diff options
Diffstat (limited to 'gcc/loop-iv.c')
| -rw-r--r-- | gcc/loop-iv.c | 31 |
1 files changed, 8 insertions, 23 deletions
diff --git a/gcc/loop-iv.c b/gcc/loop-iv.c index bf6359d..8c3ef77 100644 --- a/gcc/loop-iv.c +++ b/gcc/loop-iv.c @@ -977,7 +977,7 @@ bool iv_analyze_expr (rtx_insn *insn, rtx rhs, machine_mode mode, struct rtx_iv *iv) { - rtx mby = NULL_RTX, tmp; + rtx mby = NULL_RTX; rtx op0 = NULL_RTX, op1 = NULL_RTX; struct rtx_iv iv0, iv1; enum rtx_code code = GET_CODE (rhs); @@ -1028,11 +1028,7 @@ iv_analyze_expr (rtx_insn *insn, rtx rhs, machine_mode mode, op0 = XEXP (rhs, 0); mby = XEXP (rhs, 1); if (!CONSTANT_P (mby)) - { - tmp = op0; - op0 = mby; - mby = tmp; - } + std::swap (op0, mby); if (!CONSTANT_P (mby)) return false; break; @@ -1544,7 +1540,7 @@ replace_in_expr (rtx *expr, rtx dest, rtx src) static bool implies_p (rtx a, rtx b) { - rtx op0, op1, opb0, opb1, r; + rtx op0, op1, opb0, opb1; machine_mode mode; if (rtx_equal_p (a, b)) @@ -1559,7 +1555,7 @@ implies_p (rtx a, rtx b) || (GET_CODE (op0) == SUBREG && REG_P (SUBREG_REG (op0)))) { - r = simplify_replace_rtx (b, op0, op1); + rtx r = simplify_replace_rtx (b, op0, op1); if (r == const_true_rtx) return true; } @@ -1568,7 +1564,7 @@ implies_p (rtx a, rtx b) || (GET_CODE (op1) == SUBREG && REG_P (SUBREG_REG (op1)))) { - r = simplify_replace_rtx (b, op1, op0); + rtx r = simplify_replace_rtx (b, op1, op0); if (r == const_true_rtx) return true; } @@ -1604,18 +1600,10 @@ implies_p (rtx a, rtx b) { if (GET_CODE (a) == GT) - { - r = op0; - op0 = op1; - op1 = r; - } + std::swap (op0, op1); if (GET_CODE (b) == GE) - { - r = opb0; - opb0 = opb1; - opb1 = r; - } + std::swap (opb0, opb1); if (SCALAR_INT_MODE_P (mode) && rtx_equal_p (op1, opb1) @@ -1707,7 +1695,6 @@ implies_p (rtx a, rtx b) rtx canon_condition (rtx cond) { - rtx tem; rtx op0, op1; enum rtx_code code; machine_mode mode; @@ -1719,9 +1706,7 @@ canon_condition (rtx cond) if (swap_commutative_operands_p (op0, op1)) { code = swap_condition (code); - tem = op0; - op0 = op1; - op1 = tem; + std::swap (op0, op1); } mode = GET_MODE (op0); |