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Fix gdb.arch/i386-sse.exp with clang

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gdb.arch/i386-sse.exp fails to run with clang, because of:

 gdb compile failed, /gdbtest/src/gdb/testsuite/gdb.arch/i386-sse.c:56:40: warning:
       passing 'int *' to parameter of type 'unsigned int *' converts between
       pointers to integer types with different sign [-Wpointer-sign]
   if (!x86_cpuid (1, NULL, NULL, NULL, &edx))
                                        ^~~~
 /gdbtest/src/gdb/testsuite/../nat/x86-cpuid.h:35:41: note: passing
       argument to parameter '__edx' here
             unsigned int *__ecx, unsigned int *__edx)
                                               ^
 1 warning generated.

Fix it by declaring edx unsigned.

gdb/testsuite/ChangeLog:

	* gdb.arch/i386-sse.c (have_sse) <edx>: Make unsigned.
This commit is contained in:
Gary Benson
2020-07-13 15:14:07 +01:00
parent 0a5c31d1ac
commit 915771bb8a
2 changed files with 5 additions and 1 deletions
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4
gdb/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2020-07-13 Gary Benson <gbenson@redhat.com>
* gdb.arch/i386-sse.c (have_sse) <edx>: Make unsigned.
2020-07-13 Gary Benson <gbenson@redhat.com> 2020-07-13 Gary Benson <gbenson@redhat.com>
* gdb.base/bigcore.c (main): Use a volatile pointer when * gdb.base/bigcore.c (main): Use a volatile pointer when

2
gdb/testsuite/gdb.arch/i386-sse.c
View File

@ -51,7 +51,7 @@ v4sf_t data[] =
int int
have_sse (void) have_sse (void)
{ {
int edx; unsigned int edx;
if (!x86_cpuid (1, NULL, NULL, NULL, &edx)) if (!x86_cpuid (1, NULL, NULL, NULL, &edx))
return 0; return 0;