> > gcc/ChangeLog > > * config/riscv/riscv.c (riscv_promote_function_mode): New. > > (TARGET_PROMOTE_FUNCTION_MODE): Use riscv_promote_function_mode. > > gcc/testsuite/ChangeLog > > * gcc.target/riscv/promote-type-for-libcall.c: New. > > Yes, this looks correct to me, though I couldn't get the testcase to > fail until I thought to try gcc-8.3. It turns out that gcc-9 > optimizes away the __floatsidf2 calls, and that prevents the bug from > triggering. The bug fix is still right though and should still go in. > It failure is just a little harder to trigger than expected.
My mistake during reduce the testcase, I'll send v2 patch to update test case, let it able trigger on trunk. > > +/* Implement TARGET_PROMOTE_FUNCTION_MODE */ > > Missing a period at the end of the sentence, and the second space > before the comment close. The MIPS port has the same comment typo as > you copied it from there. You can fix the typo in the MIPS port too > if you want. > > Jim