https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87761
--- Comment #1 from Paul Hua <paul.hua.gm at gmail dot com> ---
and other new fails:
681 FAIL: gcc.target/mips/fpr-moves-5.c -O1 scan-assembler
\\tsdc1\\t\\\\\$f12,0\\\\(\\\\\$6\\\\)\\n
682 FAIL: gcc.target/mips/fpr-moves-5.c -O1 scan-assembler
\\tsdc1\\t\\\\\$f13,8\\\\(\\\\\$6\\\\)\\n
683 FAIL: gcc.target/mips/fpr-moves-5.c -O2 scan-assembler
\\tsdc1\\t\\\\\$f12,0\\\\(\\\\\$6\\\\)\\n
684 FAIL: gcc.target/mips/fpr-moves-5.c -O2 scan-assembler
\\tsdc1\\t\\\\\$f13,8\\\\(\\\\\$6\\\\)\\n
685 FAIL: gcc.target/mips/fpr-moves-5.c -O2 -flto -fno-use-linker-plugin
-flto-partition=none scan-assembler \\tsdc1\\t\\\\\$f12,0\\\\(\\\\\$6\\\\)\\n
686 FAIL: gcc.target/mips/fpr-moves-5.c -O2 -flto -fno-use-linker-plugin
-flto-partition=none scan-assembler \\tsdc1\\t\\\\\$f13,8\\\\(\\\\\$6\\\\)\\n
687 FAIL: gcc.target/mips/fpr-moves-5.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects scan-assembler \\tsdc1\\t\\\\\$f12,0\\\\(\\\\\$6\\\\)\\n
688 FAIL: gcc.target/mips/fpr-moves-5.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects scan-assembler \\tsdc1\\t\\\\\$f13,8\\\\(\\\\\$6\\\\)\\n
689 FAIL: gcc.target/mips/fpr-moves-5.c -O3 -g scan-assembler
\\tsdc1\\t\\\\\$f12,0\\\\(\\\\\$6\\\\)\\n
690 FAIL: gcc.target/mips/fpr-moves-5.c -O3 -g scan-assembler
\\tsdc1\\t\\\\\$f13,8\\\\(\\\\\$6\\\\)\\n
691 FAIL: gcc.target/mips/fpr-moves-5.c -Os scan-assembler
\\tsdc1\\t\\\\\$f12,0\\\\(\\\\\$6\\\\)\\n
692 FAIL: gcc.target/mips/fpr-moves-5.c -Os scan-assembler
\\tsdc1\\t\\\\\$f13,8\\\\(\\\\\$6\\\\)\\n
$ cat fpr-moves-5.i
# 1
"/home/xuchenghua/GCC/gcc_git_trunk/gcc/testsuite/gcc.target/mips/fpr-moves-5.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1
"/home/xuchenghua/GCC/gcc_git_trunk/gcc/testsuite/gcc.target/mips/fpr-moves-5.c"
__attribute__((nomips16)) void
foo (long double d, long double *x)
{
*x = d;
}
__attribute__((nomips16)) long double
bar (long double d, long double *x)
{
register long double l1 asm ("$8") = d;
register long double l2 asm ("$10") = x[1];
register long double l3 asm ("$f20") = 0.0;
asm ("#foo" : "=d" (l1) : "d" (l1));
asm ("#foo" : "=d" (l2) : "d" (l2));
asm volatile ("#foo" :: "f" (l3));
x[1] = l1;
return l2;
}
$./cc1 -fpreprocessed fpr-moves-5.i -mel -quiet -dumpbase fpr-moves-5.c
-mabi=64 -mhard-float -mgp64 -mlong64 -march=mips64r2 -mllsc -mips64r2
-mno-shared -auxbase-strip fpr-moves-5.s -O1 -version -fdiagnostics-color=never
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-ffat-lto-objects -fno-ident -o fpr-moves-5.s
good asm:
foo:
.frame $sp,0,$31 # vars= 0, regs= 0/0, args= 0, gp= 0
.mask 0x00000000,0
.fmask 0x00000000,0
.set noreorder
.set nomacro
sdc1 $f12,0($6)
jr $31
sdc1 $f13,8($6)
bad asm:
foo:
.frame $sp,0,$31 # vars= 0, regs= 0/0, args= 0, gp= 0
.mask 0x00000000,0
.fmask 0x00000000,0
.set noreorder
.set nomacro
dmfc1 $2,$f12
dmfc1 $3,$f13
sd $2,0($6)
jr $31
sd $3,8($6)
