strict-aliasing -fno-common -o /var/tmp//ccy92Bnl.s GNU C99 (NetBSD nb1 20160606) version 5.4.0 (vax--netbsdelf) compiled by GNU C version 4.8.4, GMP version 5.1.3, MPFR version 3.1.2, MPC version 1.0.1 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 #include "..." search starts here: #include <...> search starts here: . /nb8/src/sys/../common/lib/libx86emu /nb8/src/sys/../common/include /nb8/src/sys/arch /nb8/src/sys /nb8/src/sys/lib/libkern/../../../common/lib/libc/quad /nb8/src/sys/lib/libkern/../../../common/lib/libc/string /nb8/src/sys/lib/libkern/../../../common/lib/libc/arch/vax/string End of search list. GNU C99 (NetBSD nb1 20160606) version 5.4.0 (vax--netbsdelf) compiled by GNU C version 4.8.4, GMP version 5.1.3, MPFR version 3.1.2, MPC version 1.0.1 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: 530755d1b0ada9bef015017ee74733db COLLECT_GCC_OPTIONS='-v' '-fno-pic' '-ffreestanding' '-fno-zero-initialized-in-bss' '-Os' '-fno-strict-aliasing' '-fno-common' '-std=gnu99' '-Werror' '-Wall' '-Wno-main' '-Wno-format-zero-length' '-Wpointer-arith' '-Wmissing-prototypes' '-Wstrict-prototypes' '-Wold-style-definition' '-Wswitch' '-Wshadow' '-Wcast-qual' '-Wwrite-strings' '-Wno-pointer-sign' '-Wno-attributes' '-Wno-sign-compare' '-D' '_VAX_INLINE_' '-I' '.' '-I' '/nb8/src/sys/../common/lib/libx86emu' '-I' '/nb8/src/sys/../common/include' '-I' '/nb8/src/sys/arch' '-I' '/nb8/src/sys' '-nostdinc' '-D' '_KERNEL' '-D' '_KERNEL_OPT' '-std=gnu99' '-I' '/nb8/src/sys/lib/libkern/../../../common/lib/libc/quad' '-I' '/nb8/src/sys/lib/libkern/../../../common/lib/libc/string' '-I' '/nb8/src/sys/lib/libkern/../../../common/lib/libc/arch/vax/string' '-c' '-o' 'scsipi_base.o' /nb8/obj/tooldir.NetBSD-7.0-amd64/lib/gcc/vax--netbsdelf/5.4.0/../../../../vax--netbsdelf/bin/as -v -I . -I /nb8/src/sys/../common/lib/libx86emu -I /nb8/src/sys/../common/include -I /nb8/src/sys/arch -I /nb8/src/sys -I /nb8/src/sys/lib/libkern/../../../common/lib/libc/quad -I /nb8/src/sys/lib/libkern/../../../common/lib/libc/string -I /nb8/src/sys/lib/libkern/../../../common/lib/libc/arch/vax/string -o scsipi_base.o /var/tmp//ccy92Bnl.s GNU assembler version 2.27 (vax--netbsdelf) using BFD version (NetBSD Binutils nb1) 2.27 COMPILER_PATH=/nb8/obj/tooldir.NetBSD-7.0-amd64/libexec/gcc/vax--netbsdelf/5.4.0/:/nb8/obj/tooldir.NetBSD-7.0-amd64/libexec/gcc/vax--netbsdelf/5.4.0/:/nb8/obj/tooldir.NetBSD-7.0-amd64/libexec/gcc/vax--netbsdelf/:/nb8/obj/tooldir.NetBSD-7.0-amd64/lib/gcc/vax--netbsdelf/5.4.0/:/nb8/obj/tooldir.NetBSD-7.0-amd64/lib/gcc/vax--netbsdelf/:/nb8/obj/tooldir.NetBSD-7.0-amd64/lib/gcc/vax--netbsdelf/5.4.0/../../../../vax--netbsdelf/bin/ LIBRARY_PATH=/nb8/obj/tooldir.NetBSD-7.0-amd64/lib/gcc/vax--netbsdelf/5.4.0/:/nb8/obj/tooldir.NetBSD-7.0-amd64/lib/gcc/vax--netbsdelf/5.4.0/../../../../vax--netbsdelf/lib/:/nb8/obj/destdir.vax/usr/lib/ COLLECT_GCC_OPTIONS='-v' '-fno-pic' '-ffreestanding' '-fno-zero-initialized-in-bss' '-Os' '-fno-strict-aliasing' '-fno-common' '-std=gnu99' '-Werror' '-Wall' '-Wno-main' '-Wno-format-zero-length' '-Wpointer-arith' '-Wmissing-prototypes' '-Wstrict-prototypes' '-Wold-style-definition' '-Wswitch' '-Wshadow' '-Wcast-qual' '-Wwrite-strings' '-Wno-pointer-sign' '-Wno-attributes' '-Wno-sign-compare' '-D' '_VAX_INLINE_' '-I' '.' '-I' '/nb8/src/sys/../common/lib/libx86emu' '-I' '/nb8/src/sys/../common/include' '-I' '/nb8/src/sys/arch' '-I' '/nb8/src/sys' '-nostdinc' '-D' '_KERNEL' '-D' '_KERNEL_OPT' '-std=gnu99' '-I' '/nb8/src/sys/lib/libkern/../../../common/lib/libc/quad' '-I' '/nb8/src/sys/lib/libkern/../../../common/lib/libc/string' '-I' '/nb8/src/sys/lib/libkern/../../../common/lib/libc/arch/vax/string' '-c' '-o' 'scsipi_base.o' Cheers, Felix
