From: Jacob Xu <jacobhxu@google.com>
To: Paolo Bonzini <pbonzini@redhat.com>, Jim Mattson <jmattson@google.com>
Cc: kvm@vger.kernel.org, Jacob Xu <jacobhxu@google.com>
Subject: [kvm-unit-tests PATCH 1/2] x86: add movups/movupd sse testcases to emulator.c
Date: Wed, 21 Apr 2021 16:12:57 -0700 [thread overview]
Message-ID: <20210421231258.2583654-1-jacobhxu@google.com> (raw)
Here we add movups/movupd tests corresponding to functionality
introduced in commit 29916968c486 ("kvm: Add emulation for movups/movupd").
Signed-off-by: Jacob Xu <jacobhxu@google.com>
---
x86/emulator.c | 44 ++++++++++++++++++++------------------------
1 file changed, 20 insertions(+), 24 deletions(-)
diff --git a/x86/emulator.c b/x86/emulator.c
index 6100b6d..ff3c2bf 100644
--- a/x86/emulator.c
+++ b/x86/emulator.c
@@ -664,30 +664,26 @@ static bool sseeq(sse_union *v1, sse_union *v2)
static __attribute__((target("sse2"))) void test_sse(sse_union *mem)
{
- sse_union v;
-
- write_cr0(read_cr0() & ~6); /* EM, TS */
- write_cr4(read_cr4() | 0x200); /* OSFXSR */
- v.u[0] = 1; v.u[1] = 2; v.u[2] = 3; v.u[3] = 4;
- asm("movdqu %1, %0" : "=m"(*mem) : "x"(v.sse));
- report(sseeq(&v, mem), "movdqu (read)");
- mem->u[0] = 5; mem->u[1] = 6; mem->u[2] = 7; mem->u[3] = 8;
- asm("movdqu %1, %0" : "=x"(v.sse) : "m"(*mem));
- report(sseeq(mem, &v), "movdqu (write)");
-
- v.u[0] = 1; v.u[1] = 2; v.u[2] = 3; v.u[3] = 4;
- asm("movaps %1, %0" : "=m"(*mem) : "x"(v.sse));
- report(sseeq(mem, &v), "movaps (read)");
- mem->u[0] = 5; mem->u[1] = 6; mem->u[2] = 7; mem->u[3] = 8;
- asm("movaps %1, %0" : "=x"(v.sse) : "m"(*mem));
- report(sseeq(&v, mem), "movaps (write)");
-
- v.u[0] = 1; v.u[1] = 2; v.u[2] = 3; v.u[3] = 4;
- asm("movapd %1, %0" : "=m"(*mem) : "x"(v.sse));
- report(sseeq(mem, &v), "movapd (read)");
- mem->u[0] = 5; mem->u[1] = 6; mem->u[2] = 7; mem->u[3] = 8;
- asm("movapd %1, %0" : "=x"(v.sse) : "m"(*mem));
- report(sseeq(&v, mem), "movapd (write)");
+ sse_union v;
+
+ write_cr0(read_cr0() & ~6); /* EM, TS */
+ write_cr4(read_cr4() | 0x200); /* OSFXSR */
+
+#define TEST_RW_SSE(insn) do { \
+ v.u[0] = 1; v.u[1] = 2; v.u[2] = 3; v.u[3] = 4; \
+ asm(insn " %1, %0" : "=m"(*mem) : "x"(v.sse)); \
+ report(sseeq(&v, mem), insn " (read)"); \
+ mem->u[0] = 5; mem->u[1] = 6; mem->u[2] = 7; mem->u[3] = 8; \
+ asm(insn " %1, %0" : "=x"(v.sse) : "m"(*mem)); \
+ report(sseeq(&v, mem), insn " (write)"); \
+} while (0)
+
+ TEST_RW_SSE("movdqu");
+ TEST_RW_SSE("movaps");
+ TEST_RW_SSE("movapd");
+ TEST_RW_SSE("movups");
+ TEST_RW_SSE("movupd");
+#undef TEST_RW_SSE
}
static void test_mmx(uint64_t *mem)
--
2.31.1.368.gbe11c130af-goog
next reply other threads:[~2021-04-21 23:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-21 23:12 Jacob Xu [this message]
2021-04-21 23:12 ` [kvm-unit-tests PATCH 2/2] x86: add additional test cases for sse exceptions to emulator.c Jacob Xu
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