diff options
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 2ea0fb7e99e..a5f2524bce6 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -2818,6 +2818,51 @@ output_pic_addr_const (file, x, code) output_operand_lossage ("invalid expression as operand"); } } + +/* This is called from dwarfout.c via ASM_OUTPUT_DWARF_ADDR_CONST. + We need to handle our special PIC relocations. */ + +void +i386_dwarf_output_addr_const (file, x) + FILE *file; + rtx x; +{ + fprintf (file, "\t%s\t", INT_ASM_OP); + if (flag_pic) + output_pic_addr_const (file, x, '\0'); + else + output_addr_const (file, x); + fputc ('\n', file); +} + +/* In the name of slightly smaller debug output, and to cater to + general assembler losage, recognize PIC+GOTOFF and turn it back + into a direct symbol reference. */ + +rtx +i386_simplify_dwarf_addr (orig_x) + rtx orig_x; +{ + rtx x = orig_x; + + if (GET_CODE (x) != PLUS + || GET_CODE (XEXP (x, 0)) != REG + || GET_CODE (XEXP (x, 1)) != CONST) + return orig_x; + + x = XEXP (XEXP (x, 1), 0); + if (GET_CODE (x) == UNSPEC + && XINT (x, 1) == 7) + return XVECEXP (x, 0, 0); + + if (GET_CODE (x) == PLUS + && GET_CODE (XEXP (x, 0)) == UNSPEC + && GET_CODE (XEXP (x, 1)) == CONST_INT + && XINT (XEXP (x, 0), 1) == 7) + return gen_rtx_PLUS (VOIDmode, XVECEXP (XEXP (x, 0), 0, 0), XEXP (x, 1)); + + return orig_x; +} static void put_condition_code (code, mode, reverse, fp, file) |