diff options
Diffstat (limited to 'gcc/config/alpha/alpha.c')
| -rw-r--r-- | gcc/config/alpha/alpha.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index 1c5a159..b980857 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -5860,11 +5860,15 @@ va_list_skip_additions (tree lhs) ? ap.__offset + cst - 48 : ap.__offset + cst) + cst2). If the former, indicate that GPR registers are needed, if the latter, indicate that FPR registers are needed. + + Also look for LHS = (*ptr).field, where ptr is one of the forms + listed above. + On alpha, cfun->va_list_gpr_size is used as size of the needed - regs and cfun->va_list_fpr_size is a bitmask, bit 0 set if - GPR registers are needed and bit 1 set if FPR registers are needed. - Return true if va_list references should not be scanned for the current - statement. */ + regs and cfun->va_list_fpr_size is a bitmask, bit 0 set if GPR + registers are needed and bit 1 set if FPR registers are needed. + Return true if va_list references should not be scanned for the + current statement. */ static bool alpha_stdarg_optimize_hook (struct stdarg_info *si, tree lhs, tree rhs) @@ -5872,6 +5876,8 @@ alpha_stdarg_optimize_hook (struct stdarg_info *si, tree lhs, tree rhs) tree base, offset, arg1, arg2; int offset_arg = 1; + while (handled_component_p (rhs)) + rhs = TREE_OPERAND (rhs, 0); if (TREE_CODE (rhs) != INDIRECT_REF || TREE_CODE (TREE_OPERAND (rhs, 0)) != SSA_NAME) return false; |