* New R5900 COP2 test case.
This commit is contained in:
Frank Ch. Eigler
parent
216c36d92b
commit
aa4d43968a
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@ -212,6 +212,7 @@ sce_test9_out_gif.dat
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sky.ld
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t-cop2.s
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t-cop2.vuexpect
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t-cop2b.c
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t-dma.c
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t-pke2.trc
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t-pke2.vif1expect
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@ -1,3 +1,9 @@
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Fri Apr 17 14:47:53 1998 Frank Ch. Eigler <fche@cygnus.com>
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* t-cop2b.c: New test for COP2 via inline asm.
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* Makefile.in: Build t-cop2b.
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* t-cop2.s: Update for new VCALLMSR instruction.
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Thu Apr 16 15:05:51 1998 Jillian Ye <jillian@cygnus.com>
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* t-pke2.trc t-pke2.vif1expect : Update the testcase
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@ -109,7 +109,7 @@ TESTS = \
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tsv408_0.ok tsv408_1.ok \
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tsv416_0.ok tsv416_1.ok \
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tsv432_0.ok tsv432_1.ok \
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t-cop2.vuok
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t-cop2.vuok t-cop2b.ok
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#SCE_TESTS := $(patsubst %.dvpasm, %.ok, $(wildcard sce*.dvpasm))
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SCE_TESTS = \
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@ -139,13 +139,13 @@ sanity:
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@eval echo GCC_FOR_TARGET = $(GCC_FOR_TARGET)
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@eval echo DVPAS_FOR_TARGET = $(DVPAS_FOR_TARGET)
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@eval echo DVPOBJCP_FOR_TARGET = $(DVPOBJCP_FOR_TARGET)
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#------------------------------------
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# Rules for building and running the SCE tests :
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#------------------------------------
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LDFLAGS=-T$(srcdir)/sky.ld
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CFLAGS += -I$(srcdir)
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CFLAGS += -g -I$(srcdir)
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ASFLAGS = -I$(srcdir)
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sce%.exe: sce%.o sce_main.o refresh.o
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@ -217,7 +217,7 @@ sce%.ok: sce%.exe
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.trc.c:
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$(C_GEN) $< $@
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.c.run:
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$(GCC_FOR_TARGET) -T$(srcdir)/sky.ld -o $@ $<
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$(GCC_FOR_TARGET) $(CFLAGS) $(LDFLAGS) -o $@ $<
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.uu.run:
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uudecode $< > $@
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.run.vif0out:
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@ -232,6 +232,8 @@ sce%.ok: sce%.exe
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.s.run:
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rm -f $@
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$(AS_FOR_TARGET) -mcpu=r5900 -o $@ $<
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.c.s:
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$(GCC_FOR_TARGET) -S -o $@ $<
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#
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@ -265,7 +265,7 @@ mpg:
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vaddaz.xyz ACC,vf2,vf3
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vaddaz.wxyz ACC,vf2,vf3
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vcallms stuff
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vcallmsr vi19
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vcallmsr vi27
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vclip vf4
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vdiv Q,vf4z,vf8w
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vdiv Q,vf4y,vf8x
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@ -0,0 +1,136 @@
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/* Copyright (C) 1998 Cygnus Solutions */
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/* COP2 function test, with non-expert inline assembly */
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/* globals */
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int num_ok = 0;
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int num_errors = 0;
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float data_array[128] __attribute__((aligned(16)));
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/* macros */
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#define TEST(x) do_test(x, #x, __LINE__)
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/* prototypes */
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void enable_cop2();
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void test00();
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void do_test(int ok, const char* test, int line);
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/* Utility functions */
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void
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enable_cop2()
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{
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asm volatile (".set noat");
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asm volatile ("mfc0 $1,$12; dli $2,0x40000000; or $1,$2,$2; mtc0 $1,$12"
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: /* no outputs */
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: /* no inputs */
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: "$1", "$2" /* clobbered */);
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asm volatile (".set at");
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}
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void
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do_test(int ok, const char* test, int line)
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{
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static int test_num = 0;
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printf("[%d @ %d] (%s): ", ++test_num, line, test);
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if(ok)
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{
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num_ok ++;
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printf("ok\n");
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}
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else
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{
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num_errors ++;
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printf("ko\n");
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}
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}
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/* Tests */
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/* test00: test LQC2/SQC2 data non-corruption */
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void test00()
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{
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volatile float* data = & data_array[0];
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volatile float* data2 = & data_array[4];
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/* stuff some initial values */
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data[0] = -10.0;
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data[1] = +10.0;
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data[2] = -20.0;
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data[3] = +20.0;
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/* save values */
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asm volatile ("lqc2 vf01,%0"
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: /* no output */
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: "m" (data[0]) /* input */
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: "memory" /* clobbered */);
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/* test no clobbering */
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TEST(data[0] == -10.0f);
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TEST(data[1] == +10.0f);
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TEST(data[2] == -20.0f);
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TEST(data[3] == +20.0f);
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/* overwrite with VU constants */
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asm volatile ("sqc2 vf00,%0"
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: /* no outputs */
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: "m" (data[0]) /* input */
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: "memory" /* clobbered */);
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/* test proper values */
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TEST(data[0] == 0.0f);
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TEST(data[1] == 0.5f);
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TEST(data[2] == -1.0f);
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TEST(data[3] == +1.0f);
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/* read back original array values */
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asm volatile ("sqc2 vf01,%0"
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: /* no outputs */
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: "m" (data2[0]) /* input */
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: "memory" /* clobbered */);
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/* printf("%f,%f,%f,%f\n", data2[0], data2[1], data2[2], data2[3]); */
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/* test proper values */
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TEST(data2[0] == -10.0f);
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TEST(data2[1] == +10.0f);
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TEST(data2[2] == -20.0f);
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TEST(data2[3] == +20.0f);
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}
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/* Mainline */
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int main()
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{
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enable_cop2();
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/* tests */
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test00();
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/* summarize */
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printf("%d ok, %d bad\n", num_ok, num_errors);
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if(num_errors > 0)
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exit(47);
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else
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exit(0);
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}
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