* cfgcleanup.c (try_head_merge_bb): If get_condition returns
NULL for a jump that is a cc0 insn, pick the previous insn for
move_before.
* gcc.c-torture/compile/
20110913-1.c: New test.
From-SVN: r178834
+2011-09-13 Bernd Schmidt <bernds@codesourcery.com>
+
+ * cfgcleanup.c (try_head_merge_bb): If get_condition returns
+ NULL for a jump that is a cc0 insn, pick the previous insn for
+ move_before.
+
2011-09-13 Richard Sandiford <rdsandiford@googlemail.com>
* config/v850/v850.md: Use match_test rather than eq/ne symbol_ref
cond = get_condition (jump, &move_before, true, false);
if (cond == NULL_RTX)
- move_before = jump;
+ {
+#ifdef HAVE_cc0
+ if (reg_mentioned_p (cc0_rtx, jump))
+ move_before = prev_nonnote_nondebug_insn (jump);
+ else
+#endif
+ move_before = jump;
+ }
for (ix = 0; ix < nedges; ix++)
if (EDGE_SUCC (bb, ix)->dest == EXIT_BLOCK_PTR)
jump = BB_END (final_dest_bb);
cond = get_condition (jump, &move_before, true, false);
if (cond == NULL_RTX)
- move_before = jump;
+ {
+#ifdef HAVE_cc0
+ if (reg_mentioned_p (cc0_rtx, jump))
+ move_before = prev_nonnote_nondebug_insn (jump);
+ else
+#endif
+ move_before = jump;
+ }
}
do
+2011-09-13 Bernd Schmidt <bernds@codesourcery.com>
+
+ * gcc.c-torture/compile/20110913-1.c: New test.
+
2011-09-13 Janus Weil <janus@gcc.gnu.org>
PR fortran/50379
--- /dev/null
+struct ieee754_double {
+ double d;
+};
+extern const float __exp_deltatable[178];
+float __ieee754_expf (float x)
+{
+ static const float himark = 88.72283935546875;
+ static const float lomark = -103.972084045410;
+ if (__builtin_isless(x, himark) && __builtin_isgreater(x, lomark))
+ {
+ int tval;
+ double x22, t, result, dx;
+ float delta;
+ struct ieee754_double ex2_u;
+ dx -= t;
+ tval = (int) (t * 512.0);
+ if (t >= 0)
+ delta = - __exp_deltatable[tval];
+ else
+ delta = __exp_deltatable[-tval];
+ x22 = (0.5000000496709180453 * dx + 1.0000001192102037084) * dx + delta;
+ result = x22 * ex2_u.d + ex2_u.d;
+ return (float) result;
+ }
+ return x;
+}