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[Qemu-ppc] [PATCH 12/28] target-ppc: Altivec 2.07: Add Vector Count Lead
From: |
Tom Musta |
Subject: |
[Qemu-ppc] [PATCH 12/28] target-ppc: Altivec 2.07: Add Vector Count Leading Zeroes |
Date: |
Wed, 12 Feb 2014 15:23:03 -0600 |
This patch adds the Vector Count Leading Zeroes instructions introduced
in Power ISA Version 2.07 - vclzb, vclzh, vclzw and vclzd.
Signed-off-by: Tom Musta <address@hidden>
---
target-ppc/helper.h | 5 +++++
target-ppc/int_helper.c | 29 +++++++++++++++++++++++++++++
target-ppc/translate.c | 9 +++++++++
3 files changed, 43 insertions(+), 0 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index c20d50e..7ca219f 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -273,6 +273,11 @@ DEF_HELPER_4(vcfsx, void, env, avr, avr, i32)
DEF_HELPER_4(vctuxs, void, env, avr, avr, i32)
DEF_HELPER_4(vctsxs, void, env, avr, avr, i32)
+DEF_HELPER_2(vclzb, void, avr, avr)
+DEF_HELPER_2(vclzh, void, avr, avr)
+DEF_HELPER_2(vclzw, void, avr, avr)
+DEF_HELPER_2(vclzd, void, avr, avr)
+
DEF_HELPER_2(xsadddp, void, env, i32)
DEF_HELPER_2(xssubdp, void, env, i32)
DEF_HELPER_2(xsmuldp, void, env, i32)
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index 7a50f4a..7fca9f0 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -1524,6 +1524,35 @@ VUPK(lsh, s32, s16, UPKLO)
#undef UPKHI
#undef UPKLO
+#define VGENERIC_DO(name, element) \
+ void helper_v##name(ppc_avr_t *r, ppc_avr_t *b) \
+ { \
+ int i; \
+ \
+ VECTOR_FOR_INORDER_I(i, element) { \
+ r->element[i] = name(b->element[i]); \
+ } \
+ }
+
+#define clzb(v) ((v) ? clz32((uint32_t)(v) << 24) : 8)
+#define clzh(v) ((v) ? clz32((uint32_t)(v) << 16) : 16)
+#define clzw(v) clz32((v))
+#define clzd(v) clz64((v))
+
+VGENERIC_DO(clzb, u8)
+VGENERIC_DO(clzh, u16)
+VGENERIC_DO(clzw, u32)
+VGENERIC_DO(clzd, u64)
+
+#undef clzb
+#undef clzh
+#undef clzw
+#undef clzd
+
+
+#undef VGENERIC_DO
+
+
#undef VECTOR_FOR_INORDER_I
#undef HI_IDX
#undef LO_IDX
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index bbaaf6e..ff6ddfc 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -7281,6 +7281,10 @@ GEN_VAFORM_PAIRED(vmsumshm, vmsumshs, 20)
GEN_VAFORM_PAIRED(vsel, vperm, 21)
GEN_VAFORM_PAIRED(vmaddfp, vnmsubfp, 23)
+GEN_VXFORM_NOA(vclzb, 1, 28)
+GEN_VXFORM_NOA(vclzh, 1, 29)
+GEN_VXFORM_NOA(vclzw, 1, 30)
+GEN_VXFORM_NOA(vclzd, 1, 31)
/*** VSX extension ***/
static inline TCGv_i64 cpu_vsrh(int n)
@@ -10477,6 +10481,11 @@ GEN_VAFORM_PAIRED(vmsumshm, vmsumshs, 20),
GEN_VAFORM_PAIRED(vsel, vperm, 21),
GEN_VAFORM_PAIRED(vmaddfp, vnmsubfp, 23),
+GEN_VXFORM_207(vclzb, 1, 28),
+GEN_VXFORM_207(vclzh, 1, 29),
+GEN_VXFORM_207(vclzw, 1, 30),
+GEN_VXFORM_207(vclzd, 1, 31),
+
GEN_HANDLER_E(lxsdx, 0x1F, 0x0C, 0x12, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(lxsiwax, 0x1F, 0x0C, 0x02, 0, PPC_NONE, PPC2_VSX207),
GEN_HANDLER_E(lxsiwzx, 0x1F, 0x0C, 0x00, 0, PPC_NONE, PPC2_VSX207),
--
1.7.1
- [Qemu-ppc] [PATCH 03/28] target-ppc: Altivec 2.07: Add GEN_VXFORM3, (continued)
- [Qemu-ppc] [PATCH 03/28] target-ppc: Altivec 2.07: Add GEN_VXFORM3, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 04/28] target-ppc: Altivec 2.07: Add Support for Dual Altivec Instructions, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 05/28] target-ppc: Altivec 2.07: Add Opcode Macro for VX Form Instructions, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 06/28] target-ppc: Altivec 2.07: Add Support for R-Form Dual Instructions, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 07/28] target-ppc: Altivec 2.07: Vector Logical Instructions, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 09/28] target-ppc: Altivec 2.07: Change VMUL_DO to Support 64-bit Integers, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 08/28] target-ppc: Altivec 2.07: Add/Subtract Unsigned Doubleword Modulo, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 10/28] target-ppc: Altivec 2.07: Multiply Even/Odd Word Instructions, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 11/28] target-ppc: Altivec 2.07: vmuluw Instruction, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 13/28] target-ppc: Altivec 2.07: Vector Population Count Instructions, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 12/28] target-ppc: Altivec 2.07: Add Vector Count Leading Zeroes,
Tom Musta <=
- [Qemu-ppc] [PATCH 14/28] target-ppc: Altivec 2.07: Vector Min/Max Doubleword Instructions, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 15/28] target-ppc: Altivec 2.07: Pack Doubleword Instructions, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 17/28] target-ppc: Altivec 2.07: Vector Merge Instructions, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 16/28] target-ppc: Altivec 2.07: Unpack Signed Word Instructions, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 20/28] target-ppc: Altivec 2.07: Quadword Addition and Subtracation, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 21/28] target-ppc: Altivec 2.07: vbpermq Instruction, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 22/28] target-ppc: Altivec 2.07: Doubleword Compares, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 23/28] target-ppc: Altivec 2.07: Vector Gather Bits by Bytes, Tom Musta, 2014/02/12
- [Qemu-ppc] [PATCH 24/28] target-ppc: Altivec 2.07: Vector Polynomial Multiply Sum, Tom Musta, 2014/02/12