On Fri, Dec 5, 2014 at 9:47 PM, H.J. Lu <hongjiu...@intel.com> wrote: > GCC manual says: > > '-minline-stringops-dynamically' > For string operations of unknown size, use run-time checks with > inline code for small blocks and a library call for large blocks. > > we get > > Breakpoint 5, decide_alg (count=0, expected_size=-1, min_size=0, > max_size=2147483647, memset=false, zero_memset=false, > dynamic_check=0x7fffffffc924, noalign=0x7fffffffc923) > at /export/gnu/import/git/gcc/gcc/config/i386/i386.c:24510 > 24510 if (TARGET_INLINE_STRINGOPS_DYNAMICALLY) > (gdb) p alg > $1 = libcall > (gdb) > > libcall is a valid choice here for -minline-stringops-dynamically. This > patch avoids assert "alg != libcall" for > TARGET_INLINE_STRINGOPS_DYNAMICALLY. OK for trunk and 4.9 branch? > > 2014-12-05 H.J. Lu <hongjiu...@intel.com> > > PR target/64200 > * config/i386/i386.c (decide_alg): Don't assert "alg != libcall" > for TARGET_INLINE_STRINGOPS_DYNAMICALLY. > > gcc/testsuite/ > > 2014-12-05 H.J. Lu <hongjiu...@intel.com> > > PR target/64200 > * gcc.target/i386/memcpy-strategy-4.c: New test.
Looking at above option description, looks like a thinko in the code. Patch is OK everywhere, but should bake a couple of days in the mainline. Thanks, Uros.
