With SSE emulation of MMX intrinsics in 64-bit mode, --- __v8qi test () { __v8qi mm0 = {1,2,3,4,5,6,7,8}; __v8qi mm1 = {11,22,33,44,55,66,77,88}; volatile __m64 x;
x = _mm_add_pi8 (mm0, mm1); return x; } --- is compiled into movq .LC0(%rip), %xmm0 movq .LC1(%rip), %xmm1 paddb %xmm1, %xmm0 movq %xmm0, -8(%rsp) movq -8(%rsp), %xmm0 ret instead of movq .LC1(%rip), %mm0 paddb .LC0(%rip), %mm0 movq %mm0, -8(%rsp) movq -8(%rsp), %xmm0 ret Adjust gcc.target/i386/pr22076.c for 64-bit. * gcc.target/i386/pr22076.c: Adjusted for 64-bit. --- gcc/testsuite/gcc.target/i386/pr22076.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/gcc/testsuite/gcc.target/i386/pr22076.c b/gcc/testsuite/gcc.target/i386/pr22076.c index 6c1620b4a3b..38c29dcc35b 100644 --- a/gcc/testsuite/gcc.target/i386/pr22076.c +++ b/gcc/testsuite/gcc.target/i386/pr22076.c @@ -15,5 +15,6 @@ __v8qi test () return x; } -/* { dg-final { scan-assembler-times "movq" 3 } } */ +/* { dg-final { scan-assembler-times "movq" 3 { target ia32 } } } */ +/* { dg-final { scan-assembler-times "movq" 4 { target { ! ia32 } } } } */ /* { dg-final { scan-assembler-not "movl" { target nonpic } } } */ -- 2.20.1