From 4817c43b1740e11de6ad2e6074cf2a9c4c1d431c Mon Sep 17 00:00:00 2001
From: Richard Sandiford <rdsandiford@googlemail.com>
Date: Sun, 17 Aug 2008 10:47:40 +0000
Subject: [PATCH] mips.c (mips_save_reg_p): Don't short-circuit rest of
function when handling GLOBAL_POINTER_REGNUM.
gcc/
* config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
of function when handling GLOBAL_POINTER_REGNUM.
From-SVN: r139169
---
gcc/ChangeLog | 5 +++++
gcc/config/mips/mips.c | 10 ++++++----
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index faa92264ee7c..9b3fc6ef69ad 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2008-08-17 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
+ of function when handling GLOBAL_POINTER_REGNUM.
+
2008-08-16 Eric Botcazou <ebotcazou@adacore.com>
PR ada/20548
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index 48daec4175d2..51af59b2f1c3 100644
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -8322,10 +8322,12 @@ mips_global_pointer (void)
static bool
mips_save_reg_p (unsigned int regno)
{
- /* We only need to save $gp if TARGET_CALL_SAVED_GP and only then
- if we have not chosen a call-clobbered substitute. */
- if (regno == GLOBAL_POINTER_REGNUM)
- return TARGET_CALL_SAVED_GP && cfun->machine->global_pointer == regno;
+ /* We need to save $gp if TARGET_CALL_SAVED_GP and if we have not
+ chosen a call-clobbered substitute. */
+ if (TARGET_CALL_SAVED_GP
+ && regno == GLOBAL_POINTER_REGNUM
+ && cfun->machine->global_pointer == regno)
+ return true;
/* Check call-saved registers. */
if ((crtl->saves_all_registers || df_regs_ever_live_p (regno))
--
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