diff mbox

[4/4] target-ppc: add vrldnm and vrlwnm instructions

Message ID 1477300500-25930-5-git-send-email-nikunj@linux.vnet.ibm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Nikunj A. Dadhania Oct. 24, 2016, 9:15 a.m. UTC 
From: Bharata B Rao <bharata@linux.vnet.ibm.com>

vrldnm: Vector Rotate Left Doubleword then AND with Mask
vrlwnm: Vector Rotate Left Word then AND with Mask

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
---
 disas/ppc.c                         |  2 ++
 target-ppc/helper.h                 |  2 ++
 target-ppc/int_helper.c             | 26 ++++++++++++++++++++++----
 target-ppc/translate/vmx-impl.inc.c |  6 ++++++
 target-ppc/translate/vmx-ops.inc.c  |  4 ++--
 5 files changed, 34 insertions(+), 6 deletions(-)
diff mbox

Patch

diff --git a/disas/ppc.c b/disas/ppc.c
index 32f0d8d..bd05623 100644
--- a/disas/ppc.c
+++ b/disas/ppc.c
@@ -2287,7 +2287,9 @@  const struct powerpc_opcode powerpc_opcodes[] = {
 { "vrlw",      VX(4,  132), VX_MASK,	PPCVEC,		{ VD, VA, VB } },
 { "vrsqrtefp", VX(4,  330), VX_MASK,	PPCVEC,		{ VD, VB } },
 { "vrldmi",    VX(4,  197), VX_MASK,    PPCVEC,         { VD, VA, VB } },
+{ "vrldnm",    VX(4,  453), VX_MASK,    PPCVEC,         { VD, VA, VB } },
 { "vrlwmi",    VX(4,  133), VX_MASK,    PPCVEC,         { VD, VA, VB} },
+{ "vrlwnm",    VX(4,  389), VX_MASK,    PPCVEC,         { VD, VA, VB } },
 { "vsel",      VXA(4,  42), VXA_MASK,	PPCVEC,		{ VD, VA, VB, VC } },
 { "vsl",       VX(4,  452), VX_MASK,	PPCVEC,		{ VD, VA, VB } },
 { "vslb",      VX(4,  260), VX_MASK,	PPCVEC,		{ VD, VA, VB } },
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 9fb8f0d..d6ee26e 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -327,6 +327,8 @@  DEF_HELPER_3(vrefp, void, env, avr, avr)
 DEF_HELPER_3(vrsqrtefp, void, env, avr, avr)
 DEF_HELPER_3(vrlwmi, void, avr, avr, avr)
 DEF_HELPER_3(vrldmi, void, avr, avr, avr)
+DEF_HELPER_3(vrldnm, void, avr, avr, avr)
+DEF_HELPER_3(vrlwnm, void, avr, avr, avr)
 DEF_HELPER_5(vmaddfp, void, env, avr, avr, avr, avr)
 DEF_HELPER_5(vnmsubfp, void, env, avr, avr, avr, avr)
 DEF_HELPER_3(vexptefp, void, env, avr, avr)
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index 2273872..29d7afc 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -1776,7 +1776,7 @@  LEFT_ROTATE(64);
 #define VRLMI(name, size, element,                                  \
                      begin_first, begin_last,                       \
                      end_first, end_last,                           \
-                     shift_first, shift_last)                       \
+                     shift_first, shift_last, insert)               \
 void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)        \
 {                                                                   \
     int i;                                                          \
@@ -1791,19 +1791,37 @@  void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)        \
         shift = extract_bits_u##size(src2, shift_first, shift_last);\
         rot_val = left_rotate_u##size(src1, shift);                 \
         mask = mask_u##size(begin, end);                            \
-        r->element[i] = (rot_val & mask) | (src3 & ~mask);          \
+        if (insert) {                                               \
+            r->element[i] = (rot_val & mask) | (src3 & ~mask);      \
+        } else {                                                    \
+            r->element[i] = (rot_val & mask);                       \
+        }                                                           \
     }                                                               \
 }
 
 VRLMI(vrldmi, 64, u64,
              42, 47,  /* begin_first, begin_last */
              50, 55,  /* end_first, end_last */
-             58, 63); /* shift_first, shift_last */
+             58, 63,  /* shift_first, shift_last */
+             1);      /* mask and insert */
 
 VRLMI(vrlwmi, 32, u32,
              11, 15,  /* begin_first, begin_last */
              19, 23,  /* end_first, end_last */
-             27, 31); /* shift_first, shift_last */
+             27, 31,  /* shift_first, shift_last */
+             1);      /* mask and insert */
+
+VRLMI(vrldnm, 64, u64,
+             42, 47,  /* begin_first, begin_last */
+             50, 55,  /* end_first, end_last */
+             58, 63,  /* shift_first, shift_last */
+             0);      /* mask only */
+
+VRLMI(vrlwnm, 32, u32,
+             11, 15,  /* begin_first, begin_last */
+             19, 23,  /* end_first, end_last */
+             27, 31,  /* shift_first, shift_last */
+             0);      /* mask only */
 
 void helper_vsel(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b,
                  ppc_avr_t *c)
diff --git a/target-ppc/translate/vmx-impl.inc.c b/target-ppc/translate/vmx-impl.inc.c
index fdfbd6a..500c43f 100644
--- a/target-ppc/translate/vmx-impl.inc.c
+++ b/target-ppc/translate/vmx-impl.inc.c
@@ -442,6 +442,9 @@  GEN_VXFORM(vmulesw, 4, 14);
 GEN_VXFORM(vslb, 2, 4);
 GEN_VXFORM(vslh, 2, 5);
 GEN_VXFORM(vslw, 2, 6);
+GEN_VXFORM(vrlwnm, 2, 6);
+GEN_VXFORM_DUAL(vslw, PPC_ALTIVEC, PPC_NONE, \
+                vrlwnm, PPC_NONE, PPC2_ISA300)
 GEN_VXFORM(vsld, 2, 23);
 GEN_VXFORM(vsrb, 2, 8);
 GEN_VXFORM(vsrh, 2, 9);
@@ -496,6 +499,9 @@  GEN_VXFORM(vrldmi, 2, 3);
 GEN_VXFORM_DUAL(vrld, PPC_NONE, PPC2_ALTIVEC_207, \
                 vrldmi, PPC_NONE, PPC2_ISA300)
 GEN_VXFORM(vsl, 2, 7);
+GEN_VXFORM(vrldnm, 2, 7);
+GEN_VXFORM_DUAL(vsl, PPC_ALTIVEC, PPC_NONE, \
+                vrldnm, PPC_NONE, PPC2_ISA300)
 GEN_VXFORM(vsr, 2, 11);
 GEN_VXFORM_ENV(vpkuhum, 7, 0);
 GEN_VXFORM_ENV(vpkuwum, 7, 1);
diff --git a/target-ppc/translate/vmx-ops.inc.c b/target-ppc/translate/vmx-ops.inc.c
index 76b3593..a5ad4d4 100644
--- a/target-ppc/translate/vmx-ops.inc.c
+++ b/target-ppc/translate/vmx-ops.inc.c
@@ -107,7 +107,7 @@  GEN_VXFORM(vmulesh, 4, 13),
 GEN_VXFORM_207(vmulesw, 4, 14),
 GEN_VXFORM(vslb, 2, 4),
 GEN_VXFORM(vslh, 2, 5),
-GEN_VXFORM(vslw, 2, 6),
+GEN_VXFORM_DUAL(vslw, vrlwnm, 2, 6, PPC_ALTIVEC, PPC_NONE),
 GEN_VXFORM_207(vsld, 2, 23),
 GEN_VXFORM(vsrb, 2, 8),
 GEN_VXFORM(vsrh, 2, 9),
@@ -145,7 +145,7 @@  GEN_VXFORM(vrlb, 2, 0),
 GEN_VXFORM(vrlh, 2, 1),
 GEN_VXFORM_DUAL(vrlw, vrlwmi, 2, 2, PPC_ALTIVEC, PPC_NONE),
 GEN_VXFORM_DUAL(vrld, vrldmi, 2, 3, PPC_NONE, PPC2_ALTIVEC_207),
-GEN_VXFORM(vsl, 2, 7),
+GEN_VXFORM_DUAL(vsl, vrldnm, 2, 7, PPC_ALTIVEC, PPC_NONE),
 GEN_VXFORM(vsr, 2, 11),
 GEN_VXFORM(vpkuhum, 7, 0),
 GEN_VXFORM(vpkuwum, 7, 1),