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[PATCH v2 05/10] testsuite: Add check for unsupported TI ABI PRU features to testsuite
- From: Dimitar Dimitrov <dimitar at dinux dot eu>
- To: gcc-patches at gcc dot gnu dot org
- Cc: Dimitar Dimitrov <dimitar at dinux dot eu>
- Date: Sat, 28 Jul 2018 16:44:44 +0300
- Subject: [PATCH v2 05/10] testsuite: Add check for unsupported TI ABI PRU features to testsuite
- References: <20180728134449.14742-1-dimitar@dinux.eu>
Not all C language features are supported when -mabi=ti option is
used for PRU target.
gcc/testsuite/ChangeLog:
2018-07-27 Dimitar Dimitrov <dimitar@dinux.eu>
* lib/gcc-dg.exp: Filter unsupported features in PRU's TI ABI mode.
* lib/target-utils.exp: Ditto.
* lib/target-supports.exp (check_effective_target_function_pointers,
check_effective_target_large_return_values): New.
Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
---
gcc/testsuite/lib/gcc-dg.exp | 11 +++++++++++
gcc/testsuite/lib/target-supports.exp | 26 ++++++++++++++++++++++++++
gcc/testsuite/lib/target-utils.exp | 8 ++++++++
3 files changed, 45 insertions(+)
diff --git a/gcc/testsuite/lib/gcc-dg.exp b/gcc/testsuite/lib/gcc-dg.exp
index c26d1c73aa0..c061c152f16 100644
--- a/gcc/testsuite/lib/gcc-dg.exp
+++ b/gcc/testsuite/lib/gcc-dg.exp
@@ -405,6 +405,17 @@ proc gcc-dg-prune { system text } {
return "::unsupported::memory full"
}
+ if { [string match "*error: function pointers not supported*" $text]
+ && ![check_effective_target_function_pointers] } {
+ # The format here is important. See dg.exp.
+ return "::unsupported::funcptr"
+ }
+ if { [string match "*error: large return values not supported*" $text]
+ && ![check_effective_target_large_return_values] } {
+ # The format here is important. See dg.exp.
+ return "::unsupported::large return values"
+ }
+
return $text
}
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 5299aaefcc3..711a6db1e97 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -2608,6 +2608,32 @@ proc check_effective_target_ptr32plus { } {
}]
}
+# Return 1 if target supports function pointers, 0 otherwise.
+
+proc check_effective_target_function_pointers { } {
+ if { [istarget pru-*-*] } {
+ return [check_no_compiler_messages func_ptr_avail assembly {
+ #ifdef __PRU_EABI_GNU__
+ #error unsupported
+ #endif
+ }]
+ }
+ return 1
+}
+
+# Return 1 if target supports arbitrarily large return values, 0 otherwise.
+
+proc check_effective_target_large_return_values { } {
+ if { [istarget pru-*-*] } {
+ return [check_no_compiler_messages func_ptr_avail assembly {
+ #ifdef __PRU_EABI_GNU__
+ #error unsupported
+ #endif
+ }]
+ }
+ return 1
+}
+
# Return 1 if we support 32-bit or larger array and structure sizes
# using default options, 0 otherwise. Avoid false positive on
# targets with 20 or 24 bit address spaces.
diff --git a/gcc/testsuite/lib/target-utils.exp b/gcc/testsuite/lib/target-utils.exp
index 732a1827a02..f636be2cb01 100644
--- a/gcc/testsuite/lib/target-utils.exp
+++ b/gcc/testsuite/lib/target-utils.exp
@@ -44,5 +44,13 @@ proc ${tool}_check_unsupported_p { output } {
[string match "*exceeds local store*" $output] } {
return "memory full"
}
+ if { [string match "*error: function pointers not supported*" $output]
+ && ![check_effective_target_function_pointers] } {
+ return "function pointers not supported"
+ }
+ if { [string match "*error: large return values not supported*" $output]
+ && ![check_effective_target_large_return_values] } {
+ return "large return values not supported"
+ }
return ""
}
--
2.11.0