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| author | Alan Modra <amodra@bigpond.net.au> | 2002-09-20 00:58:39 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@bigpond.net.au> | 2002-09-20 00:58:39 +0000 |
| commit | 6a31459ae62d2cb13651cc3791335cbc5ac14dca (patch) | |
| tree | ed7c234db060da3f32e68dee7f2a1c76968ce69f /gas/expr.c | |
| parent | acbf46446938d7690def8a5ff9e5ab2555d9c125 (diff) | |
| download | binutils-redhat-6a31459ae62d2cb13651cc3791335cbc5ac14dca.tar.gz | |
* expr.c (expr): Simplify foo-foo here.
(clean_up_expression): Remove O_subtract code.
Diffstat (limited to 'gas/expr.c')
| -rw-r--r-- | gas/expr.c | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/gas/expr.c b/gas/expr.c index b8e49f5156..68c4a78890 100644 --- a/gas/expr.c +++ b/gas/expr.c @@ -1347,8 +1347,6 @@ operand (expressionP) Elsewise we waste time special-case testing. Sigh. Ditto SEG_ABSENT. Out: expressionS may have been modified: - 'foo-foo' symbol references cancelled to 0, which changes X_op - from O_subtract to O_constant. Unused fields zeroed to help expr (). */ static void @@ -1371,21 +1369,6 @@ clean_up_expression (expressionP) case O_bit_not: expressionP->X_op_symbol = NULL; break; - case O_subtract: - if (expressionP->X_op_symbol == expressionP->X_add_symbol - || ((symbol_get_frag (expressionP->X_op_symbol) - == symbol_get_frag (expressionP->X_add_symbol)) - && SEG_NORMAL (S_GET_SEGMENT (expressionP->X_add_symbol)))) - { - addressT diff = (S_GET_VALUE (expressionP->X_add_symbol) - - S_GET_VALUE (expressionP->X_op_symbol)); - - expressionP->X_op = O_constant; - expressionP->X_add_symbol = NULL; - expressionP->X_op_symbol = NULL; - expressionP->X_add_number += diff; - } - break; default: break; } @@ -1751,7 +1734,8 @@ expr (rankarg, resultP) && resultP->X_op == O_symbol && (symbol_get_frag (right.X_add_symbol) == symbol_get_frag (resultP->X_add_symbol)) - && SEG_NORMAL (rightseg)) + && (SEG_NORMAL (rightseg) + || right.X_add_symbol == resultP->X_add_symbol)) { resultP->X_add_number -= right.X_add_number; resultP->X_add_number += (S_GET_VALUE (resultP->X_add_symbol) |