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| author | Richard Sandiford <rdsandiford@googlemail.com> | 2012-09-10 19:40:43 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2012-09-10 19:40:43 +0000 |
| commit | af2b97c4627bf9f015848f71ccdf1cdef6a36d62 (patch) | |
| tree | fc6b458839f38c7bceeb354a9fa90307d7056dd7 | |
| parent | 881a9dcdef0b5350bb535faa59488cfc9d7a1eeb (diff) | |
| download | gcc-af2b97c4627bf9f015848f71ccdf1cdef6a36d62.zip gcc-af2b97c4627bf9f015848f71ccdf1cdef6a36d62.tar.gz gcc-af2b97c4627bf9f015848f71ccdf1cdef6a36d62.tar.bz2 | |
ira.c (setup_pressure_classes): Handle synonymous classes.
gcc/
* ira.c (setup_pressure_classes): Handle synonymous classes.
From-SVN: r191159
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/ira.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 281540f..7c1030c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2012-09-10 Richard Sandiford <rdsandiford@googlemail.com> + + * ira.c (setup_pressure_classes): Handle synonymous classes. + 2012-09-10 Marc Glisse <marc.glisse@inria.fr> * tree-ssa-forwprop.c (simplify_bitfield_ref): New function. @@ -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 |