From fd1e5d25e3f39f8ebfc8c3486288f3700d526e98 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@redhat.com>
Date: Tue, 1 Oct 2002 13:49:39 -0700
Subject: [PATCH] calls.c (precompute_register_parameters): Force
non-legitimate constants into pseudos.
* calls.c (precompute_register_parameters): Force non-legitimate
constants into pseudos.
* gcc.dg/tls/opt-3.c: New.
From-SVN: r57709
---
gcc/ChangeLog | 5 +++++
gcc/calls.c | 6 ++++++
gcc/testsuite/gcc.dg/tls/opt-3.c | 10 ++++++++++
3 files changed, 21 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/tls/opt-3.c
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4af6f0fe95fe..a4a53a410a9f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2002-10-01 Richard Henderson <rth@redhat.com>
+
+ * calls.c (precompute_register_parameters): Force non-legitimate
+ constants into pseudos.
+
2002-10-01 Nick Clifton <nickc@redhat.com>
* config/rs6000/spe.md (spe_evrlwi): Add missing third operand
diff --git a/gcc/calls.c b/gcc/calls.c
index ffedacabbb05..d706751c1626 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -876,6 +876,12 @@ precompute_register_parameters (num_actuals, args, reg_parm_seen)
emit_queue ();
}
+ /* If the value is a non-legitimate constant, force it into a
+ pseudo now. TLS symbols sometimes need a call to resolve. */
+ if (CONSTANT_P (args[i].value)
+ && !LEGITIMATE_CONSTANT_P (args[i].value))
+ args[i].value = force_reg (args[i].mode, args[i].value);
+
/* If we are to promote the function arg to a wider mode,
do it now. */
diff --git a/gcc/testsuite/gcc.dg/tls/opt-3.c b/gcc/testsuite/gcc.dg/tls/opt-3.c
new file mode 100644
index 000000000000..0e56991400c4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tls/opt-3.c
@@ -0,0 +1,10 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fpic } */
+/* { dg-options "-O2 -fpic -mregparm=3" { target i?86-*-* } } */
+
+extern __thread int i, j, k;
+extern void bar(int *, int *, int *);
+void foo(void)
+{
+ bar(&i, &j, &k);
+}
--
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