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Re: [Qemu-devel] [PATCH 6/6] target-ppc: add stxvb16x and stxvh8x


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 6/6] target-ppc: add stxvb16x and stxvh8x
Date: Mon, 8 Aug 2016 10:57:49 +0530
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0

On 08/07/2016 11:06 PM, Nikunj A Dadhania wrote:
+#define STXV(name, access, swap, type, elems)                      \
+void helper_##name(CPUPPCState *env, uint64_t vsr,                 \
+                   target_ulong addr)                              \
+{                                                                  \
+    type *r;                                                       \
+    int i, index, bound, step;                                     \
+    if (msr_le) {                                                  \
+        index = elems - 1;                                         \
+        bound = -1;                                                \
+        step = -1;                                                 \
+    } else  {                                                      \
+        index = 0;                                                 \
+        bound = elems;                                             \
+        step = 1;                                                  \
+    }                                                              \
+    r = (type *) &vsr;                                             \
+    for (i = index; i != bound; i += step) {                       \
+        if (needs_byteswap(env)) {                                 \
+            access(env, addr, swap(r[i]), GETPC());                \
+        } else {                                                   \
+            access(env, addr, r[i], GETPC());                      \
+        }                                                          \
+        addr = addr_add(env, addr, sizeof(type));                  \
+    }                                                              \
+}

Similarly, with the same helpers as for load.


r~



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