diff options
Diffstat (limited to 'gcc/jump.c')
| -rw-r--r-- | gcc/jump.c | 26 |
1 files changed, 13 insertions, 13 deletions
@@ -637,7 +637,8 @@ reversed_comparison_code_parts (enum rtx_code code, rtx arg0, rtx arg1, rtx insn enum machine_mode mode; /* If this is not actually a comparison, we can't reverse it. */ - if (GET_RTX_CLASS (code) != '<') + if (GET_RTX_CLASS (code) != RTX_COMPARE + && GET_RTX_CLASS (code) != RTX_COMM_COMPARE) return UNKNOWN; mode = GET_MODE (arg0); @@ -748,7 +749,7 @@ reversed_comparison_code_parts (enum rtx_code code, rtx arg0, rtx arg1, rtx insn enum rtx_code reversed_comparison_code (rtx comparison, rtx insn) { - if (GET_RTX_CLASS (GET_CODE (comparison)) != '<') + if (!COMPARISON_P (comparison)) return UNKNOWN; return reversed_comparison_code_parts (GET_CODE (comparison), XEXP (comparison, 0), @@ -1764,24 +1765,24 @@ delete_related_insns (rtx insn) if (was_code_label && prev && GET_CODE (prev) == BARRIER) { - RTX_CODE code; - while (next != 0 - && (GET_RTX_CLASS (code = GET_CODE (next)) == 'i' - || code == NOTE || code == BARRIER - || (code == CODE_LABEL && INSN_DELETED_P (next)))) + enum rtx_code code; + while (next) { + code = GET_CODE (next); if (code == NOTE && NOTE_LINE_NUMBER (next) != NOTE_INSN_FUNCTION_END) next = NEXT_INSN (next); /* Keep going past other deleted labels to delete what follows. */ else if (code == CODE_LABEL && INSN_DELETED_P (next)) next = NEXT_INSN (next); - else + else if (code == BARRIER || INSN_P (next)) /* Note: if this deletes a jump, it can cause more deletion of unreachable code, after a different label. As long as the value from this recursive call is correct, this invocation functions correctly. */ next = delete_related_insns (next); + else + break; } } @@ -2186,7 +2187,7 @@ int rtx_renumbered_equal_p (rtx x, rtx y) { int i; - RTX_CODE code = GET_CODE (x); + enum rtx_code code = GET_CODE (x); const char *fmt; if (x == y) @@ -2296,16 +2297,15 @@ rtx_renumbered_equal_p (rtx x, rtx y) order. Also handle the simple binary and unary cases without a loop. ??? Don't consider PLUS a commutative operator; see comments above. */ - if ((code == EQ || code == NE || GET_RTX_CLASS (code) == 'c') - && code != PLUS) + if (COMMUTATIVE_P (x) && code != PLUS) return ((rtx_renumbered_equal_p (XEXP (x, 0), XEXP (y, 0)) && rtx_renumbered_equal_p (XEXP (x, 1), XEXP (y, 1))) || (rtx_renumbered_equal_p (XEXP (x, 0), XEXP (y, 1)) && rtx_renumbered_equal_p (XEXP (x, 1), XEXP (y, 0)))); - else if (GET_RTX_CLASS (code) == '<' || GET_RTX_CLASS (code) == '2') + else if (NON_COMMUTATIVE_P (x)) return (rtx_renumbered_equal_p (XEXP (x, 0), XEXP (y, 0)) && rtx_renumbered_equal_p (XEXP (x, 1), XEXP (y, 1))); - else if (GET_RTX_CLASS (code) == '1') + else if (UNARY_P (x)) return rtx_renumbered_equal_p (XEXP (x, 0), XEXP (y, 0)); /* Compare the elements. If any pair of corresponding elements |