opcodes/

	* mips-opc.c (mips_builtin_opcodes): Correct register use
	annotation of "alnv.ps".

	gas/testsuite/
	* gas/mips/alnv_ps-swap.d: New test for ALNV.PS instruction
	branch swapping.
	* gas/mips/alnv_ps-swap.s: Source for the new test.
	* gas/mips/mips.exp: Run the new test.

diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index c3cb1e387e73e821cb0adfa7a420adacf7bc10c6..c4fbd0a2e106a06e27cbf7e1d5e05369d6b28bdd 100644 (file)
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2011-02-28  Maciej W. Rozycki  <macro@codesourcery.com>
+
+       * gas/mips/alnv_ps-swap.d: New test for ALNV.PS instruction
+       branch swapping.
+       * gas/mips/alnv_ps-swap.s: Source for the new test.
+       * gas/mips/mips.exp: Run the new test.
+
 2011-02-28  Maciej W. Rozycki  <macro@codesourcery.com>
 
        * gas/mips/relax-bposge.l: New test for DSP branch relaxation.

diff --git a/gas/testsuite/gas/mips/alnv_ps-swap.d b/gas/testsuite/gas/mips/alnv_ps-swap.d
new file mode 100644 (file)
index 0000000..97dd1cb
--- /dev/null
+++ b/gas/testsuite/gas/mips/alnv_ps-swap.d
@@ -0,0 +1,39 @@
+#objdump: -dr --prefix-addresses --show-raw-insn
+#name: MIPS ALNV.PS instruction branch swapping
+#as: -32
+
+# Check that a register dependency between ALNV.PS and the following
+# branch prevents from branch swapping.
+
+.*: +file format .*mips.*
+
+Disassembly of section \.text:
+[0-9a-f]+ <[^>]*> 1000ffff     b       0+0000 <foo>
+[0-9a-f]+ <[^>]*> 4c60111e     alnv\.ps        \$f4,\$f2,\$f0,v1
+[0-9a-f]+ <[^>]*> 0411fffd     bal     0+0000 <foo>
+[0-9a-f]+ <[^>]*> 4c60111e     alnv\.ps        \$f4,\$f2,\$f0,v1
+[0-9a-f]+ <[^>]*> 0470fffb     bltzal  v1,0+0000 <foo>
+[0-9a-f]+ <[^>]*> 4c60111e     alnv\.ps        \$f4,\$f2,\$f0,v1
+[0-9a-f]+ <[^>]*> 0060f809     jalr    v1
+[0-9a-f]+ <[^>]*> 4c60111e     alnv\.ps        \$f4,\$f2,\$f0,v1
+[0-9a-f]+ <[^>]*> 00602009     jalr    a0,v1
+[0-9a-f]+ <[^>]*> 4c60111e     alnv\.ps        \$f4,\$f2,\$f0,v1
+[0-9a-f]+ <[^>]*> 4c60111e     alnv\.ps        \$f4,\$f2,\$f0,v1
+[0-9a-f]+ <[^>]*> 03e01809     jalr    v1,ra
+[0-9a-f]+ <[^>]*> 00000000     nop
+[0-9a-f]+ <[^>]*> 1000fff2     b       0+0000 <foo>
+[0-9a-f]+ <[^>]*> 4fe0111e     alnv\.ps        \$f4,\$f2,\$f0,ra
+[0-9a-f]+ <[^>]*> 4fe0111e     alnv\.ps        \$f4,\$f2,\$f0,ra
+[0-9a-f]+ <[^>]*> 0411ffef     bal     0+0000 <foo>
+[0-9a-f]+ <[^>]*> 00000000     nop
+[0-9a-f]+ <[^>]*> 4fe0111e     alnv\.ps        \$f4,\$f2,\$f0,ra
+[0-9a-f]+ <[^>]*> 0470ffec     bltzal  v1,0+0000 <foo>
+[0-9a-f]+ <[^>]*> 00000000     nop
+[0-9a-f]+ <[^>]*> 4fe0111e     alnv\.ps        \$f4,\$f2,\$f0,ra
+[0-9a-f]+ <[^>]*> 0060f809     jalr    v1
+[0-9a-f]+ <[^>]*> 00000000     nop
+[0-9a-f]+ <[^>]*> 00602009     jalr    a0,v1
+[0-9a-f]+ <[^>]*> 4fe0111e     alnv\.ps        \$f4,\$f2,\$f0,ra
+[0-9a-f]+ <[^>]*> 03e01809     jalr    v1,ra
+[0-9a-f]+ <[^>]*> 4fe0111e     alnv\.ps        \$f4,\$f2,\$f0,ra
+       \.\.\.

diff --git a/gas/testsuite/gas/mips/alnv_ps-swap.s b/gas/testsuite/gas/mips/alnv_ps-swap.s
new file mode 100644 (file)
index 0000000..9d46c85
--- /dev/null
+++ b/gas/testsuite/gas/mips/alnv_ps-swap.s
@@ -0,0 +1,33 @@
+# Source file to test branch swapping with the ALNV.PS instruction.
+
+       .text
+foo:
+       alnv.ps $f4, $f2, $f0, $3
+       b       foo
+       alnv.ps $f4, $f2, $f0, $3
+       bal     foo
+       alnv.ps $f4, $f2, $f0, $3
+       bltzal  $3, foo
+       alnv.ps $f4, $f2, $f0, $3
+       jalr    $3
+       alnv.ps $f4, $f2, $f0, $3
+       jalr    $4, $3
+       alnv.ps $f4, $f2, $f0, $3
+       jalr    $3, $31
+
+       alnv.ps $f4, $f2, $f0, $31
+       b       foo
+       alnv.ps $f4, $f2, $f0, $31
+       bal     foo
+       alnv.ps $f4, $f2, $f0, $31
+       bltzal  $3, foo
+       alnv.ps $f4, $f2, $f0, $31
+       jalr    $3
+       alnv.ps $f4, $f2, $f0, $31
+       jalr    $4, $3
+       alnv.ps $f4, $f2, $f0, $31
+       jalr    $3, $31
+
+# Force at least 8 (non-delay-slot) zero bytes, to make 'objdump' print ...
+       .align  2
+       .space  8

diff --git a/gas/testsuite/gas/mips/mips.exp b/gas/testsuite/gas/mips/mips.exp
index 3fc5b61f808f56068d046af049655fa7c54e2aeb..f143ac3bd8389bb9ac5c89a0645c1715e303b5b3 100644 (file)
--- a/gas/testsuite/gas/mips/mips.exp
+++ b/gas/testsuite/gas/mips/mips.exp
@@ -979,6 +979,9 @@ if { [istarget mips*-*-vxworks*] } {
     run_dump_test "mips32-sync"
     run_dump_test_arches "mips32r2-sync" \
                                        [mips_arch_list_matching mips32r2]
+    run_dump_test_arches "alnv_ps-swap" [lsort -dictionary -unique [concat \
+                                       [mips_arch_list_matching mips5] \
+                                       [mips_arch_list_matching mips32r2] ] ]
 
     if $has_newabi { run_dump_test "cfi-n64-1" }
 }

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 90dfa27158a7cce0706318a33e05399bc9c65ac0..ba013b25924f98498094dee6203f9bf67945f3f5 100644 (file)
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,8 @@
+2011-02-28  Maciej W. Rozycki  <macro@codesourcery.com>
+
+       * mips-opc.c (mips_builtin_opcodes): Correct register use
+       annotation of "alnv.ps".
+
 2011-02-28  Maciej W. Rozycki  <macro@codesourcery.com>
 
        * mips-opc.c (mips_builtin_opcodes): Add "pref" macro.

diff --git a/opcodes/mips-opc.c b/opcodes/mips-opc.c
index 78b3fa782b4296f0fa09a272b3998adb9cc80123..8f51643ee4716d288b43c48eabdae1880a194bab 100644 (file)
--- a/opcodes/mips-opc.c
+++ b/opcodes/mips-opc.c
@@ -297,7 +297,7 @@ const struct mips_opcode mips_builtin_opcodes[] =
 {"alni.ob", "X,Y,Z,O", 0x78000018, 0xff00003f, WR_D|RD_S|RD_T|FP_D,    0,              MX|SB1  },
 {"alni.ob", "D,S,T,%", 0x48000018, 0xff00003f, WR_D|RD_S|RD_T,         0,              N54     },
 {"alni.qh", "X,Y,Z,O", 0x7800001a, 0xff00003f, WR_D|RD_S|RD_T|FP_D,    0,              MX      },
-{"alnv.ps", "D,V,T,s", 0x4c00001e, 0xfc00003f, WR_D|RD_S|RD_T|FP_D,    0,              I5_33   },
+{"alnv.ps", "D,V,T,s", 0x4c00001e, 0xfc00003f, WR_D|RD_S|RD_T|RD_s|FP_D, 0,            I5_33   },
 {"alnv.ob", "X,Y,Z,s", 0x78000019, 0xfc00003f, WR_D|RD_S|RD_T|RD_s|FP_D, 0,            MX|SB1  },
 {"alnv.qh", "X,Y,Z,s", 0x7800001b, 0xfc00003f, WR_D|RD_S|RD_T|RD_s|FP_D, 0,            MX      },
 {"and",     "d,v,t",   0x00000024, 0xfc0007ff, WR_d|RD_s|RD_t,         0,              I1      },