* config/rx/predicates.md (rx_store_multiple_vector): Reverse

        order of expected registers.
        (rx_load_multiple_vector): Likewise.
        (rx_rtsd_vector): Likewise.
        * config/rx/rx.c (rx_cpu_type): New variable.
        (rx_print_operand): Fix bug printing 64-bit constant values.
        (rx_emit_stack_pushm): Reverse order of pushed registers.
        (gen_rx_store_vector): Likewise.
        (is_fast_interrupt_func): Only accept "fast_interrupt" as the
        attribute name.
        (is_exception_func): Rename to is_interrupt_func and only accept
        "interrupt" as the attribute name.
        (rx_get_stack_layout): Use new function name.
        (rx_func_attr_inlinable): Likewise.
        (rx_attribute_table): Remove "exception".
        (rx_expand_prologue): If necessary push the accumulator register
        in the prologue of interrupt functions.
        (rx_expand_epilogue): If necessary pop the accumulator.
        (rx_builtins): Add RX_BUILTIN_MVTIPL.
        (rx_expand_builtin_stz): Remove.
        (rx_expand_builtin_mvtipl): New function.
        (rx_init_builtins): Handle RX_BUILTIN_MVTIPL.
        (rx_expand_builtin): Likewise.
        (rx_enable_fpu): New variable.
        (rx_handle_option): Handle -fpu, -nofpu, -mcpu and -patch.
        * config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Assert machine based
        on rx_cpu_type.  Define __RX_FPU_INSNS__ if FPU insns are allowed.
        (enum rx_cpu_types): Define.
        (ASM_SPEC): Pass -m32bit-doubles on to assembler.
        (INCOMING_FRAME_SP_OFFSET): Define.
        (ARG_POINTER_CFA_OFFSET): Define.
        (FRAME_POINTER_CFA_OFFSET): Define.
        (OVERRIDE_OPTIONS): Enable fast math if RX FPU insns are enabled.
        (ALLOW_RX_FPU_INSNS): Define.
        * config/rx/rx.md: Test ALLOW_RX_FPU_INSNS instead of
        fast_math_flags_set_p.
        (UNSPEC_BUILTIN_MVTIPL): Define.
        (revl): Rename to bswapsi2.
        (bswaphi2): New pattern.
        (mvtachi): Mark as volatile because it uses a register unknown to
        GCC.
        (mvtaclo): Likewise.
        (racw): Likewise.
        (mvtc): Remove clobber of cc0.
        (mvtcp): Delete.
        (opecp): Delete.
        * config/rx/rx.opt (mieee): Remove.
        (fpu): Add.
        (nofpu): Add.
        (mcpu=): Add.
        (patch=): Add.
        (msave-acc-in-interrupts): Add.
        * config/rx/t-rx (MULTILIB_OPTIONS): Change default to 64bit
        doubles.
        (MULTILIB_DIRS): Likewise.
        (MULTILIB_MATCHES): Treat -fpu as an alias for -m32bit-doubles.
        * doc/extend.texi: Remove description of "exception" function
        attribute.
        * doc/invoke.texi: Document -fpu, -nofpu, -mcpu=, -patch= and
        -msave-acc-in-interrupts options.

        * gcc.target/rx/builtins,c: Remove redundant tests.
        Add test of MVTIPL instruction.
        * gcc.target/rx/interrupts.c: Use fast_interrupt and interrupt
        function attributes.  Add -msave-acc-in-interrupts option to the
        command line.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@153853 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 19 insertions, 7 deletions

diff --git a/gcc/testsuite/gcc.target/rx/builtins.c b/gcc/testsuite/gcc.target/rx/builtins.c
index 07448024b44..2a6241d7cce 100644
--- a/gcc/testsuite/gcc.target/rx/builtins.c
+++ b/gcc/testsuite/gcc.target/rx/builtins.c
@@ -17,7 +17,6 @@
    to correctly set the psw flags.  */
 
 int saturate_add         (int, int)      __attribute__((__noinline__));
-int subtract_with_borrow (int, int, int) __attribute__((__noinline__));
 int exchange             (int, int)      __attribute__((__noinline__));
 
 int
@@ -33,6 +32,13 @@ saturate_add (int arg1, int arg2)
   return __builtin_rx_sat (arg1);
 }
 
+int
+exchange (int arg1, int arg2)
+{
+  arg1 = __builtin_rx_xchg (arg2);
+  return arg1;
+}
+
 long
 multiply_and_accumulate (long arg1, long arg2, long arg3)
 {
@@ -157,3 +163,9 @@ rmpa (int * multiplicand, int * multiplier, int num)
 {
   __builtin_rx_rmpa ();
 }
+
+void
+set_interrupts (void)
+{
+  __builtin_mvtipl (3);
+}
diff --git a/gcc/testsuite/gcc.target/rx/interrupts.c b/gcc/testsuite/gcc.target/rx/interrupts.c
index 910e870f11b..cdc4903ded8 100644
--- a/gcc/testsuite/gcc.target/rx/interrupts.c
+++ b/gcc/testsuite/gcc.target/rx/interrupts.c
@@ -1,10 +1,10 @@
 /* { dg-do compile } */
-/* { dg-options "-mint-register=3" } */
+/* { dg-options "-mint-register=3 -msave-acc-in-interrupts" } */
 
 /* Verify that the RX specific function attributes work.  */
 
+void fast_interrupt (void) __attribute__((__fast_interrupt__));
 void interrupt (void) __attribute__((__interrupt__));
-void exception (void) __attribute__((__exception__));
 int naked (int) __attribute__((__naked__));
 
 int flag = 0;
@@ -13,16 +13,16 @@ int flag = 0;
    by the -fixed-xxx gcc command line option.  Returns via RTFI.  */
 
 void
-interrupt (void)
+fast_interrupt (void)
 {
   flag = 1;
 }
 
-/* Exception handler.  Must preserve any register it uses, even
+/* Interrupt handler.  Must preserve any register it uses, even
    call clobbered ones.  Returns via RTE.  */
 
 void
-exception (void)
+interrupt (void)
 {
   switch (flag)
     {
diff --git a/gcc/testsuite/gcc.target/rx/rx-abi-function-tests.c b/gcc/testsuite/gcc.target/rx/rx-abi-function-tests.c
index 0c4ec3f6b05..e07ff71a007 100644
--- a/gcc/testsuite/gcc.target/rx/rx-abi-function-tests.c
+++ b/gcc/testsuite/gcc.target/rx/rx-abi-function-tests.c
@@ -1,6 +1,6 @@
 /* { dg-do run } */
 /* { dg-options "-msim" } */
-/* Note: The -msim abiove is actually there to override the default
+/* Note: The -msim above is actually there to override the default
    options which include -ansi -pendantic and -Wlong-long...   */
 
 extern int printf (const char *, ...);