diff options
Diffstat (limited to 'gcc/config/avr/avr.cc')
| -rw-r--r-- | gcc/config/avr/avr.cc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/config/avr/avr.cc b/gcc/config/avr/avr.cc index 9468446..2afea95 100644 --- a/gcc/config/avr/avr.cc +++ b/gcc/config/avr/avr.cc @@ -411,6 +411,29 @@ avr_to_int_mode (rtx x) } +/* Return the pattern of INSN, but with added (clobber (reg:CC REG_CC)). + The pattern of INSN must be a PARALLEL or a SET. INSN is unchanged. */ + +rtx +avr_add_ccclobber (rtx_insn *insn) +{ + rtx pat = PATTERN (insn); + gcc_assert (GET_CODE (pat) == SET || GET_CODE (pat) == PARALLEL); + + int newlen = GET_CODE (pat) == SET ? 2 : 1 + XVECLEN (pat, 0); + rtx newpat = gen_rtx_PARALLEL (VOIDmode, rtvec_alloc (newlen)); + rtx elt0 = GET_CODE (pat) == SET ? pat : XVECEXP (pat, 0, 0); + + XVECEXP (newpat, 0, 0) = copy_rtx (elt0); + XVECEXP (newpat, 0, newlen - 1) = gen_rtx_CLOBBER (VOIDmode, cc_reg_rtx); + + for (int i = 1; i < newlen - 1; ++i) + XVECEXP (newpat, 0, i) = copy_rtx (XVECEXP (pat, 0, i)); + + return newpat; +} + + /* Return true if hard register REG supports the ADIW and SBIW instructions. */ bool @@ -14418,6 +14441,13 @@ avr_output_addr_vec (rtx_insn *labl, rtx table) // Output the label that precedes the table. ASM_OUTPUT_ALIGN (stream, 1); + + char s_labl[40]; + targetm.asm_out.generate_internal_label (s_labl, "L", + CODE_LABEL_NUMBER (labl)); + ASM_OUTPUT_TYPE_DIRECTIVE (stream, s_labl, + AVR_HAVE_JMP_CALL ? "object" : "function"); + targetm.asm_out.internal_label (stream, "L", CODE_LABEL_NUMBER (labl)); // Output the table's content. |