On 10/18/19 12:10 AM, Mihailo Stojanovic wrote: > Mips built-in functions are currently not marked as pure, which > invalidates pointers across built-in function calls. If a pointer is > alive across built-in call, dereferencing it before and after the call > will generate two load instructions instead of one. > > This marks the built-ins as pure, which removes the unnecessary load. > > Tested on mips-mti-linux-gnu. > > gcc/ChangeLog: > > * config/mips/mips.c (DIRECT_BUILTIN_PURE): New macro. Add a > pure qualifier to the built-in. > (MSA_BUILTIN_PURE): New macro. Add a pure qualifier to the MSA > built-ins. > (struct mips_builtin_description): Add is_pure flag. > (mips_init_builtins): Mark built-in as pure if the flag in the > corresponding mips_builtin_description struct is set. > > gcc/testsuite/ChangeLog: > > * gcc.target/mips/mips-builtins-pure.c: New test.
Thanks. Installed on the trunk. ISTM we ought to get you set up with write access. Interested? jeff
