PR29991, MicroMIPS flag erased after align directives

PR 29991
	* config/tc-mips.c (s_align): Call file_mips_check_options and
	mips_mark_labels.
	* testsuite/gas/mips/align-after-label.s,
	* testsuite/gas/mips/mips-align-after-label.d,
	* testsuite/gas/mips/micromips-align-after-label.d: New test.
	* testsuite/gas/mips/mips.exp: Run it.

gas/config/tc-mips.c

@@ -16262,6 +16262,8 @@ s_align (int x ATTRIBUTE_UNUSED)
   int temp, fill_value, *fill_ptr;
   long max_alignment = 28;
 
+  file_mips_check_options ();
+
   /* o Note that the assembler pulls down any immediately preceding label
        to the aligned address.
      o It's not documented but auto alignment is reinstated by
@@ -16286,6 +16288,9 @@ s_align (int x ATTRIBUTE_UNUSED)
     }
   else
     fill_ptr = 0;
+
+  mips_mark_labels ();
+
   if (temp)
     {
       segment_info_type *si = seg_info (now_seg);

gas/testsuite/gas/mips/align-after-label.s

@@ -0,0 +1,3 @@
+seg1:
+	.align 2
+	ADDIU $0, $0, 1

gas/testsuite/gas/mips/micromips-align-after-label.d

@@ -0,0 +1,13 @@
+#objdump: -dr --show-raw-insn
+#name: microMIPSr3 (align after label)
+#as: -mips32r3 -32 -mmicromips -EB
+#source: align-after-label.s
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+
+[0-9a-f]+ <seg1>:
+[ 0-9a-f]+:	4c02      	addiu	zero,zero,1
+[ 0-9a-f]+:	0c00      	nop
+#pass

gas/testsuite/gas/mips/mips-align-after-label.d

@@ -0,0 +1,12 @@
+#objdump: -dr --show-raw-insn
+#name: MIPS32r3 (align after label)
+#as: -mips32r3 -32 -mno-micromips -EB
+#source: align-after-label.s
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+
+[0-9a-f]+ <seg1>:
+[ 0-9a-f]+:	24000001 	li	zero,1
+#pass

gas/testsuite/gas/mips/mips.exp

@@ -1518,6 +1518,8 @@ if { [istarget mips*-*-vxworks*] } {
     run_dump_test "align2"
     run_dump_test "align2-el"
     run_dump_test "align3"
+    run_dump_test "mips-align-after-label"
+    run_dump_test "micromips-align-after-label"
     run_dump_test "odd-float"
     run_dump_test "insn-opts"