diff options
Diffstat (limited to 'gcc/final.c')
| -rw-r--r-- | gcc/final.c | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/gcc/final.c b/gcc/final.c index a9b51ca..e2d9e5a 100644 --- a/gcc/final.c +++ b/gcc/final.c @@ -3349,6 +3349,31 @@ output_asm_label (rtx x) assemble_name (asm_out_file, buf); } +/* Helper rtx-iteration-function for output_operand. Marks + SYMBOL_REFs as referenced through use of assemble_external. */ + +static int +mark_symbol_ref_as_used (rtx *xp, void *dummy ATTRIBUTE_UNUSED) +{ + rtx x = *xp; + + /* If we have a used symbol, we may have to emit assembly + annotations corresponding to whether the symbol is external, weak + or has non-default visibility. */ + if (GET_CODE (x) == SYMBOL_REF) + { + tree t; + + t = SYMBOL_REF_DECL (x); + if (t) + assemble_external (t); + + return -1; + } + + return 0; +} + /* Print operand X using machine-dependent assembler syntax. The macro PRINT_OPERAND is defined just to control this function. CODE is a non-digit that preceded the operand-number in the % spec, @@ -3369,14 +3394,11 @@ output_operand (rtx x, int code ATTRIBUTE_UNUSED) gcc_assert (!x || !REG_P (x) || REGNO (x) < FIRST_PSEUDO_REGISTER); PRINT_OPERAND (asm_out_file, x, code); - if (x && MEM_P (x) && GET_CODE (XEXP (x, 0)) == SYMBOL_REF) - { - tree t; - x = XEXP (x, 0); - t = SYMBOL_REF_DECL (x); - if (t) - assemble_external (t); - } + + if (x == NULL_RTX) + return; + + for_each_rtx (&x, mark_symbol_ref_as_used, NULL); } /* Print a memory reference operand for address X |