invoke.texi: Document -mTLS.

* doc/invoke.texi: Document -mTLS.

	* testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
	* testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
	* testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
	* testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
	* testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
	* testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
	* testsuite/gcc.target/frv/all-tls-local-exec.c: New.
	* testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.

	* configure.ac: Check for a TLS capable gas.

	* configure: Regenerate.

From-SVN: r94283

gcc/ChangeLog

@@ -1,3 +1,19 @@
+2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
+
+	* doc/invoke.texi: Document -mTLS.
+
+	* testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
+	* testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
+	* testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
+	* testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
+	* testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
+	* testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
+	* testsuite/gcc.target/frv/all-tls-local-exec.c: New.
+	* testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
+
+	* configure.ac: Check for a TLS capable gas.
+
+	* configure: Regenerate.
 2005-01-26  Richard Henderson  <rth@redhat.com>
 
 	PR middle-end/18008

gcc/configure

@@ -13690,6 +13690,15 @@ foo:	.long	25
 	tls_first_minor=13
 	tls_as_opt=--fatal-warnings
 	;;
+  frv*-*-*)
+    conftest_s='
+	.section ".tdata","awT",@progbits
+x:      .long   25
+        .text
+        call    #gettlsoff(x)'
+	tls_first_major=2
+	tls_first_minor=14
+	;;
   i[34567]86-*-*)
     conftest_s='
 	.section ".tdata","awT",@progbits

gcc/configure.ac

@@ -2279,6 +2279,15 @@ foo:	.long	25
 	tls_first_minor=13
 	tls_as_opt=--fatal-warnings
 	;;
+  frv*-*-*)
+    conftest_s='
+	.section ".tdata","awT",@progbits
+x:      .long   25
+        .text
+        call    #gettlsoff(x)'
+	tls_first_major=2
+	tls_first_minor=14
+	;;
   i[34567]86-*-*)
     conftest_s='
 	.section ".tdata","awT",@progbits

gcc/doc/invoke.texi

@@ -461,6 +461,7 @@ Objective-C and Objective-C++ Dialects}.
 -mvliw-branch  -mno-vliw-branch @gol
 -mmulti-cond-exec  -mno-multi-cond-exec  -mnested-cond-exec @gol
 -mno-nested-cond-exec  -mtomcat-stats @gol
+-mTLS -mtls @gol
 -mcpu=@var{cpu}}
 
 @emph{H8/300 Options}
@@ -7872,6 +7873,16 @@ shared libraries (i.e., @option{-fPIC} or @option{-fpic}), or when an
 optimization option such as @option{-O3} or above is present in the
 command line.
 
+@item -mTLS
+@opindex TLS
+
+Assume a large TLS segment when generating thread-local code.
+
+@item -mtls
+@opindex tls
+
+Do not assume a large TLS segment when generating thread-local code.
+
 @item -mgprel-ro
 @opindex mgprel-ro
 

gcc/testsuite/gcc.target/frv/all-tls-global-dynamic.c

@@ -0,0 +1,12 @@
+/* { dg-options "-ftls-model=global-dynamic -fpic -mfdpic -mno-inline-plt" } */
+/* { dg-do compile } */
+extern __thread int x;
+extern void bar ();
+int *y;
+
+void foo (void)
+{
+  bar ();
+  y = &x;
+}
+/* { dg-final { scan-assembler "call #gettlsoff.x." } } */

gcc/testsuite/gcc.target/frv/all-tls-initial-exec-pic.c

@@ -0,0 +1,12 @@
+/* { dg-options "-ftls-model=initial-exec -fpic -mfdpic" } */
+/* { dg-do compile } */
+extern __thread int x;
+extern void bar ();
+int *y;
+
+void foo (void)
+{
+  bar ();
+  y = &x;
+}
+/* { dg-final { scan-assembler "ld.*#gottlsoff12" } } */

gcc/testsuite/gcc.target/frv/all-tls-initial-exec.c

@@ -0,0 +1,12 @@
+/* { dg-options "-ftls-model=initial-exec -mfdpic" } */
+/* { dg-do compile } */
+extern __thread int x;
+extern void bar ();
+int *y;
+
+void foo (void)
+{
+  bar ();
+  y = &x;
+}
+/* { dg-final { scan-assembler "ld.*#tlsoff.x.@" } } */

gcc/testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c

@@ -0,0 +1,13 @@
+/* { dg-options "-ftls-model=local-dynamic -minline-plt -fpic -mfdpic" } */
+/* { dg-do compile } */
+static __thread int x;
+extern void bar ();
+int *y;
+
+void foo (void)
+{
+  bar ();
+  y = &x;
+}
+/* { dg-final { scan-assembler "lddi.*gottlsdesc12" } } */
+/* { dg-final { scan-assembler "calll.*#gettlsoff\\(0\\)" } } */

gcc/testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c

@@ -0,0 +1,12 @@
+/* { dg-options "-ftls-model=local-dynamic -minline-plt -fPIC -mfdpic" } */
+/* { dg-do compile } */
+static __thread int x;
+extern void bar ();
+int *y;
+
+void foo (void)
+{
+  bar ();
+  y = &x;
+}
+/* { dg-final { scan-assembler "ldd.*tlsdesc\\(0\\)@" } } */

gcc/testsuite/gcc.target/frv/all-tls-local-dynamic.c

@@ -0,0 +1,13 @@
+/* { dg-options "-ftls-model=local-dynamic -fpic -mfdpic" } */
+/* { dg-do compile } */
+static __thread int x;
+extern void bar ();
+int *y;
+
+void foo (void)
+{
+  bar ();
+  y = &x;
+}
+/* { dg-final { scan-assembler "gettlsoff\\(0\\)" } } */
+/* { dg-final { scan-assembler "tlsmoff12" } } */

gcc/testsuite/gcc.target/frv/all-tls-local-exec-TLS.c

@@ -0,0 +1,12 @@
+/* { dg-options "-ftls-model=local-exec -mfdpic -mTLS" } */
+/* { dg-do compile } */
+static __thread int x;
+extern void bar ();
+int *y;
+
+void foo (void)
+{
+  bar ();
+  y = &x;
+}
+/* { dg-final { scan-assembler "sethi.*tlsmoffhi\\(x\\)," } } */

gcc/testsuite/gcc.target/frv/all-tls-local-exec.c

@@ -0,0 +1,12 @@
+/* { dg-options "-ftls-model=local-exec -mfdpic" } */
+/* { dg-do compile } */
+static __thread int x;
+extern void bar ();
+int *y;
+
+void foo (void)
+{
+  bar ();
+  y = &x;
+}
+/* { dg-final { scan-assembler ".*tlsmoff12" } } */