back out r5212 and r5210; Follow the thread of
http://www.coreboot.org/pipermail/coreboot/2010-March/056501.html for the details. Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5214 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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@ -1896,16 +1896,12 @@ static void use_triple(struct triple *used, struct triple *user)
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return;
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if (!user)
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return;
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if (used->use == (void*)-1)
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used->use = 0;
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if (used->use) {
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ptr = &used->use;
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while(*ptr) {
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if ((*ptr)->member == user) {
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return;
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}
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ptr = &(*ptr)->next;
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ptr = &used->use;
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while(*ptr) {
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if ((*ptr)->member == user) {
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return;
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}
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ptr = &(*ptr)->next;
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}
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/* Append new to the head of the list,
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* copy_func and rename_block_variables
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@ -11557,7 +11553,7 @@ static struct triple *constant_expr(struct compile_state *state)
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static struct triple *assignment_expr(struct compile_state *state)
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{
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struct triple *def, *left, *left2, *right;
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struct triple *def, *left, *right;
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int tok, op, sign;
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/* The C grammer in K&R shows assignment expressions
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* only taking unary expressions as input on their
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@ -11578,9 +11574,6 @@ static struct triple *assignment_expr(struct compile_state *state)
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*/
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def = conditional_expr(state);
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left = def;
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left2 = left;
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if (!(left2->id & TRIPLE_FLAG_FLATTENED))
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left2 = copy_triple(state, left2);
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switch((tok = peek(state))) {
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case TOK_EQ:
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lvalue(state, left);
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@ -11606,19 +11599,19 @@ static struct triple *assignment_expr(struct compile_state *state)
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}
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def = write_expr(state, left,
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triple(state, op, left->type,
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read_expr(state, left2), right));
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read_expr(state, left), right));
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break;
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case TOK_PLUSEQ:
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lvalue(state, left);
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eat(state, TOK_PLUSEQ);
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def = write_expr(state, left,
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mk_add_expr(state, left2, assignment_expr(state)));
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mk_add_expr(state, left, assignment_expr(state)));
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break;
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case TOK_MINUSEQ:
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lvalue(state, left);
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eat(state, TOK_MINUSEQ);
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def = write_expr(state, left,
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mk_sub_expr(state, left2, assignment_expr(state)));
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mk_sub_expr(state, left, assignment_expr(state)));
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break;
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case TOK_SLEQ:
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case TOK_SREQ:
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@ -11642,7 +11635,7 @@ static struct triple *assignment_expr(struct compile_state *state)
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}
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def = write_expr(state, left,
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triple(state, op, left->type,
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read_expr(state, left2), right));
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read_expr(state, left), right));
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break;
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}
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return def;
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