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[PULL,v2,19/57] tests/tcg/i386: add runner for test-i386-fprem

Message ID 20180621062605.941-20-alex.bennee@linaro.org
State New
Headers show
Series [PULL,v2,01/57] docker: docker.py wrap StringIO import for python3 | expand

Commit Message

Alex Bennée June 21, 2018, 6:25 a.m. UTC 
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>
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Patch

diff --git a/tests/tcg/i386/Makefile.target b/tests/tcg/i386/Makefile.target
index 8b46cc021e..64d241cfdf 100644
--- a/tests/tcg/i386/Makefile.target
+++ b/tests/tcg/i386/Makefile.target
@@ -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
diff --git a/tests/tcg/i386/test-i386-fprem.c b/tests/tcg/i386/test-i386-fprem.c
index 1a71623204..66f5a9657d 100644
--- a/tests/tcg/i386/test-i386-fprem.c
+++ b/tests/tcg/i386/test-i386-fprem.c
@@ -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? */
 }