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* [gcc(refs/users/meissner/heads/work078)] Add test case for PR 104253.
@ 2022-02-15 5:01 Michael Meissner
0 siblings, 0 replies; only message in thread
From: Michael Meissner @ 2022-02-15 5:01 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:57fd0f7b604aa5e202a63d32c67f09ad63462f4b
commit 57fd0f7b604aa5e202a63d32c67f09ad63462f4b
Author: Michael Meissner <meissner@linux.ibm.com>
Date: Tue Feb 15 00:01:01 2022 -0500
Add test case for PR 104253.
2022-02-15 Michael Meissner <meissner@the-meissners.org>
gcc/testsuite/
PR target/104253
* gcc.target/powerpc/pr104253.c: New test.
Diff:
---
gcc/testsuite/gcc.target/powerpc/pr104253.c | 156 ++++++++++++++++++++++++++++
1 file changed, 156 insertions(+)
diff --git a/gcc/testsuite/gcc.target/powerpc/pr104253.c b/gcc/testsuite/gcc.target/powerpc/pr104253.c
new file mode 100644
index 00000000000..02049cc978f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr104253.c
@@ -0,0 +1,156 @@
+/*
+ * Require float128 support because __ibm128 currently is not enabled unless we
+ * also have __float128 support. We require software IEEE 128-bit support,
+ * which will work on power8. If we have hardware IEEE 128-bit support (power9
+ * or power10), ppc_float128_sw will still enable running the test.
+ */
+
+/* { dg-do run } */
+/* { require-effective-target ppc_float128_sw } */
+/* { dg-options "-O2 -mvsx -mfloat128" } */
+
+/*
+ * PR target/104253
+ *
+ * Verify that the various conversions to and from __ibm128 work. When the
+ * default for long double is changed to IEEE 128-bit, originally GCC would
+ * call the functions using an 'if' name instead of 'tf' name.
+ */
+
+#include <stdlib.h>
+
+extern float ibm128_to_sf (__ibm128) __attribute__((noinline));
+extern double ibm128_to_df (__ibm128) __attribute__((noinline));
+extern int ibm128_to_si (__ibm128) __attribute__((noinline));
+extern long long ibm128_to_di (__ibm128) __attribute__((noinline));
+extern unsigned int ibm128_to_usi (__ibm128) __attribute__((noinline));
+extern unsigned long long ibm128_to_udi (__ibm128) __attribute__((noinline));
+
+extern __ibm128 sf_to_ibm128 (float) __attribute__((noinline));
+extern __ibm128 df_to_ibm128 (double) __attribute__((noinline));
+extern __ibm128 si_to_ibm128 (int) __attribute__((noinline));
+extern __ibm128 di_to_ibm128 (long long) __attribute__((noinline));
+extern __ibm128 usi_to_ibm128 (unsigned int) __attribute__((noinline));
+extern __ibm128 udi_to_ibm128 (unsigned long long) __attribute__((noinline));
+
+float
+ibm128_to_sf (__ibm128 x)
+{
+ return x;
+}
+
+double
+ibm128_to_df (__ibm128 x)
+{
+ return x;
+}
+
+int
+ibm128_to_si (__ibm128 x)
+{
+ return x;
+}
+
+long long
+ibm128_to_di (__ibm128 x)
+{
+ return x;
+}
+
+unsigned int
+ibm128_to_usi (__ibm128 x)
+{
+ return x;
+}
+
+unsigned long long
+ibm128_to_udi (__ibm128 x)
+{
+ return x;
+}
+
+__ibm128
+sf_to_ibm128 (float x)
+{
+ return x;
+}
+
+__ibm128
+df_to_ibm128 (double x)
+{
+ return x;
+}
+
+__ibm128
+si_to_ibm128 (int x)
+{
+ return x;
+}
+
+__ibm128
+di_to_ibm128 (long long x)
+{
+ return x;
+}
+
+__ibm128
+usi_to_ibm128 (unsigned int x)
+{
+ return x;
+}
+
+__ibm128
+udi_to_ibm128 (unsigned long long x)
+{
+ return x;
+}
+
+volatile float seven_sf = 7.0f;
+volatile double seven_df = 7.0;
+volatile int seven_si = 7;
+volatile long long seven_di = 7LL;
+volatile unsigned int seven_usi = 7U;
+volatile unsigned long long seven_udi = 7ULL;
+volatile __ibm128 seven_ibm128 = 7.0;
+
+int
+main (void)
+{
+ if (seven_ibm128 != sf_to_ibm128 (seven_sf))
+ abort ();
+
+ if (seven_ibm128 != df_to_ibm128 (seven_df))
+ abort ();
+
+ if (seven_ibm128 != si_to_ibm128 (seven_si))
+ abort ();
+
+ if (seven_ibm128 != di_to_ibm128 (seven_di))
+ abort ();
+
+ if (seven_ibm128 != usi_to_ibm128 (seven_usi))
+ abort ();
+
+ if (seven_ibm128 != udi_to_ibm128 (seven_udi))
+ abort ();
+
+ if (seven_sf != ibm128_to_sf (seven_ibm128))
+ abort ();
+
+ if (seven_df != ibm128_to_df (seven_ibm128))
+ abort ();
+
+ if (seven_si != ibm128_to_si (seven_ibm128))
+ abort ();
+
+ if (seven_di != ibm128_to_di (seven_ibm128))
+ abort ();
+
+ if (seven_usi != ibm128_to_usi (seven_ibm128))
+ abort ();
+
+ if (seven_udi != ibm128_to_udi (seven_ibm128))
+ abort ();
+
+ return 0;
+}
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