[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 21/28] target-ppc: Altivec 2.07: vbpermq Instruction
From: |
Tom Musta |
Subject: |
[Qemu-devel] [PATCH 21/28] target-ppc: Altivec 2.07: vbpermq Instruction |
Date: |
Wed, 12 Feb 2014 15:23:12 -0600 |
This patch adds the Vector Bit Permute Quadword (vbpermq) instruction
introduced in Power ISA Version 2.07.
Signed-off-by: Tom Musta <address@hidden>
---
target-ppc/helper.h | 1 +
target-ppc/int_helper.c | 31 +++++++++++++++++++++++++++++++
target-ppc/translate.c | 2 ++
3 files changed, 34 insertions(+), 0 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 1483930..ca1dc83 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -303,6 +303,7 @@ DEF_HELPER_2(vpopcntb, void, avr, avr)
DEF_HELPER_2(vpopcnth, void, avr, avr)
DEF_HELPER_2(vpopcntw, void, avr, avr)
DEF_HELPER_2(vpopcntd, void, avr, avr)
+DEF_HELPER_3(vbpermq, void, avr, avr, avr)
DEF_HELPER_2(xsadddp, void, env, i32)
DEF_HELPER_2(xssubdp, void, env, i32)
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index 72fb13c..5885b7e 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -1039,6 +1039,37 @@ void helper_vperm(CPUPPCState *env, ppc_avr_t *r,
ppc_avr_t *a, ppc_avr_t *b,
}
#if defined(HOST_WORDS_BIGENDIAN)
+#define VBPERMQ_INDEX(avr, i) ((avr)->u8[(i)])
+#define VBPERMQ_DW(index) (((index) & 0x40) != 0)
+#else
+#define VBPERMQ_INDEX(avr, i) ((avr)->u8[15-(i)])
+#define VBPERMQ_DW(index) (((index) & 0x40) == 0)
+#endif
+
+void helper_vbpermq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+{
+ int i;
+ uint64_t perm = 0;
+
+ VECTOR_FOR_INORDER_I(i, u8) {
+ int index = VBPERMQ_INDEX(b, i);
+
+ if (index < 128) {
+ uint64_t mask = (1ull << (63-(index & 0x3F)));
+ if (a->u64[VBPERMQ_DW(index)] & mask) {
+ perm |= (0x8000 >> i);
+ }
+ }
+ }
+
+ r->u64[HI_IDX] = perm;
+ r->u64[LO_IDX] = 0;
+}
+
+#undef VBPERMQ_INDEX
+#undef VBPERMQ_DW
+
+#if defined(HOST_WORDS_BIGENDIAN)
#define PKBIG 1
#else
#define PKBIG 0
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index ce2f915..1be5c5f 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -7358,6 +7358,7 @@ GEN_VXFORM_DUAL(vclzw, PPC_NONE, PPC2_ALTIVEC_207, \
vpopcntw, PPC_NONE, PPC2_ALTIVEC_207)
GEN_VXFORM_DUAL(vclzd, PPC_NONE, PPC2_ALTIVEC_207, \
vpopcntd, PPC_NONE, PPC2_ALTIVEC_207)
+GEN_VXFORM(vbpermq, 6, 21);
/*** VSX extension ***/
@@ -10582,6 +10583,7 @@ GEN_VXFORM_DUAL(vclzh, vpopcnth, 1, 29, PPC_NONE,
PPC2_ALTIVEC_207),
GEN_VXFORM_DUAL(vclzw, vpopcntw, 1, 30, PPC_NONE, PPC2_ALTIVEC_207),
GEN_VXFORM_DUAL(vclzd, vpopcntd, 1, 31, PPC_NONE, PPC2_ALTIVEC_207),
+GEN_VXFORM_207(vbpermq, 6, 21),
GEN_HANDLER_E(lxsdx, 0x1F, 0x0C, 0x12, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(lxsiwax, 0x1F, 0x0C, 0x02, 0, PPC_NONE, PPC2_VSX207),
--
1.7.1
- [Qemu-devel] [PATCH 11/28] target-ppc: Altivec 2.07: vmuluw Instruction, (continued)
- [Qemu-devel] [PATCH 11/28] target-ppc: Altivec 2.07: vmuluw Instruction, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 12/28] target-ppc: Altivec 2.07: Add Vector Count Leading Zeroes, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 13/28] target-ppc: Altivec 2.07: Vector Population Count Instructions, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 14/28] target-ppc: Altivec 2.07: Vector Min/Max Doubleword Instructions, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 15/28] target-ppc: Altivec 2.07: Pack Doubleword Instructions, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 16/28] target-ppc: Altivec 2.07: Unpack Signed Word Instructions, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 17/28] target-ppc: Altivec 2.07: Vector Merge Instructions, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 18/28] target-ppc: Altivec 2.07: Change Bit Masks to Support 64-bit Rotates and Shifts, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 19/28] target-ppc: Altivec 2.07: Vector Doubleword Rotate and Shift Instructions, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 20/28] target-ppc: Altivec 2.07: Quadword Addition and Subtracation, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 21/28] target-ppc: Altivec 2.07: vbpermq Instruction,
Tom Musta <=
- [Qemu-devel] [PATCH 22/28] target-ppc: Altivec 2.07: Doubleword Compares, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 23/28] target-ppc: Altivec 2.07: Vector Gather Bits by Bytes, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 24/28] target-ppc: Altivec 2.07: Vector Polynomial Multiply Sum, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 25/28] target-ppc: Altivec 2.07: Binary Coded Decimal Instructions, Tom Musta, 2014/02/12
- [Qemu-devel] [PATCH 26/28] target-ppc: Altivec 2.07: AES Instructions, Tom Musta, 2014/02/12