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* [gcc(refs/users/meissner/heads/work018)] PowerPC: Improve ibm/ieee 128-bit error messages.
@ 2020-09-18 18:09 Michael Meissner
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From: Michael Meissner @ 2020-09-18 18:09 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:33918a9115fe79aed3477602fd5d2578d2d54333
commit 33918a9115fe79aed3477602fd5d2578d2d54333
Author: Michael Meissner <meissner@linux.ibm.com>
Date: Fri Sep 18 14:08:04 2020 -0400
PowerPC: Improve ibm/ieee 128-bit error messages.
gcc/
2020-09-18 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/rs6000.c (rs6000_invalid_binary_op): Update error
messages about mixing IBM long double and IEEE 128-bit.
gcc/testsuite/
2020-09-18 Michael Meissner <meissner@linux.ibm.com>
* gcc.target/powerpc/bfp/scalar-extract-exp-4.c: Update failure
messages.
* gcc.target/powerpc/bfp/scalar-extract-sig-4.c: Update failure
messages.
* gcc.target/powerpc/bfp/scalar-test-data-class-11.c: Update
failure messages.
* gcc.target/powerpc/bfp/scalar-test-neg-5.c: Update failure
messages.
* gcc.target/powerpc/float128-mix-2.c: New test.
* gcc.target/powerpc/float128-mix-3.c: New test.
* gcc.target/powerpc/float128-mix.c: Update failure messages.
Diff:
---
gcc/config/rs6000/rs6000.c | 20 ++++----------------
| 4 +---
| 2 +-
.../powerpc/bfp/scalar-test-data-class-11.c | 2 +-
.../gcc.target/powerpc/bfp/scalar-test-neg-5.c | 2 +-
gcc/testsuite/gcc.target/powerpc/float128-mix-2.c | 17 +++++++++++++++++
gcc/testsuite/gcc.target/powerpc/float128-mix-3.c | 17 +++++++++++++++++
gcc/testsuite/gcc.target/powerpc/float128-mix.c | 19 +++++++++++--------
8 files changed, 53 insertions(+), 30 deletions(-)
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 0ff0f31d552..97f535f0018 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -14352,22 +14352,10 @@ rs6000_invalid_binary_op (int op ATTRIBUTE_UNUSED,
if (!TARGET_FLOAT128_CVT)
{
- if ((mode1 == KFmode && mode2 == IFmode)
- || (mode1 == IFmode && mode2 == KFmode))
- return N_("__float128 and __ibm128 cannot be used in the same "
- "expression");
-
- if (TARGET_IEEEQUAD
- && ((mode1 == IFmode && mode2 == TFmode)
- || (mode1 == TFmode && mode2 == IFmode)))
- return N_("__ibm128 and long double cannot be used in the same "
- "expression");
-
- if (!TARGET_IEEEQUAD
- && ((mode1 == KFmode && mode2 == TFmode)
- || (mode1 == TFmode && mode2 == KFmode)))
- return N_("__float128 and long double cannot be used in the same "
- "expression");
+ if ((FLOAT128_IEEE_P (mode1) && FLOAT128_IBM_P (mode2))
+ || (FLOAT128_IBM_P (mode1) && FLOAT128_IEEE_P (mode2)))
+ return N_("Invalid mixing of IEEE 128-bit and IBM 128-bit floating "
+ "point types");
}
return NULL;
--git a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-exp-4.c b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-exp-4.c
index 850ff620490..2065a287bb3 100644
--- a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-exp-4.c
+++ b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-exp-4.c
@@ -11,7 +11,5 @@ get_exponent (__ieee128 *p)
{
__ieee128 source = *p;
- return __builtin_vec_scalar_extract_exp (source); /* { dg-error "'__builtin_vsx_scalar_extract_expq' requires" } */
+ return __builtin_vec_scalar_extract_exp (source); /* { dg-error "'__builtin_vsx_scalar_extract_exp.*' requires" } */
}
-
-
--git a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-sig-4.c b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-sig-4.c
index 32a53c6fffd..37bc8332961 100644
--- a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-sig-4.c
+++ b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-extract-sig-4.c
@@ -11,5 +11,5 @@ get_significand (__ieee128 *p)
{
__ieee128 source = *p;
- return __builtin_vec_scalar_extract_sig (source); /* { dg-error "'__builtin_vsx_scalar_extract_sigq' requires" } */
+ return __builtin_vec_scalar_extract_sig (source); /* { dg-error "'__builtin_vsx_scalar_extract_sig.*' requires" } */
}
diff --git a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-test-data-class-11.c b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-test-data-class-11.c
index 7c6fca2b729..ec3118792c4 100644
--- a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-test-data-class-11.c
+++ b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-test-data-class-11.c
@@ -10,5 +10,5 @@ test_data_class (__ieee128 *p)
{
__ieee128 source = *p;
- return __builtin_vec_scalar_test_data_class (source, 3); /* { dg-error "'__builtin_vsx_scalar_test_data_class_qp' requires" } */
+ return __builtin_vec_scalar_test_data_class (source, 3); /* { dg-error "'__builtin_vsx_scalar_test_data_class_.*' requires" } */
}
diff --git a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-test-neg-5.c b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-test-neg-5.c
index bab86040a7b..eb9cacf8c50 100644
--- a/gcc/testsuite/gcc.target/powerpc/bfp/scalar-test-neg-5.c
+++ b/gcc/testsuite/gcc.target/powerpc/bfp/scalar-test-neg-5.c
@@ -10,5 +10,5 @@ test_neg (__ieee128 *p)
{
__ieee128 source = *p;
- return __builtin_vec_scalar_test_neg_qp (source); /* { dg-error "'__builtin_vsx_scalar_test_neg_qp' requires" } */
+ return __builtin_vec_scalar_test_neg_qp (source); /* { dg-error "'__builtin_vsx_scalar_test_neg_.*' requires" } */
}
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-mix-2.c b/gcc/testsuite/gcc.target/powerpc/float128-mix-2.c
new file mode 100644
index 00000000000..b88102118a9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/float128-mix-2.c
@@ -0,0 +1,17 @@
+/* { dg-do compile { target { powerpc*-*-linux* } } } */
+/* { dg-require-effective-target ppc_float128_sw } */
+/* { dg-options "-O2 -mvsx -Wno-psabi -mabi=ieeelongdouble -mlong-double-128" } */
+
+/* Test to make sure that __float128 and long double do not generate errors if
+ long double uses the IEEE 128-bit format. */
+__float128
+add (__float128 a, long double b)
+{
+ return a+b;
+}
+
+long double
+sub (long double a, __float128 b)
+{
+ return a-b;
+}
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-mix-3.c b/gcc/testsuite/gcc.target/powerpc/float128-mix-3.c
new file mode 100644
index 00000000000..13fbe7fd08a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/float128-mix-3.c
@@ -0,0 +1,17 @@
+/* { dg-do compile { target { powerpc*-*-linux* } } } */
+/* { dg-require-effective-target ppc_float128_sw } */
+/* { dg-options "-O2 -mvsx" } */
+
+/* Test to make sure that __float128 and __ibm128 cannot be combined
+ together. */
+__float128
+add (__float128 a, __ibm128 b)
+{
+ return a+b; /* { dg-error "IEEE 128-bit and IBM 128-bit floating point" } */
+}
+
+__ibm128
+sub (__ibm128 a, __float128 b)
+{
+ return a-b; /* { dg-error "IEEE 128-bit and IBM 128-bit floating point" } */
+}
diff --git a/gcc/testsuite/gcc.target/powerpc/float128-mix.c b/gcc/testsuite/gcc.target/powerpc/float128-mix.c
index 71f840c9490..eb8e6ac27bc 100644
--- a/gcc/testsuite/gcc.target/powerpc/float128-mix.c
+++ b/gcc/testsuite/gcc.target/powerpc/float128-mix.c
@@ -1,15 +1,18 @@
/* { dg-do compile { target { powerpc*-*-linux* } } } */
-/* { dg-require-effective-target powerpc_vsx_ok } */
-/* { dg-options "-O2 -mvsx" } */
+/* { dg-require-effective-target ppc_float128_sw } */
+/* { dg-options "-O2 -mvsx -Wno-psabi -mabi=ibmlongdouble -mlong-double-128" } */
-
-/* Test to make sure that __float128 and long double cannot be combined together. */
-__float128 add (__float128 a, long double b)
+/* Test to make sure that __float128 and long double cannot be combined
+ together, when long double uses the IBM extended double format, and
+ __float128 uses the IEEE 128-bit format. */
+__float128
+add (__float128 a, long double b)
{
- return a+b; /* { dg-error "__float128 and long double cannot be used in the same expression" } */
+ return a+b; /* { dg-error "IEEE 128-bit and IBM 128-bit floating point" } */
}
-__ibm128 sub (long double a, __float128 b)
+long double
+sub (long double a, __float128 b)
{
- return a-b; /* { dg-error "__float128 and long double cannot be used in the same expression" } */
+ return a-b; /* { dg-error "IEEE 128-bit and IBM 128-bit floating point" } */
}
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