> @@ -1024,6 +1040,31 @@ sparc_do_work_around_errata (void) > emit_insn_before (gen_nop (), target); > } > > + /* Insert a NOP between load instruction and atomic > + instruction. Insert a NOP at branch target if load > + in delay slot and atomic instruction at branch target. */ > + if (sparc_fix_ut700 > + && NONJUMP_INSN_P (insn) > + && (set = single_set (insn)) != NULL_RTX > + && MEM_P (SET_SRC (set)) > + && REG_P (SET_DEST (set)))
Any particular reason to use MEM_P instead of mem_ref here? It looks like there is also a case for the b2bst workaround (only loads are concerned). If no, I'll make the changes along with more cosmetic fixes. -- Eric Botcazou
