[PATCH v3 11/11] sim/testsuite/or1k: Add tests for unordered compares
Andrew Burgess
andrew.burgess@embecosm.com
Tue Jun 11 21:49:00 GMT 2019
* Stafford Horne <shorne@gmail.com> [2019-06-11 05:49:40 +0900]:
> 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.
This is fine with the nits below fixed.
Thanks,
Andrew
> ---
> Changes since v2:
> - new patch
>
> sim/testsuite/sim/or1k/fpu-unordered.S | 97 +++++++++++++++++++
> sim/testsuite/sim/or1k/fpu64a32-unordered.S | 100 ++++++++++++++++++++
> 2 files changed, 197 insertions(+)
> create mode 100644 sim/testsuite/sim/or1k/fpu-unordered.S
> create mode 100644 sim/testsuite/sim/or1k/fpu64a32-unordered.S
>
> diff --git a/sim/testsuite/sim/or1k/fpu-unordered.S b/sim/testsuite/sim/or1k/fpu-unordered.S
> new file mode 100644
> index 0000000000..bf229878bb
> --- /dev/null
> +++ b/sim/testsuite/sim/or1k/fpu-unordered.S
> @@ -0,0 +1,97 @@
> +/* Tests some basic unordered fpu compare instructions.
> +
> + Copyright (C) 2017-2019 Free Software Foundation, Inc.
Date range should be '2019' only.
> +
> + 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
> index 0000000000..31c9ee4a33
> --- /dev/null
> +++ b/sim/testsuite/sim/or1k/fpu64a32-unordered.S
> @@ -0,0 +1,100 @@
> +/* Tests some basic unordered fpu compare instructions.
> +
> + Copyright (C) 2017-2019 Free Software Foundation, Inc.
Date range should be '2019' only.
> +
> + 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
> --
> 2.21.0
>
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