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| author | Richard Kenner <kenner@gcc.gnu.org> | 1992-06-25 06:13:31 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1992-06-25 06:13:31 -0400 |
| commit | e5671f2b6ef5a998cefe72b889dffaac288e6379 (patch) | |
| tree | 1cde4a100759eeab9da1b710ece6235698594123 /gcc/explow.c | |
| parent | cd10f7b60831de7ea1077ad3249526809010d27a (diff) | |
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*** empty log message ***
From-SVN: r1281
Diffstat (limited to 'gcc/explow.c')
| -rw-r--r-- | gcc/explow.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/gcc/explow.c b/gcc/explow.c index c0d6972..587bde6 100644 --- a/gcc/explow.c +++ b/gcc/explow.c @@ -99,17 +99,13 @@ plus_constant (x, c) Look for constant term in the sum and combine with C. For an integer constant term, we make a combined integer. For a constant term that is not an explicit integer, - we cannot really combine, but group them together anyway. */ - if (GET_CODE (XEXP (x, 0)) == CONST_INT) - { - c += INTVAL (XEXP (x, 0)); - x = XEXP (x, 1); - } - else if (GET_CODE (XEXP (x, 1)) == CONST_INT) - { - c += INTVAL (XEXP (x, 1)); - x = XEXP (x, 0); - } + we cannot really combine, but group them together anyway. + + Use a recursive call in case the remaining operand is something + that we handle specially, such as a SYMBOL_REF. */ + + if (GET_CODE (XEXP (x, 1)) == CONST_INT) + return plus_constant (XEXP (x, 0), c + INTVAL (XEXP (x, 1))); else if (CONSTANT_P (XEXP (x, 0))) return gen_rtx (PLUS, mode, plus_constant (XEXP (x, 0), c), @@ -131,7 +127,7 @@ plus_constant (x, c) return x; } -/* This is the same a `plus_constant', except that it handles LO_SUM. */ +/* This is the same as `plus_constant', except that it handles LO_SUM. */ rtx plus_constant_for_output (x, c) |