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tests/tcg/i386: add runner for test-i386-fprem 

The runner needs to compare against a reference run. We also only run
this test when SPEED=slow as it takes a while.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Alex Bennée 2018-04-10 15:23:29 +01:00
parent 9ae02bf889
commit 25f9e7e8d7
2 changed files with 25 additions and 3 deletions
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16
tests/tcg/i386/Makefile.target
View File

@ -33,5 +33,21 @@ test-i386: test-i386.c test-i386-code16.S test-i386-vm86.S test-i386.h test-i386
run-runcom: runcom pi_10.com
$(call quiet-command, $(QEMU) ./runcom $(I386_SRC)/pi_10.com > runcom.out, "TEST", "$< on $(TARGET_NAME)")
ifeq ($(SPEED), slow)
test-i386-fprem.ref: test-i386-fprem
$(call quiet-command, ./$< > $@,"GENREF","generating $@")
run-test-i386-fprem: TIMEOUT=60
run-test-i386-fprem: test-i386-fprem
$(call quiet-command, \
$(QEMU) $< > $<.out && \
diff -u $(I386_SRC)/$<.ref $<.out, \
"TEST", "$< (default) on $(TARGET_NAME)")
else
run-test-i386-fprem: test-i386-fprem
$(call quiet-command, /bin/true, "SLOW TEST", "$< SKIPPED on $(TARGET_NAME)")
endif
# On i386 and x86_64 Linux only supports 4k pages (large pages are a different hack)
EXTRA_RUNS+=run-test-mmap-4096

12
tests/tcg/i386/test-i386-fprem.c
View File

@ -23,7 +23,10 @@
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include <stdio.h>
#include <stdint.h>
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
/*
* Inspired by <ieee754.h>'s union ieee854_long_double, but with single
@ -39,7 +42,7 @@ union float80u {
unsigned int exponent:15;
unsigned int negative:1;
unsigned int empty:16;
} QEMU_PACKED ieee;
} __attribute__((packed)) ieee;
/* This is for NaNs in the IEEE 854 double-extended-precision format. */
struct {
@ -49,7 +52,7 @@ union float80u {
unsigned int exponent:15;
unsigned int negative:1;
unsigned int empty:16;
} QEMU_PACKED ieee_nan;
} __attribute__((packed)) ieee_nan;
};
#define IEEE854_LONG_DOUBLE_BIAS 0x3fff
@ -229,6 +232,7 @@ static void test_fprem_cases(void)
do_fprem_stack_underflow();
printf("= invalid operation =\n");
do_fprem(q_nan.d, 1.0);
do_fprem(s_nan.d, 1.0);
do_fprem(1.0, 0.0);
do_fprem(pos_inf.d, 1.0);
@ -238,6 +242,8 @@ static void test_fprem_cases(void)
do_fprem(pos_denorm.d, 1.0);
do_fprem(1.0, pos_denorm.d);
do_fprem(smallest_positive_norm.d, smallest_positive_norm.d);
/* printf("= underflow =\n"); */
/* TODO: Is there a case where FPREM raises underflow? */
}