fix some warnings

3 files changed, 2 insertions, 11 deletions

diff --git a/amd64/isel.c b/amd64/isel.c
index 420e392..d6fbaf5 100644
--- a/amd64/isel.c
+++ b/amd64/isel.c
@@ -9,15 +9,7 @@ enum flag {
    CLOBF = 1 << 4,
 };
 
-/* flags read by integer cmp ops */
-static const uchar intcmpflags[] = {
-   [Oequ] = ZF, [Oneq] = ZF,
-   [Olth] = SF|OF, [Olte] = ZF|SF|OF,
-   [Ogte] = SF|OF, [Ogth] = ZF|SF|OF,
-   [Oulth] = CF, [Oulte] = ZF|CF,
-   [Ougte] = CF, [Ougth] = ZF|CF,
-};
-
+/* flags modified by each integer op */
 static const uchar opflags[] = {
    [Oneg]  = ZF|CLOBF,
    [Oadd]  = ZF|CLOBF,
diff --git a/common.h b/common.h
index 449c777..b98ecc0 100644
--- a/common.h
+++ b/common.h
@@ -403,7 +403,7 @@ int imap_set_(struct imapbase *, void **v, uint vsiz, short k);
 #define imap_init(m, N) (imap_free(m), imap_init_(&(m)->mb, (void **)&(m)->v, sizeof*(m)->v, (N)))
 #define imap_clear(m) ((m)->mb.bs ? bszero((m)->mb.bs, BSSIZE((m)->mb.N)) : (void)0, \
                        (m)->mb.n = 0)
-#define imap_get(m, k) (((m)->tmp = imap_get_(&(m)->mb, k)) < 0 ? NULL : &(m)->v[(m)->tmp])
+#define imap_get(m, k) ((m)->tmp = imap_get_(&(m)->mb, k), (m)->tmp < 0 ? NULL : &(m)->v[(m)->tmp])
 #define imap_set(m, k, x) ((m)->tmp = imap_set_(&(m)->mb, (void **)&(m)->v, sizeof*(m)->v, k), \
                            (m)->v[(m)->tmp] = (x), &(m)->v[(m)->tmp])
 #define imap_each(m,kx,pvx) \
diff --git a/ssa.c b/ssa.c
index fc4464b..69c934e 100644
--- a/ssa.c
+++ b/ssa.c
@@ -9,7 +9,6 @@ copyopt(struct function *fn)
 
    do {
       for (int i = 0; i < blk->ins.n; ++i) {
-         struct use *use, *uend;
          union ref var = mkref(RTMP, blk->ins.p[i]);
          struct instr *ins = &instrtab[var.i];
          enum irclass k;