From af2b97c4627bf9f015848f71ccdf1cdef6a36d62 Mon Sep 17 00:00:00 2001 From: Richard Sandiford Date: Mon, 10 Sep 2012 19:40:43 +0000 Subject: [PATCH] ira.c (setup_pressure_classes): Handle synonymous classes. gcc/ * ira.c (setup_pressure_classes): Handle synonymous classes. From-SVN: r191159 --- gcc/ChangeLog | 4 ++++ gcc/ira.c | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 281540f416f1..7c1030c5bf1c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2012-09-10 Richard Sandiford + + * ira.c (setup_pressure_classes): Handle synonymous classes. + 2012-09-10 Marc Glisse * tree-ssa-forwprop.c (simplify_bitfield_ref): New function. diff --git a/gcc/ira.c b/gcc/ira.c index 691614e8d5a6..ad0ae0a8e6ef 100644 --- a/gcc/ira.c +++ b/gcc/ira.c @@ -789,7 +789,7 @@ setup_pressure_classes (void) hard registers and movement between them is costly (e.g. SPARC FPCC registers). We still should consider it as a candidate for a pressure class. */ - && alloc_reg_class_subclasses[cl][0] != LIM_REG_CLASSES) + && alloc_reg_class_subclasses[cl][0] < cl) { /* Check that the moves between any hard registers of the current class are not more expensive for a legal mode -- 2.47.2