xtensa: gas: add relaxations tests

gas/
2019-04-11  Max Filippov  <jcmvbkbc@gmail.com>

	* testsuite/gas/xtensa/loop-relax-2.d: New test definition.
	* testsuite/gas/xtensa/loop-relax.d: New test definition.
	* testsuite/gas/xtensa/loop-relax.s: New test source.
	* testsuite/gas/xtensa/text-section-literals-1a.d: New test
	definition.
	* testsuite/gas/xtensa/text-section-literals-2.d: New test
	definition.
	* testsuite/gas/xtensa/text-section-literals-2.s: New test
	source.
	* testsuite/gas/xtensa/text-section-literals-2a.d: New test
	definition.
	* testsuite/gas/xtensa/text-section-literals-3.d: New test
	definition.
	* testsuite/gas/xtensa/text-section-literals-3.s: New test
	source.
	* testsuite/gas/xtensa/text-section-literals-4.d: New test
	definition.
	* testsuite/gas/xtensa/text-section-literals-4.s: New test
	source.
	* testsuite/gas/xtensa/text-section-literals-4a.d: New test
	definition.

gas/ChangeLog

@@ -1,3 +1,27 @@
+2019-04-11  Max Filippov  <jcmvbkbc@gmail.com>
+
+	* testsuite/gas/xtensa/loop-relax-2.d: New test definition.
+	* testsuite/gas/xtensa/loop-relax.d: New test definition.
+	* testsuite/gas/xtensa/loop-relax.s: New test source.
+	* testsuite/gas/xtensa/text-section-literals-1a.d: New test
+	definition.
+	* testsuite/gas/xtensa/text-section-literals-2.d: New test
+	definition.
+	* testsuite/gas/xtensa/text-section-literals-2.s: New test
+	source.
+	* testsuite/gas/xtensa/text-section-literals-2a.d: New test
+	definition.
+	* testsuite/gas/xtensa/text-section-literals-3.d: New test
+	definition.
+	* testsuite/gas/xtensa/text-section-literals-3.s: New test
+	source.
+	* testsuite/gas/xtensa/text-section-literals-4.d: New test
+	definition.
+	* testsuite/gas/xtensa/text-section-literals-4.s: New test
+	source.
+	* testsuite/gas/xtensa/text-section-literals-4a.d: New test
+	definition.
+
 2019-04-11  Max Filippov  <jcmvbkbc@gmail.com>
 
 	* testsuite/gas/xtensa/all.exp: Remove all expect-based

gas/testsuite/gas/xtensa/loop-relax-2.d

@@ -0,0 +1,7 @@
+#as: --text-section-literals
+#source: loop_align.s
+#objdump: -d
+
+#...
+.*loop.*a5,.*
+#...

gas/testsuite/gas/xtensa/loop-relax.d

@@ -0,0 +1,14 @@
+#as:
+#objdump: -d
+
+#...
+.*loop.*a2,.*
+.*rsr.lend.*a2
+.*wsr.lbeg.*a2
+.*l32r.*a2,.*
+.*nop
+.*wsr.lend.*a2
+.*isync
+.*rsr.lcount.*a2
+.*addi.*a2, a2, 1
+#...

gas/testsuite/gas/xtensa/loop-relax.s

@@ -0,0 +1,58 @@
+foo = 0x12345678
+bar = 0x12345679
+baz = 0x1234567a
+qux = 0x1234567b
+
+	.text
+	.globl main
+	.align 4
+main:
+	entry   sp, 32
+	movi    a2, foo
+	movi    a3, bar
+	movi    a4, baz
+	movi    a5, qux
+	movi    a6, 0
+	movi    a7, 2
+
+	loop    a2, .Lloop_end
+	j       1f
+
+2:
+	movi    a2, 10
+	loop    a2, 3f
+	addi    a6, a6, 1
+3:
+	.rep 100
+	nop
+	.endr
+
+	movi    a2, 10
+	loop    a2, 3f
+	addi    a6, a6, 1
+3:
+	.rep 100
+	nop
+	.endr
+
+	.align  4
+	.literal_position
+1:
+	beqi    a6, 2, 2b
+	movi    a2, foo
+	movi    a3, bar
+	movi    a4, baz
+	movi    a5, qux
+
+	beqi    a6, 1, 1f
+
+	addi    a6, a6, 1
+.Lloop_end:
+
+	.rep    16
+	ill
+	.endr
+
+1:
+	movi    a2, 0
+	retw

gas/testsuite/gas/xtensa/text-section-literals-1a.d

@@ -0,0 +1,18 @@
+#as: --auto-litpools
+#objdump: -d
+#source: text-section-literals-1.s
+
+.*: +file format .*xtensa.*
+#...
+Disassembly of section .init.literal:
+#...
+Disassembly of section .fini.literal:
+#...
+Disassembly of section .init:
+#...
+ *0:.*l32r.*
+#...
+Disassembly of section .fini:
+#...
+ *0:.*l32r.*
+#...

gas/testsuite/gas/xtensa/text-section-literals-2.d

@@ -0,0 +1,9 @@
+#as: --text-section-literals
+#objdump: -ds
+#Lone literal assembled successfully with --text-section-literals
+
+.*file format .*xtensa.*
+#...
+Contents of section .text:
+ 0000 12345678 .*
+#...

gas/testsuite/gas/xtensa/text-section-literals-2.s

@@ -0,0 +1,3 @@
+	.text
+
+	.literal .L0, 0x12345678

gas/testsuite/gas/xtensa/text-section-literals-2a.d

@@ -0,0 +1,10 @@
+#as: --auto-litpools
+#objdump: -ds
+#source: text-section-literals-2.s
+#Lone literal assembled successfully with --auto-litpools
+
+.*file format .*xtensa.*
+#...
+Contents of section .text:
+ 0000 12345678 .*
+#...

gas/testsuite/gas/xtensa/text-section-literals-3.d

@@ -0,0 +1,11 @@
+#as: --text-section-literals
+#objdump: -ds
+
+.*file format .*xtensa.*
+#...
+Contents of section .text:
+ 0000 12345678 .*
+#...
+00000004 <foo>:
+.*4:.*l32r.*a2, 0.*
+#...

gas/testsuite/gas/xtensa/text-section-literals-3.s

@@ -0,0 +1,3 @@
+	.text
+foo:
+	movi	a2, 0x12345678

gas/testsuite/gas/xtensa/text-section-literals-4.d

@@ -0,0 +1,9 @@
+#as: --text-section-literals --longcalls
+#objdump: -d
+
+.*file format .*xtensa.*
+#...
+00000004 <foo>:
+.*4:.*l32r.*a0, 0 .*
+.*7:.*callx0.*a0
+#...

gas/testsuite/gas/xtensa/text-section-literals-4.s

@@ -0,0 +1,3 @@
+	.text
+foo:
+	call0	bar

gas/testsuite/gas/xtensa/text-section-literals-4a.d

@@ -0,0 +1,10 @@
+#as: --auto-litpools --longcalls
+#objdump: -d
+#source: text-section-literals-4.s
+
+.*file format .*xtensa.*
+#...
+00000004 <foo>:
+.*4:.*l32r.*a0, 0 .*
+.*7:.*callx0.*a0
+#...