[PATCH 1/6] target/i386: Define XMMReg and access macros

[Richard Henderson]

This will be used for proper endian adjustments of gvec xmm ops.

Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
 target/i386/cpu.h | 53 +++++++++++++++++++++++++++++++++++++----------
 1 file changed, 42 insertions(+), 11 deletions(-)

diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 82004b65b9..81e5abed86 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -1233,18 +1233,33 @@ typedef struct SegmentCache {
     uint32_t flags;
 } SegmentCache;
 
-#define MMREG_UNION(n, bits)        \
-    union n {                       \
-        uint8_t  _b_##n[(bits)/8];  \
-        uint16_t _w_##n[(bits)/16]; \
-        uint32_t _l_##n[(bits)/32]; \
-        uint64_t _q_##n[(bits)/64]; \
-        float32  _s_##n[(bits)/32]; \
-        float64  _d_##n[(bits)/64]; \
-    }
+typedef union MMXReg {
+    uint8_t  _b_MMXReg[64 / 8];
+    uint16_t _w_MMXReg[64 / 16];
+    uint32_t _l_MMXReg[64 / 32];
+    uint64_t _q_MMXReg[64 / 64];
+    float32  _s_MMXReg[64 / 32];
+    float64  _d_MMXReg[64 / 64];
+} MMXReg;
 
-typedef MMREG_UNION(ZMMReg, 512) ZMMReg;
-typedef MMREG_UNION(MMXReg, 64)  MMXReg;
+typedef union XMMReg {
+    uint8_t  _b_XMMReg[128 / 8];
+    uint16_t _w_XMMReg[128 / 16];
+    uint32_t _l_XMMReg[128 / 32];
+    uint64_t _q_XMMReg[128 / 64];
+    float32  _s_XMMReg[128 / 32];
+    float64  _d_XMMReg[128 / 64];
+} XMMReg;
+
+typedef union ZMMReg {
+    uint8_t  _b_ZMMReg[512 / 8];
+    uint16_t _w_ZMMReg[512 / 16];
+    uint32_t _l_ZMMReg[512 / 32];
+    uint64_t _q_ZMMReg[512 / 64];
+    float32  _s_ZMMReg[512 / 32];
+    float64  _d_ZMMReg[512 / 64];
+    XMMReg   _x_ZMMReg[512 / 128];
+} ZMMReg;
 
 typedef struct BNDReg {
     uint64_t lb;
@@ -1267,6 +1282,14 @@ typedef struct BNDCSReg {
 #define ZMM_S(n) _s_ZMMReg[15 - (n)]
 #define ZMM_Q(n) _q_ZMMReg[7 - (n)]
 #define ZMM_D(n) _d_ZMMReg[7 - (n)]
+#define ZMM_X(n) _x_ZMMReg[3 - (n)]
+
+#define XMM_B(n) _b_XMMReg[15 - (n)]
+#define XMM_W(n) _w_XMMReg[7 - (n)]
+#define XMM_L(n) _l_XMMReg[3 - (n)]
+#define XMM_S(n) _s_XMMReg[3 - (n)]
+#define XMM_Q(n) _q_XMMReg[1 - (n)]
+#define XMM_D(n) _d_XMMReg[1 - (n)]
 
 #define MMX_B(n) _b_MMXReg[7 - (n)]
 #define MMX_W(n) _w_MMXReg[3 - (n)]
@@ -1279,6 +1302,14 @@ typedef struct BNDCSReg {
 #define ZMM_S(n) _s_ZMMReg[n]
 #define ZMM_Q(n) _q_ZMMReg[n]
 #define ZMM_D(n) _d_ZMMReg[n]
+#define ZMM_X(n) _x_ZMMReg[n]
+
+#define XMM_B(n) _b_XMMReg[n]
+#define XMM_W(n) _w_XMMReg[n]
+#define XMM_L(n) _l_XMMReg[n]
+#define XMM_S(n) _s_XMMReg[n]
+#define XMM_Q(n) _q_XMMReg[n]
+#define XMM_D(n) _d_XMMReg[n]
 
 #define MMX_B(n) _b_MMXReg[n]
 #define MMX_W(n) _w_MMXReg[n]
-- 
2.34.1