diff options
Diffstat (limited to 'gcc/resource.c')
| -rw-r--r-- | gcc/resource.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/resource.c b/gcc/resource.c index cd4eb10628c..215ae5a49e5 100644 --- a/gcc/resource.c +++ b/gcc/resource.c @@ -662,10 +662,12 @@ mark_set_resources (rtx x, struct resources *res, int in_dest, if (mark_type == MARK_SRC_DEST_CALL) { rtx link; + HARD_REG_SET used_regs; + get_call_invalidated_used_regs (x, &used_regs, false); res->cc = res->memory = 1; for (r = 0; r < FIRST_PSEUDO_REGISTER; r++) - if (call_used_regs[r] || global_regs[r]) + if (TEST_HARD_REG_BIT (used_regs, r) || global_regs[r]) SET_HARD_REG_BIT (res->regs, r); for (link = CALL_INSN_FUNCTION_USAGE (x); @@ -1024,11 +1026,13 @@ mark_target_live_regs (rtx insns, rtx target, struct resources *res) if (CALL_P (real_insn)) { + HARD_REG_SET clobbered_regs; + + get_call_invalidated_used_regs (insn, &clobbered_regs, true); /* CALL clobbers all call-used regs that aren't fixed except sp, ap, and fp. Do this before setting the result of the call live. */ - AND_COMPL_HARD_REG_SET (current_live_regs, - regs_invalidated_by_call); + AND_COMPL_HARD_REG_SET (current_live_regs, clobbered_regs); /* A CALL_INSN sets any global register live, since it may have been modified by the call. */ |