Trimmed stack storage.

Rev: nettle/x86/sha1-compress.asm:1.3

diff --git a/x86/sha1-compress.asm b/x86/sha1-compress.asm
index b0957a661797d4fe55a37d71cf343f67830959d1..259ff5c3580c0d3ef9b6878ee8f4927b3ed896e8 100644 (file)
--- a/x86/sha1-compress.asm
+++ b/x86/sha1-compress.asm
@@ -145,17 +145,19 @@ C adding, and then rotating back.
        ALIGN(4)
 PROLOGUE(_nettle_sha1_compress)
        C save all registers that need to be saved
-       
-       pushl   %ebx            C  80(%esp)
-       pushl   %ebp            C  76(%esp)
-       pushl   %esi            C  72(%esp)
-       pushl   %edi            C  68(%esp)
+       C                          88(%esp)  data
+       C                          84(%esp)  state
+       C                          80(%esp)  Return address
+       pushl   %ebx            C  76(%esp)
+       pushl   %ebp            C  72(%esp)
+       pushl   %esi            C  68(%esp)
+       pushl   %edi            C  64(%esp)
 
        C FIXME: Trim to 64
-       subl    $68, %esp       C  %esp = W
+       subl    $64, %esp       C  %esp = W
 
        C Load and byteswap data
-       movl    92(%esp), TMP2
+       movl    88(%esp), TMP2
 
        SWAP( 0, %eax) SWAP( 1, %ebx) SWAP( 2, %ecx) SWAP( 3, %edx)
        SWAP( 4, %eax) SWAP( 5, %ebx) SWAP( 6, %ecx) SWAP( 7, %edx)
@@ -163,7 +165,7 @@ PROLOGUE(_nettle_sha1_compress)
        SWAP(12, %eax) SWAP(13, %ebx) SWAP(14, %ecx) SWAP(15, %edx)
 
        C load the state vector
-       movl    88(%esp),TMP
+       movl    84(%esp),TMP
        movl    (TMP),   SA
        movl    4(TMP),  SB
        movl    8(TMP),  SC
@@ -273,14 +275,14 @@ PROLOGUE(_nettle_sha1_compress)
        EXPAND(79) ROUND(SB, SC, SD, SE, SA, <F2>)
 
        C Update the state vector
-       movl    88(%esp),TMP
+       movl    84(%esp),TMP
        addl    SA, (TMP) 
        addl    SB, 4(TMP) 
        addl    SC, 8(TMP) 
        addl    SD, 12(TMP) 
        addl    SE, 16(TMP)
 
-       addl    $68, %esp
+       addl    $64, %esp
        popl    %edi
        popl    %esi
        popl    %ebp