From 4e4d101caf6b7b6c406bd0b1f4a05ad1146b40c6 Mon Sep 17 00:00:00 2001 From: law Date: Fri, 11 May 2001 22:07:58 +0000 Subject: [PATCH] * gcse.c (insert_insn_end_bb): Do not search for assignments to non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41976 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 3 +++ gcc/gcse.c | 5 +++++ 2 files changed, 8 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d5acce9..5c73642 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com) + * gcse.c (insert_insn_end_bb): Do not search for assignments to + non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE. + * toplev.c (compile_file): Move comment for opening output file to just before the code that opens the output file. diff --git a/gcc/gcse.c b/gcc/gcse.c index 07bdbf5..fa8ec08 100644 --- a/gcc/gcse.c +++ b/gcc/gcse.c @@ -4787,6 +4787,11 @@ insert_insn_end_bb (expr, bb, pre) if (REGNO (XEXP (XEXP (p, 0), 0)) >= FIRST_PSEUDO_REGISTER) abort (); + /* We only care about registers which can hold function + arguments. */ + if (! FUNCTION_ARG_REGNO_P (REGNO (XEXP (XEXP (p, 0), 0)))) + continue; + SET_HARD_REG_BIT (parm_regs, REGNO (XEXP (XEXP (p, 0), 0))); nparm_regs++; } -- 2.7.4