From 9ddc1858da9ed84c0171feaf01f18413d0732807 Mon Sep 17 00:00:00 2001
From: rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 6 Feb 2002 18:16:02 +0000
Subject: [PATCH] * cfganal.c (keep_with_call_p): Source for fixed_reg
dest must be a general_operand. Dest for function value must be a
pseudo.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@49547 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 5 +++++
gcc/cfganal.c | 7 +++++--
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5aaad73fc40b..f9b074459de1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2002-02-06 Richard Henderson <rth@redhat.com>
+
+ * cfganal.c (keep_with_call_p): Source for fixed_reg dest must
+ be a general_operand. Dest for function value must be a pseudo.
+
2002-02-06 Nick Clifton <nickc@cambridge.redhat.com>
* dbxout.c (dbxout_symbol_location): Accept LABEL_REFs as well
diff --git a/gcc/cfganal.c b/gcc/cfganal.c
index 6a10236dfc97..17db86e2a2cf 100644
--- a/gcc/cfganal.c
+++ b/gcc/cfganal.c
@@ -224,10 +224,13 @@ keep_with_call_p (insn)
if (INSN_P (insn) && (set = single_set (insn)) != NULL)
{
if (GET_CODE (SET_DEST (set)) == REG
- && fixed_regs[REGNO (SET_DEST (set))])
+ && fixed_regs[REGNO (SET_DEST (set))]
+ && general_operand (SET_SRC (set)))
return true;
if (GET_CODE (SET_SRC (set)) == REG
- && FUNCTION_VALUE_REGNO_P (REGNO (SET_SRC (set))))
+ && FUNCTION_VALUE_REGNO_P (REGNO (SET_SRC (set)))
+ && GET_CODE (SET_DEST (set)) == REG
+ && REGNO (SET_DEST (set)) >= FIRST_PSEUDO_REGISTER)
return true;
}
return false;
--
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