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| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/stmt.c | 16 |
2 files changed, 13 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9544c3c..aea6f59 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2010-11-20 Jan Hubicka <jh@suse.cz> + + * stmt.c (lshift_cheap_p): Support properly optimize_insn_for_speed_p. + 2010-11-20 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> PR other/46202 @@ -2122,19 +2122,21 @@ struct case_bit_test static bool lshift_cheap_p (void) { - static bool init = false; - static bool cheap = true; + static bool init[2] = {false, false}; + static bool cheap[2] = {true, true}; - if (!init) + bool speed_p = optimize_insn_for_speed_p (); + + if (!init[speed_p]) { rtx reg = gen_rtx_REG (word_mode, 10000); int cost = rtx_cost (gen_rtx_ASHIFT (word_mode, const1_rtx, reg), SET, - optimize_insn_for_speed_p ()); - cheap = cost < COSTS_N_INSNS (3); - init = true; + speed_p); + cheap[speed_p] = cost < COSTS_N_INSNS (3); + init[speed_p] = true; } - return cheap; + return cheap[speed_p]; } /* Comparison function for qsort to order bit tests by decreasing |