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| author | Yiran Wang <yiran@google.com> | 2015-06-23 15:33:17 -0700 |
|---|---|---|
| committer | Yiran Wang <yiran@google.com> | 2015-06-29 10:56:28 -0700 |
| commit | 1d9fec7937f45dde5e04cac966a2d9a12f2fc15a (patch) | |
| tree | 3fbcd18a379a05fd6d43491a107e1f36bc61b185 /gcc-4.9/gcc/postreload.c | |
| parent | f378ebf14df0952eae870c9865bab8326aa8f137 (diff) | |
| download | toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.gz toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.bz2 toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.zip | |
Synchronize with google/gcc-4_9 to r224707 (from r214835)
Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d
Diffstat (limited to 'gcc-4.9/gcc/postreload.c')
| -rw-r--r-- | gcc-4.9/gcc/postreload.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc-4.9/gcc/postreload.c b/gcc-4.9/gcc/postreload.c index 9bfffe5f4..797668b19 100644 --- a/gcc-4.9/gcc/postreload.c +++ b/gcc-4.9/gcc/postreload.c @@ -493,7 +493,13 @@ reload_cse_simplify_operands (rtx insn, rtx testreg) continue; for (l = v->locs; l; l = l->next) - if (REG_P (l->loc)) + if (REG_P (l->loc) + /* If postreload cse replace an expr in call insn with + frame pointer reg, we will end up getting call (...bp...), + this is wrong for frame pointer shrinkwrapping. */ + && !(frame_pointer_partially_needed + && CALL_P (insn) + && REGNO (l->loc) == HARD_FRAME_POINTER_REGNUM)) SET_HARD_REG_BIT (equiv_regs[i], REGNO (l->loc)); } |