From 44e13e607f63ef73c75cd64b041f24b0eeafd992 Mon Sep 17 00:00:00 2001 From: Pat Haugen Date: Thu, 14 Sep 2017 18:29:44 +0000 Subject: rs6000.c (rs6000_set_up_by_prologue): Make sure the TOC reg (r2) isn't in the set of registers defined in the prologue. * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): Make sure the TOC reg (r2) isn't in the set of registers defined in the prologue. * gcc.target/powerpc/r2_shrink-wrap.c: New. From-SVN: r252768 --- gcc/config/rs6000/rs6000.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'gcc/config') diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 3fee228..6dd726e 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -37804,6 +37804,11 @@ rs6000_set_up_by_prologue (struct hard_reg_set_container *set) add_to_hard_reg_set (&set->set, Pmode, RS6000_PIC_OFFSET_TABLE_REGNUM); if (cfun->machine->split_stack_argp_used) add_to_hard_reg_set (&set->set, Pmode, 12); + + /* Make sure the hard reg set doesn't include r2, which was possibly added + via PIC_OFFSET_TABLE_REGNUM. */ + if (TARGET_TOC) + remove_from_hard_reg_set (&set->set, Pmode, TOC_REGNUM); } -- cgit v1.1