diff options
Diffstat (limited to 'gcc/resource.c')
| -rw-r--r-- | gcc/resource.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/gcc/resource.c b/gcc/resource.c index 6051313..a0fd2ec 100644 --- a/gcc/resource.c +++ b/gcc/resource.c @@ -240,9 +240,7 @@ mark_referenced_resources (rtx x, struct resources *res, case MEM: /* If this memory shouldn't change, it really isn't referencing memory. */ - if (MEM_READONLY_P (x)) - res->unch_memory = 1; - else + if (! MEM_READONLY_P (x)) res->memory = 1; res->volatil |= MEM_VOLATILE_P (x); @@ -740,7 +738,6 @@ mark_set_resources (rtx x, struct resources *res, int in_dest, if (in_dest) { res->memory = 1; - res->unch_memory |= MEM_READONLY_P (x); res->volatil |= MEM_VOLATILE_P (x); } @@ -896,7 +893,7 @@ mark_target_live_regs (rtx insns, rtx target, struct resources *res) /* We have to assume memory is needed, but the CC isn't. */ res->memory = 1; - res->volatil = res->unch_memory = 0; + res->volatil = 0; res->cc = 0; /* See if we have computed this value already. */ @@ -1145,7 +1142,6 @@ init_resource_info (rtx epilogue_insn) end_of_function_needs.cc = 0; end_of_function_needs.memory = 1; - end_of_function_needs.unch_memory = 0; CLEAR_HARD_REG_SET (end_of_function_needs.regs); if (frame_pointer_needed) |