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Correct test for fpr pairs.

This commit is contained in:
Gavin Romig-Koch 1997-04-15 22:46:58 +00:00
parent ded64db806
commit 68952421e6
7 changed files with 126 additions and 5 deletions
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4
gas/ChangeLog
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@ -1,3 +1,7 @@
Tue Apr 15 18:11:44 1997 Gavin Koch <gavin@cygnus.com>
* config/tc-mips.c (insn_uses_reg): Correct test for fpr pairs.
Tue Apr 15 13:04:47 1997 Ian Lance Taylor <ian@cygnus.com>
* Makefile.in (srcroot): Remove.

10
gas/config/tc-mips.c
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@ -1211,11 +1211,11 @@ insn_uses_reg (ip, reg, class)
because there is no instruction that sets both $f0 and $f1
and requires a delay. */
if ((ip->insn_mo->pinfo & INSN_READ_FPR_S)
&& (((ip->insn_opcode >> OP_SH_FS) & OP_MASK_FS)
&& ((((ip->insn_opcode >> OP_SH_FS) & OP_MASK_FS) &~(unsigned)1)
== (reg &~ (unsigned) 1)))
return 1;
if ((ip->insn_mo->pinfo & INSN_READ_FPR_T)
&& (((ip->insn_opcode >> OP_SH_FT) & OP_MASK_FT)
&& ((((ip->insn_opcode >> OP_SH_FT) & OP_MASK_FT) &~(unsigned)1)
== (reg &~ (unsigned) 1)))
return 1;
}
@ -1306,7 +1306,7 @@ mips16_mark_labels ()
for (l = insn_labels; l != NULL; l = l->next)
{
#ifdef S_SET_OTHER
#ifdef OBJ_ELF
if (OUTPUT_FLAVOR == bfd_target_elf_flavour)
S_SET_OTHER (l->label, STO_MIPS16);
#endif
@ -8711,7 +8711,7 @@ md_apply_fix (fixP, valueP)
/* If we aren't adjusting this fixup to be against the section
symbol, we need to adjust the value. */
#ifdef S_GET_OTHER
#ifdef OBJ_ELF
if (fixP->fx_addsy != NULL
&& OUTPUT_FLAVOR == bfd_target_elf_flavour
&& S_GET_OTHER (fixP->fx_addsy) == STO_MIPS16)
@ -10100,7 +10100,7 @@ mips_fix_adjustable (fixp)
return 0;
if (fixp->fx_addsy == NULL)
return 1;
#ifdef S_GET_OTHER
#ifdef OBJ_ELF
if (OUTPUT_FLAVOR == bfd_target_elf_flavour
&& S_GET_OTHER (fixp->fx_addsy) == STO_MIPS16
&& fixp->fx_subsy == NULL)

8
gas/testsuite/ChangeLog
View File

@ -1,3 +1,11 @@
Tue Apr 15 18:10:01 1997 Gavin Koch <gavin@cygnus.com>
* gas/mips/{delay.d,nodelay.d}: added.
Mon Apr 7 12:57:45 1997 Doug Evans <dje@canuck.cygnus.com>
* gas/m32r/allinsn.d: Update to new objdump output style.
Fri Apr 4 13:19:39 1997 Ian Lance Taylor <ian@cygnus.com>
* gas/all/float.s: Put a tab before .text, to keep the PA happy.

20
gas/testsuite/gas/mips/delay.d Normal file
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@ -0,0 +1,20 @@
#objdump: -dr --prefix-addresses
#name: MIPS delay
#as: -mips3
#
# Gas should produce nop's after mtc1 and related
# insn's if the target fpr is used in the
# immediatly following insn. See also nodelay.d.
#
.*: +file format .*mips.*
Disassembly of section .text:
0+0000 <[^>]*> mtc1 \$zero,\$f0
0+0004 <[^>]*> nop
0+0008 <[^>]*> cvt.d.w \$f0,\$f0
0+000c <[^>]*> mtc1 \$zero,\$f1
0+0010 <[^>]*> nop
0+0014 <[^>]*> cvt.d.w \$f1,\$f1
...

8
gas/testsuite/gas/mips/delay.s Normal file
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@ -0,0 +1,8 @@
# Source file used to test the abs macro.
foo:
mtc1 $0,$f0
cvt.d.w $f0,$f0
mtc1 $0,$f1
cvt.d.w $f1,$f1
.space 8

62
gas/testsuite/gas/mips/mips.exp Normal file
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@ -0,0 +1,62 @@
#
# Some generic MIPS tests
#
if [istarget mips*-*-*] then {
set svr4pic [expr [istarget *-*-elf*] || [istarget *-*-irix5*] ]
set empic [expr [istarget *-*-ecoff*] || [istarget *-*-ultrix*] || [istarget *-*-irix\[1-4\]*] ]
set aout [expr [istarget *-*-bsd*] || [istarget *-*-netbsd*]]
set ilocks [expr [istarget mips64vr4300*-*-*] || [istarget mips64vr4100*-*-*]]
run_dump_test "abs"
run_dump_test "add"
run_dump_test "and"
run_dump_test "beq"
run_dump_test "bge"
run_dump_test "bgeu"
run_dump_test "blt"
run_dump_test "bltu"
if !$ilocks { run_dump_test "div" } else { run_dump_test "div-ilocks" }
run_dump_test "dli"
run_dump_test "jal"
if $svr4pic { run_dump_test "jal-svr4pic" }
if $svr4pic { run_dump_test "jal-xgot" }
if $empic { run_dump_test "jal-empic" }
if !$aout { run_dump_test "la" }
if $svr4pic { run_dump_test "la-svr4pic" }
if $svr4pic { run_dump_test "la-xgot" }
if $empic { run_dump_test "la-empic" }
if !$aout { run_dump_test "lb" }
if $svr4pic { run_dump_test "lb-svr4pic" }
if $svr4pic { run_dump_test "lb-xgot" }
if $empic { run_dump_test "lb-empic" }
if !$aout { run_dump_test "ld" }
if $svr4pic { run_dump_test "ld-svr4pic" }
if $svr4pic { run_dump_test "ld-xgot" }
if $empic { run_dump_test "ld-empic" }
run_dump_test "li"
if !$aout { run_dump_test "lifloat" }
if $svr4pic { run_dump_test "lif-svr4pic" }
if $svr4pic { run_dump_test "lif-xgot" }
if $empic { run_dump_test "lif-empic" }
run_dump_test "mips4"
if !$ilocks { run_dump_test "mul" } else { run_dump_test "mul-ilocks" }
run_dump_test "rol"
if !$aout { run_dump_test "sb" }
run_dump_test "trunc"
if !$aout { run_dump_test "ulh" }
if $svr4pic { run_dump_test "ulh-svr4pic" }
if $svr4pic { run_dump_test "ulh-xgot" }
if $empic { run_dump_test "ulh-empic" }
if !$aout {
run_dump_test "ulw"
run_dump_test "uld"
run_dump_test "ush"
run_dump_test "usw"
run_dump_test "usd"
}
# The mips16 test can only be run on ELF, because only ELF
# supports the necessary mips16 reloc.
if $svr4pic { run_dump_test "mips16" }
run_dump_test "delay"
run_dump_test "nodelay"
}

19
gas/testsuite/gas/mips/nodelay.d Normal file
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@ -0,0 +1,19 @@
#objdump: -dr --prefix-addresses
#name: MIPS nodelay
#as: -mips4
#source: delay.s
# For -mips4
# Gas should *not* produce nop's after mtc1 and related
# insn's if the target fpr is used in the immediatly
# following insn. See also delay.d.
#
.*: +file format .*mips.*
Disassembly of section .text:
0+0000 <[^>]*> mtc1 \$zero,\$f0
0+0004 <[^>]*> cvt.d.w \$f0,\$f0
0+0008 <[^>]*> mtc1 \$zero,\$f1
0+000c <[^>]*> cvt.d.w \$f1,\$f1
...