diff options
Diffstat (limited to 'gcc/config/sh/sh.c')
| -rw-r--r-- | gcc/config/sh/sh.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 2dc1d5cb5a6..32c8ef99d0f 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -3514,7 +3514,7 @@ gen_block_redirect (rtx jump, int addr, int need_block) if (INSN_DELETED_P (scan)) continue; code = GET_CODE (scan); - if (GET_RTX_CLASS (code) == 'i') + if (INSN_P (scan)) { used |= regs_used (PATTERN (scan), 0); if (code == CALL_INSN) @@ -7667,6 +7667,10 @@ reg_unused_after (rtx reg, rtx insn) while ((insn = NEXT_INSN (insn))) { + rtx set; + if (!INSN_P (insn)) + continue; + code = GET_CODE (insn); #if 0 @@ -7723,17 +7727,14 @@ reg_unused_after (rtx reg, rtx insn) else if (code == JUMP_INSN) return 0; } - else if (GET_RTX_CLASS (code) == 'i') - { - rtx set = single_set (insn); - if (set && reg_overlap_mentioned_p (reg, SET_SRC (set))) - return 0; - if (set && reg_overlap_mentioned_p (reg, SET_DEST (set))) - return GET_CODE (SET_DEST (set)) != MEM; - if (set == 0 && reg_overlap_mentioned_p (reg, PATTERN (insn))) - return 0; - } + set = single_set (insn); + if (set && reg_overlap_mentioned_p (reg, SET_SRC (set))) + return 0; + if (set && reg_overlap_mentioned_p (reg, SET_DEST (set))) + return GET_CODE (SET_DEST (set)) != MEM; + if (set == 0 && reg_overlap_mentioned_p (reg, PATTERN (insn))) + return 0; if (code == CALL_INSN && call_used_regs[REGNO (reg)]) return 1; |