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[Qemu-devel] [PATCH v2 09/16] target/arm: Add predicate registers for SV
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v2 09/16] target/arm: Add predicate registers for SVE |
Date: |
Thu, 18 Jan 2018 20:54:31 -0800 |
Signed-off-by: Richard Henderson <address@hidden>
---
target/arm/cpu.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 57d805b5d8..132da359b5 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -186,6 +186,15 @@ typedef struct ARMVectorReg {
uint64_t d[2 * ARM_MAX_VQ] QEMU_ALIGNED(16);
} ARMVectorReg;
+/* In AArch32 mode, predicate registers do not exist at all. */
+typedef struct ARMPredicateReg {
+#ifdef TARGET_AARCH64
+ uint64_t p[2 * ARM_MAX_VQ / 8] QEMU_ALIGNED(16);
+#else
+ uint64_t p[0];
+#endif
+} ARMPredicateReg;
+
typedef struct CPUARMState {
/* Regs for current mode. */
@@ -513,6 +522,9 @@ typedef struct CPUARMState {
struct {
ARMVectorReg zregs[32];
+ /* Store FFR as pregs[16] to make it easier to treat as any other. */
+ ARMPredicateReg pregs[17];
+
uint32_t xregs[16];
/* We store these fpcsr fields separately for convenience. */
int vec_len;
--
2.14.3