diff options
Diffstat (limited to 'sysdeps/x86_64/dl-trampoline.S')
| -rw-r--r-- | sysdeps/x86_64/dl-trampoline.S | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/sysdeps/x86_64/dl-trampoline.S b/sysdeps/x86_64/dl-trampoline.S index 9fb6b13983..39b8771aa7 100644 --- a/sysdeps/x86_64/dl-trampoline.S +++ b/sysdeps/x86_64/dl-trampoline.S @@ -33,15 +33,19 @@ # define DL_STACK_ALIGNMENT 8 #endif -#ifndef DL_RUNIME_UNALIGNED_VEC_SIZE -/* The maximum size of unaligned vector load and store. */ -# define DL_RUNIME_UNALIGNED_VEC_SIZE 16 +#ifndef DL_RUNTIME_UNALIGNED_VEC_SIZE +/* The maximum size in bytes of unaligned vector load and store in the + dynamic linker. Since SSE optimized memory/string functions with + aligned SSE register load and store are used in the dynamic linker, + we must set this to 8 so that _dl_runtime_resolve_sse will align the + stack before calling _dl_fixup. */ +# define DL_RUNTIME_UNALIGNED_VEC_SIZE 8 #endif /* True if _dl_runtime_resolve should align stack to VEC_SIZE bytes. */ -#define DL_RUNIME_RESOLVE_REALIGN_STACK \ +#define DL_RUNTIME_RESOLVE_REALIGN_STACK \ (VEC_SIZE > DL_STACK_ALIGNMENT \ - && VEC_SIZE > DL_RUNIME_UNALIGNED_VEC_SIZE) + && VEC_SIZE > DL_RUNTIME_UNALIGNED_VEC_SIZE) /* Align vector register save area to 16 bytes. */ #define REGISTER_SAVE_VEC_OFF 0 @@ -76,7 +80,7 @@ #ifdef HAVE_AVX512_ASM_SUPPORT # define VEC_SIZE 64 # define VMOVA vmovdqa64 -# if DL_RUNIME_RESOLVE_REALIGN_STACK || VEC_SIZE <= DL_STACK_ALIGNMENT +# if DL_RUNTIME_RESOLVE_REALIGN_STACK || VEC_SIZE <= DL_STACK_ALIGNMENT # define VMOV vmovdqa64 # else # define VMOV vmovdqu64 @@ -100,7 +104,7 @@ strong_alias (_dl_runtime_profile_avx, _dl_runtime_profile_avx512) #define VEC_SIZE 32 #define VMOVA vmovdqa -#if DL_RUNIME_RESOLVE_REALIGN_STACK || VEC_SIZE <= DL_STACK_ALIGNMENT +#if DL_RUNTIME_RESOLVE_REALIGN_STACK || VEC_SIZE <= DL_STACK_ALIGNMENT # define VMOV vmovdqa #else # define VMOV vmovdqu @@ -119,7 +123,7 @@ strong_alias (_dl_runtime_profile_avx, _dl_runtime_profile_avx512) /* movaps/movups is 1-byte shorter. */ #define VEC_SIZE 16 #define VMOVA movaps -#if DL_RUNIME_RESOLVE_REALIGN_STACK || VEC_SIZE <= DL_STACK_ALIGNMENT +#if DL_RUNTIME_RESOLVE_REALIGN_STACK || VEC_SIZE <= DL_STACK_ALIGNMENT # define VMOV movaps #else # define VMOV movups |