diff options
| -rw-r--r-- | src/rt/arch/x86_64/morestack.S | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/src/rt/arch/x86_64/morestack.S b/src/rt/arch/x86_64/morestack.S index e4dfc033bf4..9d16afc0a1b 100644 --- a/src/rt/arch/x86_64/morestack.S +++ b/src/rt/arch/x86_64/morestack.S @@ -54,7 +54,7 @@ MORESTACK: // Calculate the CFA as on offset from %ebp .cfi_def_cfa_register %rbp - subq $184, %rsp + subq $56, %rsp // Save argument registers of the original function movq %rdi, (%rsp) @@ -63,14 +63,6 @@ MORESTACK: movq %rcx, 24(%rsp) movq %r8, 32(%rsp) movq %r9, 40(%rsp) - movdqa %xmm0, 48(%rsp) - movdqa %xmm1, 64(%rsp) - movdqa %xmm2, 80(%rsp) - movdqa %xmm3, 96(%rsp) - movdqa %xmm4, 112(%rsp) - movdqa %xmm5, 128(%rsp) - movdqa %xmm6, 144(%rsp) - movdqa %xmm7, 160(%rsp) // Calculate the address of the stack arguments. // We have the base pointer, __morestack's return address, @@ -101,16 +93,8 @@ MORESTACK: movq 24(%rsp), %rcx movq 32(%rsp), %r8 movq 40(%rsp), %r9 - movdqa 48(%rsp), %xmm0 - movdqa 64(%rsp), %xmm1 - movdqa 80(%rsp), %xmm2 - movdqa 96(%rsp), %xmm3 - movdqa 112(%rsp), %xmm4 - movdqa 128(%rsp), %xmm5 - movdqa 144(%rsp), %xmm6 - movdqa 160(%rsp), %xmm7 - - addq $184, %rsp + + addq $56, %rsp movq 8(%rbp),%r10 // Grab the return pointer. incq %r10 // Skip past the `ret` in our parent frame |