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* [binutils-gdb] ppc/svp64: support svindex instruction
@ 2022-08-11 9:09 Alan Modra
0 siblings, 0 replies; only message in thread
From: Alan Modra @ 2022-08-11 9:09 UTC (permalink / raw)
To: bfd-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=537710a69cf440250c27a59b7d01b5a5a1a9b462
commit 537710a69cf440250c27a59b7d01b5a5a1a9b462
Author: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Mon Jul 25 16:10:20 2022 +0300
ppc/svp64: support svindex instruction
https://libre-soc.org/openpower/sv/
https://libre-soc.org/openpower/sv/remap/#svindex
https://libre-soc.org/openpower/isa/simplev/
Diff:
---
gas/testsuite/gas/ppc/ppc.exp | 1 +
gas/testsuite/gas/ppc/svindex.d | 16 ++++++++++++++++
gas/testsuite/gas/ppc/svindex.s | 8 ++++++++
opcodes/ppc-opc.c | 15 +++++++++++++++
4 files changed, 40 insertions(+)
diff --git a/gas/testsuite/gas/ppc/ppc.exp b/gas/testsuite/gas/ppc/ppc.exp
index 9f02fa75c21..53c2d0dc328 100644
--- a/gas/testsuite/gas/ppc/ppc.exp
+++ b/gas/testsuite/gas/ppc/ppc.exp
@@ -159,3 +159,4 @@ run_dump_test "setvl"
run_dump_test "svstep"
run_dump_test "svshape"
run_dump_test "svremap"
+run_dump_test "svindex"
diff --git a/gas/testsuite/gas/ppc/svindex.d b/gas/testsuite/gas/ppc/svindex.d
new file mode 100644
index 00000000000..f573b854d89
--- /dev/null
+++ b/gas/testsuite/gas/ppc/svindex.d
@@ -0,0 +1,16 @@
+#as: -mlibresoc
+#objdump: -dr -Mlibresoc
+
+.*: file format .*
+
+
+Disassembly of section \.text:
+0+ <\.text>:
+.*: (29 00 00 58|58 00 00 29) svindex 0,0,1,0,0,0,0
+.*: (29 00 e0 5b|5b e0 00 29) svindex 31,0,1,0,0,0,0
+.*: (29 00 1f 58|58 1f 00 29) svindex 0,31,1,0,0,0,0
+.*: (29 f8 00 58|58 00 f8 29) svindex 0,0,32,0,0,0,0
+.*: (29 06 00 58|58 00 06 29) svindex 0,0,1,3,0,0,0
+.*: (29 01 00 58|58 00 01 29) svindex 0,0,1,0,1,0,0
+.*: (a9 00 00 58|58 00 00 a9) svindex 0,0,1,0,0,1,0
+.*: (69 00 00 58|58 00 00 69) svindex 0,0,1,0,0,0,1
diff --git a/gas/testsuite/gas/ppc/svindex.s b/gas/testsuite/gas/ppc/svindex.s
new file mode 100644
index 00000000000..ab256c433b2
--- /dev/null
+++ b/gas/testsuite/gas/ppc/svindex.s
@@ -0,0 +1,8 @@
+svindex 0,0,1,0,0,0,0
+svindex 31,0,1,0,0,0,0
+svindex 0,31,1,0,0,0,0
+svindex 0,0,32,0,0,0,0
+svindex 0,0,1,3,0,0,0
+svindex 0,0,1,0,1,0,0
+svindex 0,0,1,0,0,1,0
+svindex 0,0,1,0,0,0,1
diff --git a/opcodes/ppc-opc.c b/opcodes/ppc-opc.c
index af67d6dce82..934b1bf4e85 100644
--- a/opcodes/ppc-opc.c
+++ b/opcodes/ppc-opc.c
@@ -3509,6 +3509,7 @@ const struct powerpc_operand powerpc_operands[] =
#define TO TBR + 1
#define DUI TO
#define SVme TO
+#define SVG TO
#define TO_MASK (0x1f << 21)
{ 0x1f, 21, NULL, NULL, 0 },
@@ -3556,6 +3557,7 @@ const struct powerpc_operand powerpc_operands[] =
/* The UIMM field in a VX form instruction. */
#define UIMM SIMM + 1
#define DCTL UIMM
+#define rmm UIMM
{ 0x1f, 16, NULL, NULL, 0 },
/* The 3-bit UIMM field in a VX form instruction. */
@@ -3648,6 +3650,7 @@ const struct powerpc_operand powerpc_operands[] =
/* The RMC or CY field in a Z23 form instruction. */
#define RMC A_L + 1
#define CY RMC
+#define ew RMC
{ 0x3, 9, NULL, NULL, 0 },
#define R RMC + 1
@@ -3836,12 +3839,15 @@ const struct powerpc_operand powerpc_operands[] =
{ 0x3f, 9, NULL, NULL, PPC_OPERAND_NONZERO },
#define vf SVi + 1
+#define sk vf
{ 0x1, 6, NULL, NULL, 0 },
#define vs vf + 1
+#define mm vs
{ 0x1, 7, NULL, NULL, 0 },
#define ms vs + 1
+#define yx ms
{ 0x1, 8, NULL, NULL, 0 },
#define SVLcr ms + 1
@@ -3854,6 +3860,7 @@ const struct powerpc_operand powerpc_operands[] =
{ 0x1f, 16, NULL, NULL, PPC_OPERAND_NONZERO },
#define SVzd SVyd + 1
+#define SVd SVzd
{ 0x1f, 11, NULL, NULL, PPC_OPERAND_NONZERO },
#define SVrm SVzd + 1
@@ -4758,6 +4765,12 @@ const unsigned int num_powerpc_operands = (sizeof (powerpc_operands)
| (((uint64_t)(xop)) & 0x3f))
#define SVRM_MASK SVRM (0x3f, 0x3f)
+/* An SVI form instruction. */
+#define SVI(op, xop) \
+ (OP (op) \
+ | (((uint64_t)(xop)) & 0x3f))
+#define SVI_MASK SVI (0x3f, 0x3f)
+
/* The BO encodings used in extended conditional branch mnemonics. */
#define BODNZF (0x0)
#define BODNZFP (0x1)
@@ -6835,6 +6848,8 @@ const struct powerpc_opcode powerpc_opcodes[] = {
{"setvl", SVL(22,27,0), SVL_MASK, SVP64, PPCVLE, {RT, RA, SVi, vf, vs, ms}},
{"setvl.", SVL(22,27,1), SVL_MASK, SVP64, PPCVLE, {RT, RA, SVi, vf, vs, ms}},
+{"svindex", SVI(22,41), SVI_MASK, SVP64, PPCVLE, {SVG, rmm, SVd, ew, yx, mm, sk}},
+
{"svremap", SVRM(22,57), SVRM_MASK, SVP64, PPCVLE, {SVme, mi0, mi1, mi2, mo0, mo1, pst}},
{"rotlw", MME(23,31,0), MMBME_MASK, PPCCOM, PPCVLE|EXT, {RA, RS, RB}},
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