scc

simple c99 compiler
git clone git://git.simple-cc.org/scc
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commit 6590f76d9831666123aa9aa0de715f0b56b69126
parent 7c9e9d8479731a93dbbd18a06877b32f282d113e
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Sat,  4 Feb 2017 22:01:03 +0100

[cc1] Add fold case for !!

	!!(a || b)

In this case we will have to ONEG together which can be folded.

Diffstat:
Mcc1/fold.c | 4++++
1 file changed, 4 insertions(+), 0 deletions(-)

diff --git a/cc1/fold.c b/cc1/fold.c @@ -377,6 +377,10 @@ foldunary(Node *np, Node *l) Node *aux; switch (np->op) { + case ONEG: + if (l->op == ONEG) + break; + return NULL; case OADD: DBG("FOLD unary delete %d", np->op); np->left = NULL;