On Thu, 2012-03-15 at 08:12 +0900, Kaz Kojima wrote:
> Oleg Endo <oleg.e...@t-online.de> wrote:
> > I'd like to add an SH target testcase which is supposed to check the
> > usage of the FPUL register when float values are treated as int and vice
> > versa. Does this make sense?
> >
> > Tested against rev 185360 with the usual
> >
> > make -k check RUNTESTFLAGS="--target_board=sh-sim
> > \{-m2/-ml,-m2/-mb,-m2a-single/-mb,
> > -m4-single/-ml,-m4-single/-mb,
> > -m4a-single/-ml,-m4a-single/-mb}"
> >
> > and individually with some of the sub-target variations that do not have
> > an FPU (for which the test is skipped).
>
> ENOPATCH. Sounds a good idea though.
Argh, sorry .. now there is.
Index: gcc/testsuite/gcc.target/sh/fpul-usage-1.c
===================================================================
--- gcc/testsuite/gcc.target/sh/fpul-usage-1.c (revision 0)
+++ gcc/testsuite/gcc.target/sh/fpul-usage-1.c (revision 0)
@@ -0,0 +1,24 @@
+/* Check that the FPUL register is used when reading a float as an int and
+ vice versa, as opposed to pushing and popping the values over the stack. */
+/* { dg-do compile { target "sh*-*-*" } } */
+/* { dg-options "-O1" } */
+/* { dg-skip-if "" { "sh*-*-*" } { "-m1" "-m2" "-m4al" "*nofpu" "-m4-340*" "-m4-400*" "-m4-500*" "-m5*" } { "" } } */
+/* { dg-final { scan-assembler "fpul" } } */
+/* { dg-final { scan-assembler-not "r15" } } */
+
+int
+float_as_int (float val)
+{
+ union { float f; int i; } u;
+ u.f = val;
+ return u.i;
+}
+
+float
+int_as_float (int val)
+{
+ union { float f; int i; } u;
+ u.i = val;
+ return u.f;
+}
+
