diff options
Diffstat (limited to 'sysdeps/x86_64')
| -rw-r--r-- | sysdeps/x86_64/dl-trampoline.S | 82 | ||||
| -rwxr-xr-x | sysdeps/x86_64/tst-xmmymm.sh | 7 |
2 files changed, 86 insertions, 3 deletions
diff --git a/sysdeps/x86_64/dl-trampoline.S b/sysdeps/x86_64/dl-trampoline.S index 49d239f075..7ecf1b0c64 100644 --- a/sysdeps/x86_64/dl-trampoline.S +++ b/sysdeps/x86_64/dl-trampoline.S @@ -390,3 +390,85 @@ L(no_avx4): cfi_endproc .size _dl_runtime_profile, .-_dl_runtime_profile #endif + + +#ifdef SHARED + .globl _dl_x86_64_save_sse + .type _dl_x86_64_save_sse, @function + .align 16 + cfi_startproc +_dl_x86_64_save_sse: +# ifdef HAVE_AVX_SUPPORT + cmpl $0, L(have_avx)(%rip) + jne 1f + movq %rbx, %r11 # Save rbx + movl $1, %eax + cpuid + movq %r11,%rbx # Restore rbx + movl $1, %eax + testl $(1 << 28), %ecx + jne 2f + negl %eax +2: movl %eax, L(have_avx)(%rip) + cmpl $0, %eax + +1: js L(no_avx5) + +# define YMM_SIZE 32 + vmovdqa %ymm0, %fs:RTLD_SAVESPACE_SSE+0*YMM_SIZE + vmovdqa %ymm1, %fs:RTLD_SAVESPACE_SSE+1*YMM_SIZE + vmovdqa %ymm2, %fs:RTLD_SAVESPACE_SSE+2*YMM_SIZE + vmovdqa %ymm3, %fs:RTLD_SAVESPACE_SSE+3*YMM_SIZE + vmovdqa %ymm4, %fs:RTLD_SAVESPACE_SSE+4*YMM_SIZE + vmovdqa %ymm5, %fs:RTLD_SAVESPACE_SSE+5*YMM_SIZE + vmovdqa %ymm6, %fs:RTLD_SAVESPACE_SSE+6*YMM_SIZE + vmovdqa %ymm7, %fs:RTLD_SAVESPACE_SSE+7*YMM_SIZE + ret +L(no_avx5): +# endif +# define YMM_SIZE 16 + movdqa %xmm0, %fs:RTLD_SAVESPACE_SSE+0*XMM_SIZE + movdqa %xmm1, %fs:RTLD_SAVESPACE_SSE+1*XMM_SIZE + movdqa %xmm2, %fs:RTLD_SAVESPACE_SSE+2*XMM_SIZE + movdqa %xmm3, %fs:RTLD_SAVESPACE_SSE+3*XMM_SIZE + movdqa %xmm4, %fs:RTLD_SAVESPACE_SSE+4*XMM_SIZE + movdqa %xmm5, %fs:RTLD_SAVESPACE_SSE+5*XMM_SIZE + movdqa %xmm6, %fs:RTLD_SAVESPACE_SSE+6*XMM_SIZE + movdqa %xmm7, %fs:RTLD_SAVESPACE_SSE+7*XMM_SIZE + ret + cfi_endproc + .size _dl_x86_64_save_sse, .-_dl_x86_64_save_sse + + + .globl _dl_x86_64_restore_sse + .type _dl_x86_64_restore_sse, @function + .align 16 + cfi_startproc +_dl_x86_64_restore_sse: +# ifdef HAVE_AVX_SUPPORT + cmpl $0, L(have_avx)(%rip) + js L(no_avx6) + + vmovdqa %fs:RTLD_SAVESPACE_SSE+0*YMM_SIZE, %ymm0 + vmovdqa %fs:RTLD_SAVESPACE_SSE+1*YMM_SIZE, %ymm1 + vmovdqa %fs:RTLD_SAVESPACE_SSE+2*YMM_SIZE, %ymm2 + vmovdqa %fs:RTLD_SAVESPACE_SSE+3*YMM_SIZE, %ymm3 + vmovdqa %fs:RTLD_SAVESPACE_SSE+4*YMM_SIZE, %ymm4 + vmovdqa %fs:RTLD_SAVESPACE_SSE+5*YMM_SIZE, %ymm5 + vmovdqa %fs:RTLD_SAVESPACE_SSE+6*YMM_SIZE, %ymm6 + vmovdqa %fs:RTLD_SAVESPACE_SSE+7*YMM_SIZE, %ymm7 + ret +L(no_avx6): +# endif + movdqa %fs:RTLD_SAVESPACE_SSE+0*XMM_SIZE, %xmm0 + movdqa %fs:RTLD_SAVESPACE_SSE+1*XMM_SIZE, %xmm1 + movdqa %fs:RTLD_SAVESPACE_SSE+2*XMM_SIZE, %xmm2 + movdqa %fs:RTLD_SAVESPACE_SSE+3*XMM_SIZE, %xmm3 + movdqa %fs:RTLD_SAVESPACE_SSE+4*XMM_SIZE, %xmm4 + movdqa %fs:RTLD_SAVESPACE_SSE+5*XMM_SIZE, %xmm5 + movdqa %fs:RTLD_SAVESPACE_SSE+6*XMM_SIZE, %xmm6 + movdqa %fs:RTLD_SAVESPACE_SSE+7*XMM_SIZE, %xmm7 + ret + cfi_endproc + .size _dl_x86_64_restore_sse, .-_dl_x86_64_restore_sse +#endif diff --git a/sysdeps/x86_64/tst-xmmymm.sh b/sysdeps/x86_64/tst-xmmymm.sh index a576e7da0d..da8af7e686 100755 --- a/sysdeps/x86_64/tst-xmmymm.sh +++ b/sysdeps/x86_64/tst-xmmymm.sh @@ -59,10 +59,11 @@ for f in $tocheck; do objdump -d "$objpfx"../*/"$f" | awk 'BEGIN { last="" } /^[[:xdigit:]]* <[_[:alnum:]]*>:$/ { fct=substr($2, 2, length($2)-3) } /,%[xy]mm[[:digit:]]*$/ { if (last != fct) { print fct; last=fct} }' | while read fct; do - if test "$fct" != "_dl_runtime_profile"; then - echo "function $fct in $f modifies xmm/ymm" >> "$tmp" - result=1 + if test "$fct" = "_dl_runtime_profile" -o "$fct" = "_dl_x86_64_restore_sse"; then + continue; fi + echo "function $fct in $f modifies xmm/ymm" >> "$tmp" + result=1 done done |