aarch64: Add SVE2.1 Contiguous load/store instructions.

Hi,

This patch add support for SVE2.1 instructions ld1q,
ld2q, ld3q and ld4q, st1q, st2q, st3q and st4q.

Regression testing for aarch64-none-elf target and found no regressions.

Ok for binutils-master?

Regards,
Srinath.

4 files changed, 46 insertions, 0 deletions

diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index 0665732..5eff6a7 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -6749,6 +6749,9 @@ parse_operands (char *str, const aarch64_opcode *opcode)
 	case AARCH64_OPND_SVE_ZtxN:
 	case AARCH64_OPND_SME_Zdnx2:
 	case AARCH64_OPND_SME_Zdnx4:
+	case AARCH64_OPND_SME_Zt2:
+	case AARCH64_OPND_SME_Zt3:
+	case AARCH64_OPND_SME_Zt4:
 	case AARCH64_OPND_SME_Zmx2:
 	case AARCH64_OPND_SME_Zmx4:
 	case AARCH64_OPND_SME_Znx2:
diff --git a/gas/testsuite/gas/aarch64/sve2p1-1-bad.l b/gas/testsuite/gas/aarch64/sve2p1-1-bad.l
index 08aef46..50a4bac 100644
--- a/gas/testsuite/gas/aarch64/sve2p1-1-bad.l
+++ b/gas/testsuite/gas/aarch64/sve2p1-1-bad.l
@@ -80,3 +80,17 @@
 .*: Error: selected processor does not support `fminqv v4.2d,p3,z2.d'
 .*: Error: selected processor does not support `fminqv v8.2d,p4,z1.d'
 .*: Error: selected processor does not support `fminqv v16.4s,p7,z0.s'
+.*: Error: selected processor does not support `ld1q Z0.Q,p4/Z,\[Z16.D,x0\]'
+.*: Error: selected processor does not support `ld2q {Z0.Q,Z1.Q},p4/Z,\[x0,#-4,MUL VL\]'
+.*: Error: selected processor does not support `ld3q {Z0.Q,Z1.Q,Z2.Q},p4/Z,\[x0,#-4,MUL VL\]'
+.*: Error: selected processor does not support `ld4q {Z0.Q,Z1.Q,Z2.Q,Z3.Q},p4/Z,\[x0,#-4,MUL VL\]'
+.*: Error: selected processor does not support `ld2q {Z0.Q,Z1.Q},p4/Z,\[x0,x2,lsl#4\]'
+.*: Error: selected processor does not support `ld3q {Z0.Q,Z1.Q,Z2.Q},p4/Z,\[x0,x4,lsl#4\]'
+.*: Error: selected processor does not support `ld4q {Z0.Q,Z1.Q,Z2.Q,Z3.Q},p4/Z,\[x0,x6,lsl#4\]'
+.*: Error: selected processor does not support `st1q Z0.Q,p4,\[Z16.D,x0\]'
+.*: Error: selected processor does not support `st2q {Z0.Q,Z1.Q},p4,\[x0,#-4,MUL VL\]'
+.*: Error: selected processor does not support `st3q {Z0.Q,Z1.Q,Z2.Q},p4,\[x0,#-4,MUL VL\]'
+.*: Error: selected processor does not support `st4q {Z0.Q,Z1.Q,Z2.Q,Z3.Q},p4,\[x0,#-4,MUL VL\]'
+.*: Error: selected processor does not support `st2q {Z0.Q,Z1.Q},p4,\[x0,x2,lsl#4\]'
+.*: Error: selected processor does not support `st3q {Z0.Q,Z1.Q,Z2.Q},p4,\[x0,x4,lsl#4\]'
+.*: Error: selected processor does not support `st4q {Z0.Q,Z1.Q,Z2.Q,Z3.Q},p4,\[x0,x6,lsl#4\]'
diff --git a/gas/testsuite/gas/aarch64/sve2p1-1.d b/gas/testsuite/gas/aarch64/sve2p1-1.d
index 437ce97..daece89 100644
--- a/gas/testsuite/gas/aarch64/sve2p1-1.d
+++ b/gas/testsuite/gas/aarch64/sve2p1-1.d
@@ -89,3 +89,17 @@
 .*:	64d7ac44 	fminqv	v4.2d, p3, z2.d
 .*:	64d7b028 	fminqv	v8.2d, p4, z1.d
 .*:	6497bc10 	fminqv	v16.4s, p7, z0.s
+.*:	c400b200 	ld1q	z0.q, p4/z, \[z16.d, x0\]
+.*:	a49ef000 	ld2q	{z0.q, z1.q}, p4/z, \[x0, #-4, mul vl\]
+.*:	a51ef000 	ld3q	{z0.q, z1.q, z2.q}, p4/z, \[x0, #-4, mul vl\]
+.*:	a59ef000 	ld4q	{z0.q, z1.q, z2.q, z3.q}, p4/z, \[x0, #-4, mul vl\]
+.*:	a4a2f000 	ld2h	{z0.h-z1.h}, p4/z, \[x0, #4, mul vl\]
+.*:	a5249000 	ld3q	{z0.q, z1.q, z2.q}, p4/z, \[x0, x4, lsl #4\]
+.*:	a5a69000 	ld4q	{z0.q, z1.q, z2.q, z3.q}, p4/z, \[x0, x6, lsl #4\]
+.*:	e4203200 	st1q	z0.q, p4, \[z16.d, x0\]
+.*:	e44e1000 	st2q	{z0.q, z1.q}, p4, \[x0, #-4, mul vl\]
+.*:	e48e1000 	st3q	{z0.q, z1.q, z2.q}, p4, \[x0, #-4, mul vl\]
+.*:	e4ce1000 	st4q	{z0.q, z1.q, z2.q, z3.q}, p4, \[x0, #-4, mul vl\]
+.*:	e4621000 	st2q	{z0.q, z1.q}, p4, \[x0, x2, lsl #4\]
+.*:	e4a41000 	st3q	{z0.q, z1.q, z2.q}, p4, \[x0, x4, lsl #4\]
+.*:	e4e61000 	st4q	{z0.q, z1.q, z2.q, z3.q}, p4, \[x0, x6, lsl #4\]
diff --git a/gas/testsuite/gas/aarch64/sve2p1-1.s b/gas/testsuite/gas/aarch64/sve2p1-1.s
index b4908b2..2a1c7c1 100644
--- a/gas/testsuite/gas/aarch64/sve2p1-1.s
+++ b/gas/testsuite/gas/aarch64/sve2p1-1.s
@@ -90,3 +90,18 @@ fminqv v2.4s, p2, z4.s
 fminqv v4.2d, p3, z2.d
 fminqv v8.2d, p4, z1.d
 fminqv v16.4s, p7, z0.s
+ld1q Z0.Q, p4/Z, [Z16.D, x0]
+ld2q {Z0.Q, Z1.Q}, p4/Z, [x0,  #-4, MUL VL]
+ld3q {Z0.Q, Z1.Q, Z2.Q}, p4/Z, [x0,  #-4, MUL VL]
+ld4q {Z0.Q, Z1.Q, Z2.Q, Z3.Q}, p4/Z, [x0,  #-4, MUL VL]
+ld2q {Z0.Q, Z1.Q}, p4/Z, [x0, x2, lsl  #4]
+ld3q {Z0.Q, Z1.Q, Z2.Q}, p4/Z, [x0, x4, lsl  #4]
+ld4q {Z0.Q, Z1.Q, Z2.Q, Z3.Q}, p4/Z, [x0, x6, lsl  #4]
+
+st1q Z0.Q, p4, [Z16.D, x0]
+st2q {Z0.Q, Z1.Q}, p4, [x0,  #-4, MUL VL]
+st3q {Z0.Q, Z1.Q, Z2.Q}, p4, [x0,  #-4, MUL VL]
+st4q {Z0.Q, Z1.Q, Z2.Q, Z3.Q}, p4, [x0,  #-4, MUL VL]
+st2q {Z0.Q, Z1.Q}, p4, [x0, x2, lsl  #4]
+st3q {Z0.Q, Z1.Q, Z2.Q}, p4, [x0, x4, lsl  #4]
+st4q {Z0.Q, Z1.Q, Z2.Q, Z3.Q}, p4, [x0, x6, lsl  #4]