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authorRichard Henderson2018-01-23 04:53:46 +0100
committerPeter Maydell2018-02-09 11:55:12 +0100
commit3c7d30866fd1f56e5945726221410e0d8d535033 (patch)
tree95ac18571e2b3612c02e20bb14a62299f1b472d2 /target/arm
parenttarget/arm: Expand vector registers for SVE (diff)
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target/arm: Add predicate registers for SVE
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20180123035349.24538-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm')
-rw-r--r--target/arm/cpu.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 0e3cd52aa3..966d2fdbb1 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -188,6 +188,13 @@ typedef struct ARMVectorReg {
uint64_t d[2 * ARM_MAX_VQ] QEMU_ALIGNED(16);
} ARMVectorReg;
+/* In AArch32 mode, predicate registers do not exist at all. */
+#ifdef TARGET_AARCH64
+typedef struct ARMPredicateReg {
+ uint64_t p[2 * ARM_MAX_VQ / 8] QEMU_ALIGNED(16);
+} ARMPredicateReg;
+#endif
+
typedef struct CPUARMState {
/* Regs for current mode. */
@@ -515,6 +522,11 @@ typedef struct CPUARMState {
struct {
ARMVectorReg zregs[32];
+#ifdef TARGET_AARCH64
+ /* Store FFR as pregs[16] to make it easier to treat as any other. */
+ ARMPredicateReg pregs[17];
+#endif
+
uint32_t xregs[16];
/* We store these fpcsr fields separately for convenience. */
int vec_len;