ppc/svp64: support bmask instruction

diff --git a/gas/testsuite/gas/ppc/bmask.d b/gas/testsuite/gas/ppc/bmask.d
new file mode 100644 (file)
index 0000000..1daf05e
--- /dev/null
+++ b/gas/testsuite/gas/ppc/bmask.d
@@ -0,0 +1,13 @@
+#as: -mlibresoc
+#objdump: -dr -Mlibresoc
+
+.*:     file format .*
+
+
+Disassembly of section \.text:
+0+ <\.text>:
+.*:\s+(5b e0 00 11|11 00 e0 5b)\s+bmask\s+r31,r0,r0,0,0
+.*:\s+(58 1f 00 11|11 00 1f 58)\s+bmask\s+r0,r31,r0,0,0
+.*:\s+(58 00 f8 11|11 f8 00 58)\s+bmask\s+r0,r0,r31,0,0
+.*:\s+(58 00 07 d1|d1 07 00 58)\s+bmask\s+r0,r0,r0,31,0
+.*:\s+(58 00 00 31|31 00 00 58)\s+bmask\s+r0,r0,r0,0,1

diff --git a/gas/testsuite/gas/ppc/bmask.s b/gas/testsuite/gas/ppc/bmask.s
new file mode 100644 (file)
index 0000000..95ff8a0
--- /dev/null
+++ b/gas/testsuite/gas/ppc/bmask.s
@@ -0,0 +1,5 @@
+bmask 31,0,0,0,0
+bmask 0,31,0,0,0
+bmask 0,0,31,0,0
+bmask 0,0,0,31,0
+bmask 0,0,0,0,1

diff --git a/gas/testsuite/gas/ppc/ppc.exp b/gas/testsuite/gas/ppc/ppc.exp
index 8918ec8d36bc09f303e84ae755041b3bdbebd590..87e0d3d89ca83960541acb2690244d998b9615b7 100644 (file)
--- a/gas/testsuite/gas/ppc/ppc.exp
+++ b/gas/testsuite/gas/ppc/ppc.exp
@@ -167,3 +167,4 @@ run_dump_test "minmax"
 run_dump_test "avgadd"
 run_dump_test "cprop"
 run_dump_test "absd"
+run_dump_test "bmask"

diff --git a/opcodes/ppc-opc.c b/opcodes/ppc-opc.c
index 333b8964fa1c3235a1ed830e9d11a530d9134234..8d3b432f04233a2983a473a5863f37fd3e31a932 100644 (file)
--- a/opcodes/ppc-opc.c
+++ b/opcodes/ppc-opc.c
@@ -3037,6 +3037,8 @@ const struct powerpc_operand powerpc_operands[] =
 #define MB CRB
 #define MB_MASK (0x1f << 6)
   { 0x1f, 6, NULL, NULL, 0 },
+  /* The bm field in an BM2 form instruction.  */
+#define bm CRB
 
   /* The CRD32 field in an XL form instruction.  */
 #define CRD32 CRB + 1
@@ -4028,6 +4030,9 @@ const struct powerpc_operand powerpc_operands[] =
 
 #define SVo mi2 + 1
   { 0xf, 22, NULL, NULL, 0 },
+
+#define LBM2 SVo + 1
+  { 0x1, 5, NULL, NULL, 0 },
 };
 
 const unsigned int num_powerpc_operands = ARRAY_SIZE (powerpc_operands);
@@ -4945,6 +4950,12 @@ const unsigned int num_powerpc_operands = ARRAY_SIZE (powerpc_operands);
    | (((uint64_t)(xop)) & 0x3f))
 #define SVI_MASK       SVI (0x3f, 0x3f)
 
+/* An BM2 form instruction. */
+#define BM2(op, xop)                           \
+  (OP (op)                                     \
+   | (((uint64_t)(xop)) & 0x1f))
+#define BM2_MASK       BM2 (0x3f, 0x1f)
+
 /* The BO encodings used in extended conditional branch mnemonics.  */
 #define BODNZF (0x0)
 #define BODNZFP        (0x1)
@@ -7019,6 +7030,8 @@ const struct powerpc_opcode powerpc_opcodes[] = {
 {"fmvis",      DX(22,3),       DX_MASK,        SVP64,  PPCVLE, {FRS, DXD}},
 {"fishmv",     DX(22,11),      DX_MASK,        SVP64,  PPCVLE, {FRS, DXD}},
 
+{"bmask",      BM2(22,17),     BM2_MASK,       SVP64,  PPCVLE, {RT, RA, RB, bm, LBM2}},
+
 {"svstep",     SVL(22,19,0),   SVL_MASK,       SVP64,  PPCVLE, {RT, SVi, vf}},
 {"svstep.",    SVL(22,19,1),   SVL_MASK,       SVP64,  PPCVLE, {RT, SVi, vf}},