* New R5900 COP2 test case.

This commit is contained in:
Frank Ch. Eigler 1998-04-17 19:04:41 +00:00
parent 216c36d92b
commit aa4d43968a
5 changed files with 150 additions and 5 deletions

View file

@ -212,6 +212,7 @@ sce_test9_out_gif.dat
sky.ld
t-cop2.s
t-cop2.vuexpect
t-cop2b.c
t-dma.c
t-pke2.trc
t-pke2.vif1expect

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@ -1,3 +1,9 @@
Fri Apr 17 14:47:53 1998 Frank Ch. Eigler <fche@cygnus.com>
* t-cop2b.c: New test for COP2 via inline asm.
* Makefile.in: Build t-cop2b.
* t-cop2.s: Update for new VCALLMSR instruction.
Thu Apr 16 15:05:51 1998 Jillian Ye <jillian@cygnus.com>
* t-pke2.trc t-pke2.vif1expect : Update the testcase

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@ -109,7 +109,7 @@ TESTS = \
tsv408_0.ok tsv408_1.ok \
tsv416_0.ok tsv416_1.ok \
tsv432_0.ok tsv432_1.ok \
t-cop2.vuok
t-cop2.vuok t-cop2b.ok
#SCE_TESTS := $(patsubst %.dvpasm, %.ok, $(wildcard sce*.dvpasm))
SCE_TESTS = \
@ -139,13 +139,13 @@ sanity:
@eval echo GCC_FOR_TARGET = $(GCC_FOR_TARGET)
@eval echo DVPAS_FOR_TARGET = $(DVPAS_FOR_TARGET)
@eval echo DVPOBJCP_FOR_TARGET = $(DVPOBJCP_FOR_TARGET)
#------------------------------------
# Rules for building and running the SCE tests :
#------------------------------------
LDFLAGS=-T$(srcdir)/sky.ld
CFLAGS += -I$(srcdir)
CFLAGS += -g -I$(srcdir)
ASFLAGS = -I$(srcdir)
sce%.exe: sce%.o sce_main.o refresh.o
@ -217,7 +217,7 @@ sce%.ok: sce%.exe
.trc.c:
$(C_GEN) $< $@
.c.run:
$(GCC_FOR_TARGET) -T$(srcdir)/sky.ld -o $@ $<
$(GCC_FOR_TARGET) $(CFLAGS) $(LDFLAGS) -o $@ $<
.uu.run:
uudecode $< > $@
.run.vif0out:
@ -232,6 +232,8 @@ sce%.ok: sce%.exe
.s.run:
rm -f $@
$(AS_FOR_TARGET) -mcpu=r5900 -o $@ $<
.c.s:
$(GCC_FOR_TARGET) -S -o $@ $<
#

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@ -265,7 +265,7 @@ mpg:
vaddaz.xyz ACC,vf2,vf3
vaddaz.wxyz ACC,vf2,vf3
vcallms stuff
vcallmsr vi19
vcallmsr vi27
vclip vf4
vdiv Q,vf4z,vf8w
vdiv Q,vf4y,vf8x

136
sim/testsuite/sky/t-cop2b.c Normal file
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@ -0,0 +1,136 @@
/* Copyright (C) 1998 Cygnus Solutions */
/* COP2 function test, with non-expert inline assembly */
/* globals */
int num_ok = 0;
int num_errors = 0;
float data_array[128] __attribute__((aligned(16)));
/* macros */
#define TEST(x) do_test(x, #x, __LINE__)
/* prototypes */
void enable_cop2();
void test00();
void do_test(int ok, const char* test, int line);
/* Utility functions */
void
enable_cop2()
{
asm volatile (".set noat");
asm volatile ("mfc0 $1,$12; dli $2,0x40000000; or $1,$2,$2; mtc0 $1,$12"
: /* no outputs */
: /* no inputs */
: "$1", "$2" /* clobbered */);
asm volatile (".set at");
}
void
do_test(int ok, const char* test, int line)
{
static int test_num = 0;
printf("[%d @ %d] (%s): ", ++test_num, line, test);
if(ok)
{
num_ok ++;
printf("ok\n");
}
else
{
num_errors ++;
printf("ko\n");
}
}
/* Tests */
/* test00: test LQC2/SQC2 data non-corruption */
void test00()
{
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 ("lqc2 vf01,%0"
: /* no output */
: "m" (data[0]) /* input */
: "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 ("sqc2 vf00,%0"
: /* no outputs */
: "m" (data[0]) /* input */
: "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 ("sqc2 vf01,%0"
: /* no outputs */
: "m" (data2[0]) /* input */
: "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 */
int main()
{
enable_cop2();
/* tests */
test00();
/* summarize */
printf("%d ok, %d bad\n", num_ok, num_errors);
if(num_errors > 0)
exit(47);
else
exit(0);
}