From 1d9fec7937f45dde5e04cac966a2d9a12f2fc15a Mon Sep 17 00:00:00 2001 From: Yiran Wang Date: Tue, 23 Jun 2015 15:33:17 -0700 Subject: Synchronize with google/gcc-4_9 to r224707 (from r214835) Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d --- gcc-4.9/gcc/postreload.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'gcc-4.9/gcc/postreload.c') 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)); } -- cgit v1.2.3