[Stable-9.0.1 38/44] target/loongarch/kvm: fpu save the vreg registers high 192bit

[Michael Tokarev]

From: Song Gao <gaos...@loongson.cn>

On kvm side, get_fpu/set_fpu save the vreg registers high 192bits,
but QEMU missing.

Cc: qemu-sta...@nongnu.org
Signed-off-by: Song Gao <gaos...@loongson.cn>
Reviewed-by: Bibo Mao <maob...@loongson.cn>
Message-Id: <20240514110752.989572-1-gaos...@loongson.cn>
(cherry picked from commit 07c0866103d4aa2dd83c7c3e7898843e28e3893a)
Signed-off-by: Michael Tokarev <m...@tls.msk.ru>

diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c
index d630cc39cb..e2dff2b795 100644
--- a/target/loongarch/kvm/kvm.c
+++ b/target/loongarch/kvm/kvm.c
@@ -436,6 +436,9 @@ static int kvm_loongarch_get_regs_fp(CPUState *cs)
     env->fcsr0 = fpu.fcsr;
     for (i = 0; i < 32; i++) {
         env->fpr[i].vreg.UD[0] = fpu.fpr[i].val64[0];
+        env->fpr[i].vreg.UD[1] = fpu.fpr[i].val64[1];
+        env->fpr[i].vreg.UD[2] = fpu.fpr[i].val64[2];
+        env->fpr[i].vreg.UD[3] = fpu.fpr[i].val64[3];
     }
     for (i = 0; i < 8; i++) {
         env->cf[i] = fpu.fcc & 0xFF;
@@ -455,6 +458,9 @@ static int kvm_loongarch_put_regs_fp(CPUState *cs)
     fpu.fcc = 0;
     for (i = 0; i < 32; i++) {
         fpu.fpr[i].val64[0] = env->fpr[i].vreg.UD[0];
+        fpu.fpr[i].val64[1] = env->fpr[i].vreg.UD[1];
+        fpu.fpr[i].val64[2] = env->fpr[i].vreg.UD[2];
+        fpu.fpr[i].val64[3] = env->fpr[i].vreg.UD[3];
     }
 
     for (i = 0; i < 8; i++) {
-- 
2.39.2