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[v2,5/8] target-ppc: add vcmpnez[b, h, w][.] instructions

Message ID 1469729658-4832-6-git-send-email-nikunj@linux.vnet.ibm.com
State New
Headers show

Commit Message

Nikunj A Dadhania July 28, 2016, 6:14 p.m. UTC 
From: Swapnil Bokade <bokadeswapnil@gmail.com>

Adds following instructions:

vcmpnezb[.]: Vector Compare Not Equal or Zero Byte
vcmpnezh[.]: Vector Compare Not Equal or Zero Halfword
vcmpnezw[.]: Vector Compare Not Equal or Zero Word

Signed-off-by: Swapnil Bokade <bokadeswapnil@gmail.com>
[ collapse switch case ]
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
---
 target-ppc/helper.h             |  6 ++++++
 target-ppc/int_helper.c         | 36 ++++++++++++++++++++++++++++++++++++
 target-ppc/translate/vmx-impl.c |  3 +++
 target-ppc/translate/vmx-ops.c  |  9 +++++++++
 4 files changed, 54 insertions(+)

Comments

Richard Henderson July 29, 2016, 1:02 a.m. UTC | #1 
On 07/28/2016 11:44 PM, Nikunj A Dadhania wrote:
> From: Swapnil Bokade <bokadeswapnil@gmail.com>
>
> Adds following instructions:
>
> vcmpnezb[.]: Vector Compare Not Equal or Zero Byte
> vcmpnezh[.]: Vector Compare Not Equal or Zero Halfword
> vcmpnezw[.]: Vector Compare Not Equal or Zero Word
>
> Signed-off-by: Swapnil Bokade <bokadeswapnil@gmail.com>
> [ collapse switch case ]
> Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
> ---
>  target-ppc/helper.h             |  6 ++++++
>  target-ppc/int_helper.c         | 36 ++++++++++++++++++++++++++++++++++++
>  target-ppc/translate/vmx-impl.c |  3 +++
>  target-ppc/translate/vmx-ops.c  |  9 +++++++++
>  4 files changed, 54 insertions(+)

Reviewed-by: Richard Henderson <rth@twiddle.net>


r~
diff mbox

Patch

diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 1e68060..e6ce3ab 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -144,6 +144,9 @@  DEF_HELPER_4(vcmpequb, void, env, avr, avr, avr)
 DEF_HELPER_4(vcmpequh, void, env, avr, avr, avr)
 DEF_HELPER_4(vcmpequw, void, env, avr, avr, avr)
 DEF_HELPER_4(vcmpequd, void, env, avr, avr, avr)
+DEF_HELPER_4(vcmpnezb, void, env, avr, avr, avr)
+DEF_HELPER_4(vcmpnezh, void, env, avr, avr, avr)
+DEF_HELPER_4(vcmpnezw, void, env, avr, avr, avr)
 DEF_HELPER_4(vcmpgtub, void, env, avr, avr, avr)
 DEF_HELPER_4(vcmpgtuh, void, env, avr, avr, avr)
 DEF_HELPER_4(vcmpgtuw, void, env, avr, avr, avr)
@@ -160,6 +163,9 @@  DEF_HELPER_4(vcmpequb_dot, void, env, avr, avr, avr)
 DEF_HELPER_4(vcmpequh_dot, void, env, avr, avr, avr)
 DEF_HELPER_4(vcmpequw_dot, void, env, avr, avr, avr)
 DEF_HELPER_4(vcmpequd_dot, void, env, avr, avr, avr)
+DEF_HELPER_4(vcmpnezb_dot, void, env, avr, avr, avr)
+DEF_HELPER_4(vcmpnezh_dot, void, env, avr, avr, avr)
+DEF_HELPER_4(vcmpnezw_dot, void, env, avr, avr, avr)
 DEF_HELPER_4(vcmpgtub_dot, void, env, avr, avr, avr)
 DEF_HELPER_4(vcmpgtuh_dot, void, env, avr, avr, avr)
 DEF_HELPER_4(vcmpgtuw_dot, void, env, avr, avr, avr)
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index ef487d0..9b4de69 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -719,6 +719,42 @@  VCMP(gtsd, >, s64)
 #undef VCMP_DO
 #undef VCMP
 
+#define VCMPNEZ_DO(suffix, element, etype, record)                   \
+void helper_vcmpnez##suffix(CPUPPCState *env, ppc_avr_t *r,          \
+                            ppc_avr_t *a, ppc_avr_t *b)                 \
+{                                                                       \
+    etype ones = (etype)-1;                                             \
+    etype all = ones;                                                   \
+    etype none = 0;                                                     \
+    int i;                                                              \
+                                                                        \
+    for (i = 0; i < ARRAY_SIZE(r->element); i++) {                      \
+        etype result = ((a->element[i] == 0)                            \
+                           || (b->element[i] == 0)                      \
+                           || (a->element[i] != b->element[i]) ?        \
+                           ones : 0x0);                                 \
+        r->element[i] = result;                                         \
+        all &= result;                                                  \
+        none |= result;                                                 \
+    }                                                                   \
+    if (record) {                                                       \
+        env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1);           \
+    }                                                                   \
+}
+
+/* VCMPNEZ - Vector compare not equal to zero
+ *   suffix  - instruction mnemonic suffix (b: byte, h: halfword, w: word)
+ *   element - element type to access from vector
+ */
+#define VCMPNEZ(suffix, element, etype)         \
+    VCMPNEZ_DO(suffix, element, etype, 0)       \
+    VCMPNEZ_DO(suffix##_dot, element, etype, 1)
+VCMPNEZ(b, u8, uint8_t)
+VCMPNEZ(h, u16, uint16_t)
+VCMPNEZ(w, u32, uint32_t)
+#undef VCMPNEZ_DO
+#undef VCMPNEZ
+
 #define VCMPFP_DO(suffix, compare, order, record)                       \
     void helper_vcmp##suffix(CPUPPCState *env, ppc_avr_t *r,            \
                              ppc_avr_t *a, ppc_avr_t *b)                \
diff --git a/target-ppc/translate/vmx-impl.c b/target-ppc/translate/vmx-impl.c
index f4ee05b..da11632 100644
--- a/target-ppc/translate/vmx-impl.c
+++ b/target-ppc/translate/vmx-impl.c
@@ -477,6 +477,9 @@  GEN_VXRFORM(vcmpequb, 3, 0)
 GEN_VXRFORM(vcmpequh, 3, 1)
 GEN_VXRFORM(vcmpequw, 3, 2)
 GEN_VXRFORM(vcmpequd, 3, 3)
+GEN_VXRFORM(vcmpnezb, 3, 4)
+GEN_VXRFORM(vcmpnezh, 3, 5)
+GEN_VXRFORM(vcmpnezw, 3, 6)
 GEN_VXRFORM(vcmpgtsb, 3, 12)
 GEN_VXRFORM(vcmpgtsh, 3, 13)
 GEN_VXRFORM(vcmpgtsw, 3, 14)
diff --git a/target-ppc/translate/vmx-ops.c b/target-ppc/translate/vmx-ops.c
index abdef6e..137f00b 100644
--- a/target-ppc/translate/vmx-ops.c
+++ b/target-ppc/translate/vmx-ops.c
@@ -160,12 +160,21 @@  GEN_VXFORM(vminfp, 5, 17),
 
 #define GEN_VXRFORM1(opname, name, str, opc2, opc3)                     \
     GEN_HANDLER2(name, str, 0x4, opc2, opc3, 0x00000000, PPC_ALTIVEC),
+#define GEN_VXRFORM1_300(opname, name, str, opc2, opc3)                 \
+GEN_HANDLER2_E(name, str, 0x4, opc2, opc3, 0x00000000, PPC_NONE, PPC2_ISA300),
 #define GEN_VXRFORM(name, opc2, opc3)                                \
     GEN_VXRFORM1(name, name, #name, opc2, opc3)                      \
     GEN_VXRFORM1(name##_dot, name##_, #name ".", opc2, (opc3 | (0x1 << 4)))
+#define GEN_VXRFORM_300(name, opc2, opc3)                                   \
+    GEN_VXRFORM1_300(name, name, #name, opc2, opc3)                         \
+    GEN_VXRFORM1_300(name##_dot, name##_, #name ".", opc2, (opc3 | (0x1 << 4)))
+
 GEN_VXRFORM(vcmpequb, 3, 0)
 GEN_VXRFORM(vcmpequh, 3, 1)
 GEN_VXRFORM(vcmpequw, 3, 2)
+GEN_VXRFORM_300(vcmpnezb, 3, 4)
+GEN_VXRFORM_300(vcmpnezh, 3, 5)
+GEN_VXRFORM_300(vcmpnezw, 3, 6)
 GEN_VXRFORM(vcmpgtsb, 3, 12)
 GEN_VXRFORM(vcmpgtsh, 3, 13)
 GEN_VXRFORM(vcmpgtsw, 3, 14)