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[2/2] tests/tcg/ppc64le: tests for brh/brw/brd

Message ID 20210420013308.813323-3-matheus.ferst@eldorado.org.br
State New
Headers show
Series tests/docker: tests/tcg/ppc64le: Newer toolchain to build tests for PowerISA v3.1 instructions | expand

Commit Message

Matheus K. Ferst April 20, 2021, 1:33 a.m. UTC 
From: Matheus Ferst <matheus.ferst@eldorado.org.br>

Tests for Byte-Reverse Halfword, Word and Doubleword

Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
---
 tests/tcg/ppc64/Makefile.target   |  7 +++++++
 tests/tcg/ppc64le/Makefile.target |  7 +++++++
 tests/tcg/ppc64le/byte_reverse.c  | 22 ++++++++++++++++++++++
 3 files changed, 36 insertions(+)
 create mode 100644 tests/tcg/ppc64le/byte_reverse.c

Comments

Richard Henderson April 20, 2021, 2:58 p.m. UTC | #1 
On 4/19/21 6:33 PM, matheus.ferst@eldorado.org.br wrote:
> +    var = 0xFEDCBA9876543210;
> +    asm("brh %0, %0" : "=r"(var));
> +    assert(var == 0xDCFE98BA54761032);

Incorrect inline assembly, you are not declaring an input.
Use "+r" for in/out argument.


r~
Richard Henderson April 20, 2021, 2:58 p.m. UTC | #2 
On 4/19/21 6:33 PM, matheus.ferst@eldorado.org.br wrote:
> +#include <stdio.h>
> +#include <assert.h>
> +
> +int main(void)
> +{

Oh, also, there's nothing in here that requires stdio.h.


r~
Matheus K. Ferst April 20, 2021, 3:12 p.m. UTC | #3 
On 20/04/2021 11:58, Richard Henderson wrote:
> On 4/19/21 6:33 PM, matheus.ferst@eldorado.org.br wrote:
>> +    var = 0xFEDCBA9876543210;
>> +    asm("brh %0, %0" : "=r"(var));
>> +    assert(var == 0xDCFE98BA54761032);
> 
> Incorrect inline assembly, you are not declaring an input.
> Use "+r" for in/out argument.
> 
> 
> r~

Fixed, thanks!

Matheus K. Ferst
Instituto de Pesquisas ELDORADO <http://www.eldorado.org.br/>
Analista de Software Júnior
Aviso Legal - Disclaimer <https://www.eldorado.org.br/disclaimer.html>
Matheus K. Ferst April 20, 2021, 3:12 p.m. UTC | #4 
On 20/04/2021 11:58, Richard Henderson wrote:
> On 4/19/21 6:33 PM, matheus.ferst@eldorado.org.br wrote:
>> +#include <stdio.h>
>> +#include <assert.h>
>> +
>> +int main(void)
>> +{
> 
> Oh, also, there's nothing in here that requires stdio.h.
> 
> 
> r~

Forgot to remove. Will be fixed in the next version.

Thanks,
Matheus K. Ferst
Instituto de Pesquisas ELDORADO <http://www.eldorado.org.br/>
Analista de Software Júnior
Aviso Legal - Disclaimer <https://www.eldorado.org.br/disclaimer.html>
diff mbox series

Patch

diff --git a/tests/tcg/ppc64/Makefile.target b/tests/tcg/ppc64/Makefile.target
index 0c6a4585fc..55c690c8ad 100644
--- a/tests/tcg/ppc64/Makefile.target
+++ b/tests/tcg/ppc64/Makefile.target
@@ -10,4 +10,11 @@  PPC64_TESTS=bcdsub
 endif
 bcdsub: CFLAGS += -mpower8-vector
 
+ifneq ($(DOCKER_IMAGE)$(CROSS_CC_HAS_POWER10),)
+POWER10_TESTS=byte_reverse
+RUN_POWER10_TESTS=$(patsubst %, run-%, $(POWER10_TESTS))
+$(RUN_POWER10_TESTS): QEMU_OPTS+=-cpu POWER10
+PPC64_TESTS += $(POWER10_TESTS)
+endif
+
 TESTS += $(PPC64_TESTS)
diff --git a/tests/tcg/ppc64le/Makefile.target b/tests/tcg/ppc64le/Makefile.target
index 1acfcff94a..517d290b1a 100644
--- a/tests/tcg/ppc64le/Makefile.target
+++ b/tests/tcg/ppc64le/Makefile.target
@@ -9,4 +9,11 @@  PPC64LE_TESTS=bcdsub
 endif
 bcdsub: CFLAGS += -mpower8-vector
 
+ifneq ($(DOCKER_IMAGE)$(CROSS_CC_HAS_POWER10),)
+POWER10_TESTS=byte_reverse
+RUN_POWER10_TESTS=$(patsubst %, run-%, $(POWER10_TESTS))
+$(RUN_POWER10_TESTS): QEMU_OPTS+=-cpu POWER10
+PPC64LE_TESTS += $(POWER10_TESTS)
+endif
+
 TESTS += $(PPC64LE_TESTS)
diff --git a/tests/tcg/ppc64le/byte_reverse.c b/tests/tcg/ppc64le/byte_reverse.c
new file mode 100644
index 0000000000..553b9870ae
--- /dev/null
+++ b/tests/tcg/ppc64le/byte_reverse.c
@@ -0,0 +1,22 @@ 
+#include <stdio.h>
+#include <assert.h>
+
+int main(void)
+{
+    unsigned long var;
+
+    var = 0xFEDCBA9876543210;
+    asm("brh %0, %0" : "=r"(var));
+    assert(var == 0xDCFE98BA54761032);
+
+    var = 0xFEDCBA9876543210;
+    asm("brw %0, %0" : "=r"(var));
+    assert(var == 0x98BADCFE10325476);
+
+    var = 0xFEDCBA9876543210;
+    asm("brd %0, %0" : "=r"(var));
+    assert(var == 0x1032547698BADCFE);
+
+    return 0;
+}
+