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* Added one new R5900 COP2 test.

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Mon Apr 20 18:36:50 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* t-cop2b.c (test01): Additional COP2 tests (QMFC2/QMTC2/LQ/SQ).
	Don't use $1 ($at) register in inline assembly.
This commit is contained in:
Frank Ch. Eigler 1998-04-20 22:59:16 +00:00
parent fa89ee43a5
commit f61321eaaf
2 changed files with 64 additions and 5 deletions
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5
sim/testsuite/sky/ChangeLog
View File

@ -1,3 +1,8 @@
Mon Apr 20 18:36:50 1998 Frank Ch. Eigler <fche@cygnus.com>
* t-cop2b.c (test01): Additional COP2 tests (QMFC2/QMTC2/LQ/SQ).
Don't use $1 ($at) register in inline assembly.
Mon Apr 20 19:05:41 1998 Jillian Ye <jillian@cygnus.com>
* t-pke2.trc t-pke2.vif1expect : Update the testcase

64
sim/testsuite/sky/t-cop2b.c
View File

@ -31,12 +31,10 @@ void do_test(int ok, const char* test, int line);
void
enable_cop2()
{
asm volatile (".set noat");
asm volatile ("mfc0 $1,$12; dli $2,0x40000000; or $1,$2,$2; mtc0 $1,$12"
asm volatile ("mfc0 $3,$12; dli $2,0x40000000; or $3,$2,$2; mtc0 $3,$12"
: /* no outputs */
: /* no inputs */
: "$1", "$2" /* clobbered */);
asm volatile (".set at");
: "$3", "$2" /* clobbered */);
}
@ -45,7 +43,7 @@ do_test(int ok, const char* test, int line)
{
static int test_num = 0;
printf("[%d @ %d] (%s): ", ++test_num, line, test);
printf("[%3d @ %3d] (%s): ", ++test_num, line, test);
if(ok)
{
num_ok ++;
@ -116,6 +114,61 @@ void test00()
/* test01: test QMFC2/QMTC2 data non-corruption */
void test01()
{
volatile float* data = & data_array[0];
volatile float* data2 = & data_array[4];
/* stuff some initial values */
data[0] = -10.0;
data[1] = +10.0;
data[2] = -20.0;
data[3] = +20.0;
/* save values */
asm volatile ("lq $4,%0; qmtc2 $4,vf01"
: /* no output */
: "m" (data[0]) /* input */
: "$4", "memory" /* clobbered */);
/* test no clobbering */
TEST(data[0] == -10.0f);
TEST(data[1] == +10.0f);
TEST(data[2] == -20.0f);
TEST(data[3] == +20.0f);
/* overwrite with VU constants */
asm volatile ("qmfc2 $4,vf00; sq $4,%0"
: /* no outputs */
: "m" (data[0]) /* input */
: "$4", "memory" /* clobbered */);
/* test proper values */
TEST(data[0] == 0.0f);
TEST(data[1] == 0.5f);
TEST(data[2] == -1.0f);
TEST(data[3] == +1.0f);
/* read back original array values */
asm volatile ("qmfc2 $4,vf01; sq $4,%0"
: /* no outputs */
: "m" (data2[0]) /* input */
: "$4", "memory" /* clobbered */);
/* printf("%f,%f,%f,%f\n", data2[0], data2[1], data2[2], data2[3]); */
/* test proper values */
TEST(data2[0] == -10.0f);
TEST(data2[1] == +10.0f);
TEST(data2[2] == -20.0f);
TEST(data2[3] == +20.0f);
}
/* Mainline */
@ -125,6 +178,7 @@ int main()
/* tests */
test00();
test01();
/* summarize */