[binutils-gdb] Add support for cmtst.

[Jim Wilson <wilson at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=fbf32f638c7e2a80542cb90626a22a6b5bb3e580

commit fbf32f638c7e2a80542cb90626a22a6b5bb3e580
Author: Jim Wilson <jim.wilson@linaro.org>
Date:   Mon Jan 23 17:26:53 2017 -0800

    Add support for cmtst.
    
    	sim/aarch64/
    	* simulator.c (do_vec_compare): Add case 0x23 for CMTST.
    
    	sim/testsuite/sim/aarch64/
    	* cmtst.s: New.

Diff:
---
 sim/aarch64/ChangeLog               |   4 ++
 sim/aarch64/simulator.c             |   1 +
 sim/testsuite/sim/aarch64/ChangeLog |   4 ++
 sim/testsuite/sim/aarch64/cmtst.s   | 104 ++++++++++++++++++++++++++++++++++++
 4 files changed, 113 insertions(+)

diff --git a/sim/aarch64/ChangeLog b/sim/aarch64/ChangeLog
index d9dd4f6..f9a62e7 100644
--- a/sim/aarch64/ChangeLog
+++ b/sim/aarch64/ChangeLog
@@ -1,3 +1,7 @@
+2017-01-23  Jim Wilson  <jim.wilson@linaro.org>
+
+	* simulator.c (do_vec_compare): Add case 0x23 for CMTST.
+
 2017-01-17  Jim Wilson  <jim.wilson@linaro.org>
 
 	* simulator.c (do_vec_ADDV): Call aarch64_set_vec_u64 instead of
diff --git a/sim/aarch64/simulator.c b/sim/aarch64/simulator.c
index c8e65c5..a44e70a 100644
--- a/sim/aarch64/simulator.c
+++ b/sim/aarch64/simulator.c
@@ -4742,6 +4742,7 @@ do_vec_compare (sim_cpu *cpu)
 	case 0x0D: /* 0001101 GT */     VEC_CMP  (s, > );
 	case 0x0F: /* 0001111 GE */     VEC_CMP  (s, >= );
 	case 0x22: /* 0100010 GT #0 */  VEC_CMP0 (s, > );
+	case 0x23: /* 0100011 TST */	VEC_CMP  (u, & );
 	case 0x26: /* 0100110 EQ #0 */  VEC_CMP0 (s, == );
 	case 0x2A: /* 0101010 LT #0 */  VEC_CMP0 (s, < );
 	case 0x4D: /* 1001101 HI */     VEC_CMP  (u, > );
diff --git a/sim/testsuite/sim/aarch64/ChangeLog b/sim/testsuite/sim/aarch64/ChangeLog
index 7e48dd1..6a39354 100644
--- a/sim/testsuite/sim/aarch64/ChangeLog
+++ b/sim/testsuite/sim/aarch64/ChangeLog
@@ -1,3 +1,7 @@
+2017-01-23  Jim Wilson  <jim.wilson@linaro.org>
+
+	* cmtst.s: New.
+
 2017-01-17  Jim Wilson  <jim.wilson@linaro.org>
 
 	* addv.s: New.
diff --git a/sim/testsuite/sim/aarch64/cmtst.s b/sim/testsuite/sim/aarch64/cmtst.s
new file mode 100644
index 0000000..64c8b27
--- /dev/null
+++ b/sim/testsuite/sim/aarch64/cmtst.s
@@ -0,0 +1,104 @@
+# mach: aarch64
+
+# Check the vector compare bitwise test instruction: cmtst.
+
+.include "testutils.inc"
+
+	.data
+	.align 4
+inputb:
+	.word 0x04030201
+	.word 0x08070605
+	.word 0x0c0b0a09
+	.word 0x100f0e0d
+inputh:
+	.word 0x00020001
+	.word 0x00040003
+	.word 0x00060005
+	.word 0x00800007
+inputs:
+	.word 0x00000001
+	.word 0x00000002
+	.word 0x00000003
+	.word 0x00000004
+inputd:
+	.word 0x00000001
+	.word 0x00000000
+	.word 0x00000002
+	.word 0x00000000
+inputd2:
+	.word 0x00000003
+	.word 0x00000000
+	.word 0x00000004
+	.word 0x00000000
+
+	start
+	adrp x0, inputb
+	ldr q0, [x0, #:lo12:inputb]
+	rev64 v1.16b, v0.16b
+
+	cmtst v2.8b, v0.8b, v1.8b
+	addv b3, v2.8b
+	mov x1, v3.d[0]
+	cmp x1, #0x5fa
+	bne .Lfailure
+
+	cmtst v2.16b, v0.16b, v1.16b
+	addv b3, v2.16b
+	mov x1, v3.d[0]
+	cmp x1, #0xbf4
+	bne .Lfailure
+
+	adrp x0, inputh
+	ldr q0, [x0, #:lo12:inputh]
+	rev64 v1.8h, v0.8h
+
+	cmtst v2.4h, v0.4h, v1.4h
+	addv h3, v2.4h
+	mov x1, v3.d[0]
+	mov x2, #0x1fffe
+	cmp x1, x2
+	bne .Lfailure
+
+	cmtst v2.8h, v0.8h, v1.8h
+	addv h3, v2.8h
+	mov x1, v3.d[0]
+	mov x2, #0x3fffc
+	cmp x1, x2
+	bne .Lfailure
+
+	adrp x0, inputs
+	ldr q0, [x0, #:lo12:inputs]
+	mov v1.d[0], v0.d[1]
+	mov v1.d[1], v0.d[0]
+	rev64 v1.4s, v1.4s
+
+	cmtst v2.2s, v0.2s, v1.2s
+	mov x1, v2.d[0]
+	mov x2, #0xffffffff00000000
+	cmp x1, x2
+	bne .Lfailure
+
+	cmtst v2.4s, v0.4s, v1.4s
+	addv s3, v2.4s
+	mov x1, v3.d[0]
+	mov x2, #0x1fffffffe
+	cmp x1, x2
+	bne .Lfailure
+
+	adrp x0, inputd
+	ldr q0, [x0, #:lo12:inputd]
+	adrp x0, inputd2
+	ldr q1, [x0, #:lo12:inputd2]
+	
+	cmtst v2.2d, v0.2d, v1.2d
+	mov x1, v2.d[0]
+	cmp x1, #-1
+	bne .Lfailure
+	mov x2, v2.d[1]
+	cmp x2, #0
+	bne .Lfailure
+
+	pass
+.Lfailure:
+	fail