diff options
Diffstat (limited to 'sysdeps/x86_64/nptl/tls.h')
| -rw-r--r-- | sysdeps/x86_64/nptl/tls.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sysdeps/x86_64/nptl/tls.h b/sysdeps/x86_64/nptl/tls.h index 20f0958..a78c4f4 100644 --- a/sysdeps/x86_64/nptl/tls.h +++ b/sysdeps/x86_64/nptl/tls.h @@ -271,8 +271,11 @@ _Static_assert (offsetof (tcbhead_t, __glibc_unused2) == 0x80, "i" (offsetof (struct pthread, member))); \ else /* 8 */ \ { \ + /* Since movq takes a signed 32-bit immediate or a register source \ + operand, use "er" constraint for 32-bit signed integer constant \ + or register. */ \ asm volatile ("movq %q0,%%fs:%P1" : \ - : IMM_MODE ((uint64_t) cast_to_integer (value)), \ + : "er" ((uint64_t) cast_to_integer (value)), \ "i" (offsetof (struct pthread, member))); \ }}) @@ -296,8 +299,11 @@ _Static_assert (offsetof (tcbhead_t, __glibc_unused2) == 0x80, "r" (idx)); \ else /* 8 */ \ { \ + /* Since movq takes a signed 32-bit immediate or a register source \ + operand, use "er" constraint for 32-bit signed integer constant \ + or register. */ \ asm volatile ("movq %q0,%%fs:%P1(,%q2,8)" : \ - : IMM_MODE ((uint64_t) cast_to_integer (value)), \ + : "er" ((uint64_t) cast_to_integer (value)), \ "i" (offsetof (struct pthread, member[0])), \ "r" (idx)); \ }}) |