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authorAlan Modra <amodra@gmail.com>2010-10-01 12:53:46 +0930
committerAlan Modra <amodra@gcc.gnu.org>2010-10-01 12:53:46 +0930
commitd7e7073f49833266e6edf06da6ca283a824799a4 (patch)
tree9425d20e125a4e958f2e235f56b1404ea90c40ad /gcc/config/rs6000
parentc98b08ff4b57a5b9755d84c808618d77c4e90bad (diff)
downloadgcc-d7e7073f49833266e6edf06da6ca283a824799a4.tar.gz
re PR target/45807 (Lying eh_frame r2 save info causes crashes with static libgcc_eh and libstdc++)
PR target/45807 * config/rs6000/rs6000.c (rs6000_emit_prologue): Properly sign extend toc_restore_insn. From-SVN: r164825
Diffstat (limited to 'gcc/config/rs6000')
-rw-r--r--gcc/config/rs6000/rs6000.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 6399cab0d31..0b058d396ef 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -20234,8 +20234,8 @@ rs6000_emit_prologue (void)
be updated if we arrived at this function via a plt call or
toc adjusting stub. */
emit_move_insn (tmp_reg_si, gen_rtx_MEM (SImode, tmp_reg));
- toc_restore_insn = ((TARGET_32BIT ? 0x80410014 : 0xE8410028)
- ^ 0x80000000) - 0x80000000;
+ toc_restore_insn = TARGET_32BIT ? 0x80410014 : 0xE8410028;
+ toc_restore_insn = (toc_restore_insn ^ 0x80000000) - 0x80000000;
emit_insn (gen_xorsi3 (tmp_reg_si, tmp_reg_si,
GEN_INT (toc_restore_insn & ~0xffff)));
compare_result = gen_rtx_REG (CCUNSmode, CR0_REGNO);