x86-64/gas: fix an asymmetry in suffix/register checking

Without this, constructs like "orw %rax, (%rax)" aren't being rejected
(other than any other wrong suffix/register combination).

gas/
2013-11-04  Jan Beulich <jbeulich@suse.com>

	* config/tc-i386.c (check_long_reg): Correct comment indentation.
	(check_qword_reg): Correct comment and its indentation.
	(check_word_reg): Extend comment and correct its indentation. Also
	check for 64-bit register.

gas/testsuite/
2013-11-04  Jan Beulich <jbeulich@suse.com>

	* gas/i386/x86-64-suffix-bad.[sl]: New.
	* gas/i386/i386.exp: Run new test.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 88f5f91..b5202e0 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,10 @@
+2013-11-04  Jan Beulich <jbeulich@suse.com>
+
+       * config/tc-i386.c (check_long_reg): Correct comment indentation.
+       (check_qword_reg): Correct comment and its indentation.
+       (check_word_reg): Extend comment and correct its indentation. Also
+       check for 64-bit register.
+
 2013-10-30  Ulrich Weigand  <uweigand@de.ibm.com>
 
        * config/tc-ppc.c (md_pseudo_table): Add .localentry.

diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 32f6d48..973ebe4 100644 (file)
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -5418,7 +5418,7 @@ check_long_reg (void)
                i.suffix);
        return 0;
       }
-  /* Warn if the e prefix on a general reg is missing.  */
+    /* Warn if the e prefix on a general reg is missing.  */
     else if ((!quiet_warnings || flag_code == CODE_64BIT)
             && i.types[op].bitfield.reg16
             && (i.tm.operand_types[op].bitfield.reg32
@@ -5440,7 +5440,7 @@ check_long_reg (void)
                 register_prefix, i.op[op].regs->reg_name, i.suffix);
 #endif
       }
-  /* Warn if the r prefix on a general reg is missing.  */
+    /* Warn if the r prefix on a general reg is present.  */
     else if (i.types[op].bitfield.reg64
             && (i.tm.operand_types[op].bitfield.reg32
                 || i.tm.operand_types[op].bitfield.acc))
@@ -5483,7 +5483,7 @@ check_qword_reg (void)
                i.suffix);
        return 0;
       }
-  /* Warn if the e prefix on a general reg is missing.  */
+    /* Warn if the r prefix on a general reg is missing.  */
     else if ((i.types[op].bitfield.reg16
              || i.types[op].bitfield.reg32)
             && (i.tm.operand_types[op].bitfield.reg32
@@ -5528,9 +5528,10 @@ check_word_reg (void)
                i.suffix);
        return 0;
       }
-  /* Warn if the e prefix on a general reg is present.  */
+    /* Warn if the e or r prefix on a general reg is present.  */
     else if ((!quiet_warnings || flag_code == CODE_64BIT)
-            && i.types[op].bitfield.reg32
+            && (i.types[op].bitfield.reg32
+                || i.types[op].bitfield.reg64)
             && (i.tm.operand_types[op].bitfield.reg16
                 || i.tm.operand_types[op].bitfield.acc))
       {

diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 9694b8a..1d01b33 100644 (file)
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2013-11-04  Jan Beulich <jbeulich@suse.com>
+
+       * gas/i386/x86-64-suffix-bad.[sl]: New.
+       * gas/i386/i386.exp: Run new test.
+
 2013-11-02  Alan Modra  <amodra@gmail.com>
 
        * gas/cfi/cfi-x86_64.d: Match when lacking end of section padding.

diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp
index e0589e4..ce77fef 100644 (file)
--- a/gas/testsuite/gas/i386/i386.exp
+++ b/gas/testsuite/gas/i386/i386.exp
@@ -444,6 +444,7 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
     run_dump_test "x86-64-disp32"
     run_dump_test "rexw"
     run_list_test "x86-64-specific-reg"
+    run_list_test "x86-64-suffix-bad"
     run_dump_test "x86-64-fxsave"
     run_dump_test "x86-64-fxsave-intel"
     run_dump_test "x86-64-arch-1"

diff --git a/gas/testsuite/gas/i386/x86-64-suffix-bad.l b/gas/testsuite/gas/i386/x86-64-suffix-bad.l
new file mode 100644 (file)
index 0000000..febdc0c
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-suffix-bad.l
@@ -0,0 +1,13 @@
+.*: Assembler messages:
+.*:3: Error: .*
+.*:4: Error: .*
+.*:5: Error: .*
+.*:7: Error: .*
+.*:8: Error: .*
+.*:9: Error: .*
+.*:11: Error: .*
+.*:12: Error: .*
+.*:13: Error: .*
+.*:15: Error: .*
+.*:16: Error: .*
+.*:17: Error: .*

diff --git a/gas/testsuite/gas/i386/x86-64-suffix-bad.s b/gas/testsuite/gas/i386/x86-64-suffix-bad.s
new file mode 100644 (file)
index 0000000..c4462f6
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-suffix-bad.s
@@ -0,0 +1,17 @@
+       .text
+start:
+       orw     %al, (%rax)
+       orl     %al, (%rax)
+       orq     %al, (%rax)
+
+       orb     %ax, (%rax)
+       orl     %ax, (%rax)
+       orq     %ax, (%rax)
+
+       orb     %eax, (%rax)
+       orw     %eax, (%rax)
+       orq     %eax, (%rax)
+
+       orb     %rax, (%rax)
+       orw     %rax, (%rax)
+       orl     %rax, (%rax)