---

yaml
---
r: 56989
b: refs/heads/try
c: 2a86485
h: refs/heads/master
i:
  56987: ddac6a1
v: v3

Author: bors

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: c081ffbd1e845687202a975ea2e698b623e5722f
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 79a2b2eafc3c766cecec8a5f76317693bae9ed17
-refs/heads/try: b329f2fa82185c9e7c6bbbdf26270dd839618e9c
+refs/heads/try: 2a864852774e924f1f9bb68da34adca736211545
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c

branches/try/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