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[Qemu-devel] [PULL 07/12] target-i386: Define MMREG_UNION macro
From: |
Eduardo Habkost |
Subject: |
[Qemu-devel] [PULL 07/12] target-i386: Define MMREG_UNION macro |
Date: |
Thu, 21 Jan 2016 13:09:36 -0200 |
This will simplify the definitions of ZMMReg and MMXReg.
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Eduardo Habkost <address@hidden>
---
target-i386/cpu.h | 27 +++++++++++----------------
1 file changed, 11 insertions(+), 16 deletions(-)
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index b41ce82..70cf66d 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -725,23 +725,18 @@ typedef struct SegmentCache {
uint32_t flags;
} SegmentCache;
-typedef union {
- uint8_t _b[64];
- uint16_t _w[32];
- uint32_t _l[16];
- uint64_t _q[8];
- float32 _s[16];
- float64 _d[8];
-} ZMMReg;
+#define MMREG_UNION(bits) \
+ union { \
+ uint8_t _b[(bits)/8]; \
+ uint16_t _w[(bits)/16]; \
+ uint32_t _l[(bits)/32]; \
+ uint64_t _q[(bits)/64]; \
+ float32 _s[(bits)/32]; \
+ float64 _d[(bits)/64]; \
+ }
-typedef union {
- uint8_t _b[8];
- uint16_t _w[4];
- uint32_t _l[2];
- uint64_t _q[1];
- float32 _s[2];
- float64 _d[1];
-} MMXReg;
+typedef MMREG_UNION(512) ZMMReg;
+typedef MMREG_UNION(64) MMXReg;
typedef struct BNDReg {
uint64_t lb;
--
2.1.0
- [Qemu-devel] [PULL 00/12] X86 queue, 2016-01-21, Eduardo Habkost, 2016/01/21
- [Qemu-devel] [PULL 01/12] target-i386: Rename optimize_flags_init(), Eduardo Habkost, 2016/01/21
- [Qemu-devel] [PULL 03/12] target-i386: Use a _q array on MMXReg too, Eduardo Habkost, 2016/01/21
- [Qemu-devel] [PULL 02/12] target-i386/ops_sse.h: Use MMX_Q macro, Eduardo Habkost, 2016/01/21
- [Qemu-devel] [PULL 07/12] target-i386: Define MMREG_UNION macro,
Eduardo Habkost <=
- [Qemu-devel] [PULL 04/12] target-i386: Rename struct XMMReg to ZMMReg, Eduardo Habkost, 2016/01/21
- [Qemu-devel] [PULL 08/12] target-i386: Add suffixes to MMReg struct fields, Eduardo Habkost, 2016/01/21
- [Qemu-devel] [PULL 06/12] target-i386: Define MMXReg._d field, Eduardo Habkost, 2016/01/21
- [Qemu-devel] [PULL 09/12] target-i386: Fallback vcpu's TSC rate to value returned by KVM, Eduardo Habkost, 2016/01/21
- [Qemu-devel] [PULL 05/12] target-i386: Rename XMM_[BWLSDQ] helpers to ZMM_*, Eduardo Habkost, 2016/01/21
- [Qemu-devel] [PULL 10/12] target-i386: Reorganize TSC rate setting code, Eduardo Habkost, 2016/01/21
- [Qemu-devel] [PULL 11/12] target-i386: Add support to migrate vcpu's TSC rate, Eduardo Habkost, 2016/01/21
- [Qemu-devel] [PULL 12/12] target-i386: Add PKU and and OSPKE support, Eduardo Habkost, 2016/01/21
- Re: [Qemu-devel] [PULL 00/12] X86 queue, 2016-01-21, Peter Maydell, 2016/01/21