From 37684c463383390f1497f506c4cbf99c40b83cac Mon Sep 17 00:00:00 2001 From: Vladimir Makarov Date: Thu, 6 Jun 2013 21:12:06 +0000 Subject: [PATCH] re PR rtl-optimization/57468 (26% performance drop on important benchmark after r199298.) 2013-06-06 Vladimir Makarov PR rtl-optimization/57468 * config/i386/i386.c (inline_secondary_memory_needed): Ignore spilled pseudos. From-SVN: r199764 --- gcc/ChangeLog | 6 ++++++ gcc/config/i386/i386.c | 2 ++ 2 files changed, 8 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index aa76576aae5..e4ebfa775eb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2013-06-06 Vladimir Makarov + + PR rtl-optimization/57468 + * config/i386/i386.c (inline_secondary_memory_needed): Ignore + spilled pseudos. + 2013-06-06 Vladimir Makarov PR rtl-optimization/57459 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 77962c14521..5f6a5d582f8 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -33951,6 +33951,8 @@ static inline bool inline_secondary_memory_needed (enum reg_class class1, enum reg_class class2, enum machine_mode mode, int strict) { + if (lra_in_progress && (class1 == NO_REGS || class2 == NO_REGS)) + return false; if (MAYBE_FLOAT_CLASS_P (class1) != FLOAT_CLASS_P (class1) || MAYBE_FLOAT_CLASS_P (class2) != FLOAT_CLASS_P (class2) || MAYBE_SSE_CLASS_P (class1) != SSE_CLASS_P (class1) -- 2.30.2