sim/testsuite/or1k: Add tests for unordered compares

Add tests for 32-bit and 64-bit unordered compare instructions.

sim/testsuite/sim/or1k/ChangeLog:

yyyy-mm-dd  Stafford Horne  <shorne@gmail.com>

	* fpu-unordered.S: New file.
	* fpu64a32-unordered.S: New file.

diff --git a/sim/testsuite/sim/or1k/ChangeLog b/sim/testsuite/sim/or1k/ChangeLog
index 8518caadc4ab342f17d5ebdbcfe8b0665447a4fc..f5623809b9dc226777e93cf192a7ad3106f8cf98 100644 (file)
--- a/sim/testsuite/sim/or1k/ChangeLog
+++ b/sim/testsuite/sim/or1k/ChangeLog
@@ -1,3 +1,8 @@
+2019-06-13  Stafford Horne  <shorne@gmail.com>
+
+       * fpu-unordered.S: New file.
+       * fpu64a32-unordered.S: New file.
+
 2019-06-13  Stafford Horne  <shorne@gmail.com>
 
        * adrp.S: New file.

diff --git a/sim/testsuite/sim/or1k/fpu-unordered.S b/sim/testsuite/sim/or1k/fpu-unordered.S
new file mode 100644 (file)
index 0000000..5a0e884
--- /dev/null
+++ b/sim/testsuite/sim/or1k/fpu-unordered.S
@@ -0,0 +1,97 @@
+/* Tests some basic unordered fpu compare instructions.
+
+   Copyright (C) 2019 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+# mach: or1k
+# output: report(0x40490fd0);\n
+# output: report(0x402df84d);\n
+# output: report(0x7fc00000);\n
+# output: \n
+# output: report(0x00000001);\n
+# output: \n
+# output: report(0x00000000);\n
+# output: \n
+# output: report(0x00000001);\n
+# output: \n
+# output: report(0x00000001);\n
+# output: \n
+# output: exit(0)\n
+
+#include "or1k-asm-test-helpers.h"
+
+       STANDARD_TEST_ENVIRONMENT
+
+       .section .data
+       .align 4
+       .type   pi, @object
+       .size   pi, 4
+anchor:
+pi:
+       .float  3.14159
+
+       .type   e, @object
+       .size   e, 4
+e:
+       .float  2.71828
+
+       .section .text
+start_tests:
+       PUSH LINK_REGISTER_R9
+
+       /* Test unordered float comparisons.  Setting up:
+        *  r11      pointer to data
+        *  r12  pi  as float
+        *  r13  e   as float
+        *  r16  nan as float
+        */
+       l.ori   r11, r0, ha(anchor)
+       l.addi  r11, r11, lo(anchor)
+       l.lwz   r12, 0(r11)
+
+       l.lwz   r13, 4(r11)
+
+       /* Make a NaN.  */
+       lf.sub.s r16, r13, r13
+       lf.div.s r16, r16, r16
+
+       /* Output to ensure we loaded it correctly.  */
+       REPORT_REG_TO_CONSOLE r12
+       REPORT_REG_TO_CONSOLE r13
+       REPORT_REG_TO_CONSOLE r16
+       PRINT_NEWLINE_TO_CONSOLE
+
+       lf.sfuge.s r12, r13
+       MOVE_FROM_SPR r2, SPR_SR
+       REPORT_BIT_TO_CONSOLE r2, SPR_SR_F
+       PRINT_NEWLINE_TO_CONSOLE
+
+       lf.sfun.s r12, r13
+       MOVE_FROM_SPR r2, SPR_SR
+       REPORT_BIT_TO_CONSOLE r2, SPR_SR_F
+       PRINT_NEWLINE_TO_CONSOLE
+
+       lf.sfun.s r12, r16
+       MOVE_FROM_SPR r2, SPR_SR
+       REPORT_BIT_TO_CONSOLE r2, SPR_SR_F
+       PRINT_NEWLINE_TO_CONSOLE
+
+       lf.sfueq.s r12, r12
+       MOVE_FROM_SPR r2, SPR_SR
+       REPORT_BIT_TO_CONSOLE r2, SPR_SR_F
+       PRINT_NEWLINE_TO_CONSOLE
+
+       POP LINK_REGISTER_R9
+       RETURN_TO_LINK_REGISTER_R9

diff --git a/sim/testsuite/sim/or1k/fpu64a32-unordered.S b/sim/testsuite/sim/or1k/fpu64a32-unordered.S
new file mode 100644 (file)
index 0000000..fe70dc6
--- /dev/null
+++ b/sim/testsuite/sim/or1k/fpu64a32-unordered.S
@@ -0,0 +1,100 @@
+/* Tests some basic unordered fpu compare instructions.
+
+   Copyright (C) 2019 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+# mach: or1k
+# output: report(0x400921f9);\n
+# output: report(0xf01b866e);\n
+# output: report(0x4005bf09);\n
+# output: report(0x95aaf790);\n
+# output: report(0x7ff80000);\n
+# output: report(0x00000000);\n
+# output: \n
+# output: report(0x00000001);\n
+# output: \n
+# output: report(0x00000000);\n
+# output: \n
+# output: report(0x00000001);\n
+# output: \n
+# output: exit(0)\n
+
+#include "or1k-asm-test-helpers.h"
+
+       STANDARD_TEST_ENVIRONMENT
+
+       .section .data
+       .align 4
+       .type   pi, @object
+       .size   pi, 8
+anchor:
+pi:
+       .double  3.14159
+
+       .type   e, @object
+       .size   e, 8
+e:
+       .double  2.71828
+
+       .section .text
+start_tests:
+       PUSH LINK_REGISTER_R9
+
+       /* Test unordered double comparisons.  Setting up:
+        *  r11      pointer to data
+        *  r12,r13  pi  as double
+        *  r14,r15  e   as double
+        *  r16,r17  nan as double
+        */
+       l.ori   r11, r0, ha(anchor)
+       l.addi  r11, r11, lo(anchor)
+       l.lwz   r12, 0(r11)
+       l.lwz   r13, 4(r11)
+
+       l.lwz   r14, 8(r11)
+       l.lwz   r15, 12(r11)
+
+       /* Make a NaN.  */
+       lf.sub.d r16,r18, r12,r13, r12,r13
+       lf.div.d r16,r18, r16,r18, r16,r18
+
+       /* Output to ensure we loaded it correctly.  */
+       REPORT_REG_TO_CONSOLE r12
+       REPORT_REG_TO_CONSOLE r13
+
+       REPORT_REG_TO_CONSOLE r14
+       REPORT_REG_TO_CONSOLE r15
+
+       REPORT_REG_TO_CONSOLE r16
+       REPORT_REG_TO_CONSOLE r18
+       PRINT_NEWLINE_TO_CONSOLE
+
+       lf.sfuge.d r12,r13, r14,r15
+       MOVE_FROM_SPR r2, SPR_SR
+       REPORT_BIT_TO_CONSOLE r2, SPR_SR_F
+       PRINT_NEWLINE_TO_CONSOLE
+
+       lf.sfun.d r12,r13, r14,r15
+       MOVE_FROM_SPR r2, SPR_SR
+       REPORT_BIT_TO_CONSOLE r2, SPR_SR_F
+       PRINT_NEWLINE_TO_CONSOLE
+
+       lf.sfun.d r12,r13, r16,r18
+       MOVE_FROM_SPR r2, SPR_SR
+       REPORT_BIT_TO_CONSOLE r2, SPR_SR_F
+       PRINT_NEWLINE_TO_CONSOLE
+
+       POP LINK_REGISTER_R9
+       RETURN_TO_LINK_REGISTER_R9