[testsuite, committed] Use relative line number in unroll-5.c

[Tom de Vries]

[ was: Re: [C/C++] Add support for #pragma GCC unroll v3 ]

On 11/25/2017 11:15 AM, Eric Botcazou wrote:

Index: testsuite/c-c++-common/unroll-5.c
===================================================================
--- testsuite/c-c++-common/unroll-5.c   (revision 0)
+++ testsuite/c-c++-common/unroll-5.c   (working copy)
@@ -0,0 +1,29 @@
+/* { dg-do compile } */
+
+extern void bar (int);
+
+int j;
+
+void test (void)
+{
+  #pragma GCC unroll 4+4
+  for (unsigned long i = 1; i <= 8; ++i)
+    bar(i);
+
+  #pragma GCC unroll -1        /* { dg-error "requires an assignment-expression 
that evaluates to a non-negative integral constant less than or equal to" } */
+  for (unsigned long i = 1; i <= 8; ++i)
+    bar(i);
+
+  #pragma GCC unroll 20000000000       /* { dg-error "requires an 
assignment-expression that evaluates to a non-negative integral constant less than or 
equal to" } */
+  for (unsigned long i = 1; i <= 8; ++i)
+    bar(i);
+
+  #pragma GCC unroll j /* { dg-error "requires an assignment-expression that 
evaluates to a non-negative integral constant less than or equal to" } */
+                        /* { dg-error "cannot appear in a constant-expression|is not usable 
in a constant expression" "" { target c++ } 21 } */
+  for (unsigned long i = 1; i <= 8; ++i)
+    bar(i);
+
+  #pragma GCC unroll  4.2      /* { dg-error "requires an assignment-expression 
that evaluates to a non-negative integral constant less than or equal to" } */
+  for (unsigned long i = 1; i <= 8; ++i)
+    bar(i);
+}

Hi,

this patch changes the absolute line number into a relative one.

Tested on x86_64 and committed.

Thanks,
- Tom

Use relative line number in unroll-5.c

2017-12-26  Tom de Vries  <t...@codesourcery.com>

	* c-c++-common/unroll-5.c: Use relative line number.

---
 gcc/testsuite/c-c++-common/unroll-5.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/testsuite/c-c++-common/unroll-5.c b/gcc/testsuite/c-c++-common/unroll-5.c
index 754f3b1..b728066 100644
--- a/gcc/testsuite/c-c++-common/unroll-5.c
+++ b/gcc/testsuite/c-c++-common/unroll-5.c
@@ -19,7 +19,7 @@ void test (void)
     bar(i);
 
   #pragma GCC unroll j	/* { dg-error "requires an assignment-expression that evaluates to a non-negative integral constant less than" } */
-                        /* { dg-error "cannot appear in a constant-expression|is not usable in a constant expression" "" { target c++ } 21 } */
+                        /* { dg-error "cannot appear in a constant-expression|is not usable in a constant expression" "" { target c++ } .-1 } */
   for (unsigned long i = 1; i <= 8; ++i)
     bar(i);