pub/dh-kcdsa.c: Free the correct factor.

[catacomb] / symm / salsa20-x86ish-sse2.S

diff --git a/symm/salsa20-x86ish-sse2.S b/symm/salsa20-x86ish-sse2.S
index a05cb4e..7d8e2e3 100644 (file)
--- a/symm/salsa20-x86ish-sse2.S
+++ b/symm/salsa20-x86ish-sse2.S
@@ -42,12 +42,12 @@ FUNC(salsa20_core_x86ish_sse2)
 
 #if CPUFAM_X86
        // Arguments come in on the stack, and will need to be collected.  We
-       // we can get away with just the scratch registers for integer work,
-       // but we'll run out of XMM registers and will need some properly
-       // aligned space which we'll steal from the stack.  I don't trust the
-       // stack pointer's alignment, so I'll have to mask the stack pointer,
-       // which in turn means I'll need to keep track of the old value.
-       // Hence I'm making a full i386-style stack frame here.
+       // can get away with just the scratch registers for integer work, but
+       // we'll run out of XMM registers and will need some properly aligned
+       // space which we'll steal from the stack.  I don't trust the stack
+       // pointer's alignment, so I'll have to mask the stack pointer, which
+       // in turn means I'll need to keep track of the old value.  Hence I'm
+       // making a full i386-style stack frame here.
        //
        // The Windows and SysV ABIs are sufficiently similar that we don't
        // need to worry about the differences here.
@@ -60,8 +60,8 @@ FUNC(salsa20_core_x86ish_sse2)
 #  define SAVE2 [esp + 0]
 #  define SAVE3 [esp + 16]
 
-       push    ebp
-       mov     ebp, esp
+       pushreg ebp
+       setfp   ebp
        sub     esp, 32
        mov     IN, [ebp + 12]
        mov     OUT, [ebp + 16]
@@ -102,15 +102,13 @@ FUNC(salsa20_core_x86ish_sse2)
 #  define SAVE2 [rsp + 32]
 #  define SAVE3 [rsp + 48]
 
-       sub     rsp, 64 + 8
-         .seh_stackalloc 64 + 8
-       movdqa  [rsp +  0], xmm6
-         .seh_savexmm xmm6, 0
-       movdqa  [rsp + 16], xmm7
-         .seh_savexmm xmm7, 16
-  .seh_endprologue
+       stalloc 64 + 8
+       savexmm xmm6, 0
+       savexmm xmm7, 16
 #endif
 
+  endprologue
+
        // First job is to slurp the matrix into XMM registers.  The words
        // have already been permuted conveniently to make them line up
        // better for SIMD processing.
@@ -294,13 +292,13 @@ FUNC(salsa20_core_x86ish_sse2)
 
        // Tidy things up.
 #if CPUFAM_X86
-       mov     esp, ebp
-       pop     ebp
+       dropfp
+       popreg  ebp
 #endif
 #if CPUFAM_AMD64 && ABI_WIN
-       movdqa  xmm6, [rsp +  0]
-       movdqa  xmm7, [rsp + 16]
-       add     rsp, 64 + 8
+       rstrxmm xmm6, 0
+       rstrxmm xmm7, 16
+       stfree  64 + 8
 #endif
 
        // And with that, we're done.