diff options
| author | Vladimir Makarov <vmakarov@redhat.com> | 2019-12-19 21:59:47 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2019-12-19 21:59:47 +0000 |
| commit | a8a728aac26d179b9087760945574a7fb09badea (patch) | |
| tree | 0f836e0eabc09616e277844d7f37fa909c806135 /gcc/lra-constraints.c | |
| parent | 38830e506c4d97d391521249aaf5e942e53e980b (diff) | |
| download | gcc-a8a728aac26d179b9087760945574a7fb09badea.zip gcc-a8a728aac26d179b9087760945574a7fb09badea.tar.gz gcc-a8a728aac26d179b9087760945574a7fb09badea.tar.bz2 | |
re PR target/92905 (Spills float-int union to memory)
2019-12-19 Vladimir Makarov <vmakarov@redhat.com>
PR target/92905
* lra-constraints.c (process_alt_operands): Check offmemok when
processing preferred_reload_class.
2019-12-19 Vladimir Makarov <vmakarov@redhat.com>
PR target/92905
* gcc.target/i386/pr92905.c: New test.
From-SVN: r279596
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index 9e0f50e..a5b4eef 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -2722,11 +2722,24 @@ process_alt_operands (int only_alternative) && (targetm.preferred_output_reload_class (op, this_alternative) == NO_REGS)))) { - if (lra_dump_file != NULL) - fprintf (lra_dump_file, - " %d Non-prefered reload: reject+=%d\n", - nop, LRA_MAX_REJECT); - reject += LRA_MAX_REJECT; + if (offmemok && REG_P (op)) + { + if (lra_dump_file != NULL) + fprintf + (lra_dump_file, + " %d Spill pseudo into memory: reject+=3\n", + nop); + reject += 3; + } + else + { + if (lra_dump_file != NULL) + fprintf + (lra_dump_file, + " %d Non-prefered reload: reject+=%d\n", + nop, LRA_MAX_REJECT); + reject += LRA_MAX_REJECT; + } } if (! (MEM_P (op) && offmemok) |