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tests: tcg: ppc64: Add tests for Vector Extract Mask Instructions 

Add test for vextractbm, vextractwm, vextractdm and vextractqm
instructions. Test works for both qemu-ppc64 and qemu-ppc64le.

Based on the test case written by John Platts posted at [1]

References:
[1] - https://gitlab.com/qemu-project/qemu/-/issues/1536

Signed-off-by: John Platts <john_platts@hotmail.com>
Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Reviewed-by: Lucas Mateus Castro <lucas.araujo@eldorado.org.br>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <168319294881.1159309.17060400720026083557.stgit@ltc-boston1.aus.stglabs.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Shivaprasad G Bhat 2023-05-04 05:36:04 -04:00 committed by Daniel Henrique Barboza
parent 6a5d81b172
commit 0eb9fcc735
2 changed files with 55 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
tests/tcg/ppc64/Makefile.target
View File

@ -20,7 +20,7 @@ PPC64_TESTS += mtfsf
PPC64_TESTS += mffsce
ifneq ($(CROSS_CC_HAS_POWER10),)
PPC64_TESTS += byte_reverse sha512-vector
PPC64_TESTS += byte_reverse sha512-vector vector
endif
byte_reverse: CFLAGS += -mcpu=power10
run-byte_reverse: QEMU_OPTS+=-cpu POWER10
@ -31,6 +31,9 @@ sha512-vector: sha512.c
run-sha512-vector: QEMU_OPTS+=-cpu POWER10
vector: CFLAGS += -mcpu=power10 -I$(SRC_PATH)/include
run-vector: QEMU_OPTS += -cpu POWER10
PPC64_TESTS += signal_save_restore_xer
PPC64_TESTS += xxspltw

51
tests/tcg/ppc64/vector.c Normal file
View File

@ -0,0 +1,51 @@
#include <assert.h>
#include <stdint.h>
#include "qemu/compiler.h"
int main(void)
{
unsigned int result_wi;
vector unsigned char vbc_bi_src = { 0xFF, 0xFF, 0, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0, 0, 0,
0, 0xFF, 0xFF};
vector unsigned short vbc_hi_src = { 0xFFFF, 0, 0, 0xFFFF,
0, 0, 0xFFFF, 0xFFFF};
vector unsigned int vbc_wi_src = {0, 0, 0xFFFFFFFF, 0xFFFFFFFF};
vector unsigned long long vbc_di_src = {0xFFFFFFFFFFFFFFFF, 0};
vector __uint128_t vbc_qi_src;
asm("vextractbm %0, %1" : "=r" (result_wi) : "v" (vbc_bi_src));
#if HOST_BIG_ENDIAN
assert(result_wi == 0b1101111111000011);
#else
assert(result_wi == 0b1100001111111011);
#endif
asm("vextracthm %0, %1" : "=r" (result_wi) : "v" (vbc_hi_src));
#if HOST_BIG_ENDIAN
assert(result_wi == 0b10010011);
#else
assert(result_wi == 0b11001001);
#endif
asm("vextractwm %0, %1" : "=r" (result_wi) : "v" (vbc_wi_src));
#if HOST_BIG_ENDIAN
assert(result_wi == 0b0011);
#else
assert(result_wi == 0b1100);
#endif
asm("vextractdm %0, %1" : "=r" (result_wi) : "v" (vbc_di_src));
#if HOST_BIG_ENDIAN
assert(result_wi == 0b10);
#else
assert(result_wi == 0b01);
#endif
vbc_qi_src[0] = 0x1;
vbc_qi_src[0] = vbc_qi_src[0] << 127;
asm("vextractqm %0, %1" : "=r" (result_wi) : "v" (vbc_qi_src));
assert(result_wi == 0b1);
return 0;
}