base/asm-common.h, *.S: Use consistent little-endian notation for SIMD regs.

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

diff --git a/symm/salsa20-x86ish-sse2.S b/symm/salsa20-x86ish-sse2.S
index 26bab89..ccf912b 100644 (file)
--- a/symm/salsa20-x86ish-sse2.S
+++ b/symm/salsa20-x86ish-sse2.S
@@ -180,7 +180,7 @@ FUNC(salsa20_core_x86ish_sse2)
        // d ^= (c + b) <<< 13
        movdqa  xmm4, xmm2
        paddd   xmm4, xmm1
-        pshufd xmm1, xmm1, SHUF(3, 0, 1, 2)
+        pshufd xmm1, xmm1, SHUF(2, 1, 0, 3)
        movdqa  xmm5, xmm4
        pslld   xmm4, 13
        psrld   xmm5, 19
@@ -189,9 +189,9 @@ FUNC(salsa20_core_x86ish_sse2)
 
        // a ^= (d + c) <<< 18
        movdqa  xmm4, xmm3
-        pshufd xmm3, xmm3, SHUF(1, 2, 3, 0)
+        pshufd xmm3, xmm3, SHUF(0, 3, 2, 1)
        paddd   xmm4, xmm2
-        pshufd xmm2, xmm2, SHUF(2, 3, 0, 1)
+        pshufd xmm2, xmm2, SHUF(1, 0, 3, 2)
        movdqa  xmm5, xmm4
        pslld   xmm4, 18
        psrld   xmm5, 14
@@ -235,7 +235,7 @@ FUNC(salsa20_core_x86ish_sse2)
        // d ^= (c + b) <<< 13
        movdqa  xmm4, xmm2
        paddd   xmm4, xmm3
-        pshufd xmm3, xmm3, SHUF(3, 0, 1, 2)
+        pshufd xmm3, xmm3, SHUF(2, 1, 0, 3)
        movdqa  xmm5, xmm4
        pslld   xmm4, 13
        psrld   xmm5, 19
@@ -244,9 +244,9 @@ FUNC(salsa20_core_x86ish_sse2)
 
        // a ^= (d + c) <<< 18
        movdqa  xmm4, xmm1
-        pshufd xmm1, xmm1, SHUF(1, 2, 3, 0)
+        pshufd xmm1, xmm1, SHUF(0, 3, 2, 1)
        paddd   xmm4, xmm2
-        pshufd xmm2, xmm2, SHUF(2, 3, 0, 1)
+        pshufd xmm2, xmm2, SHUF(1, 0, 3, 2)
        movdqa  xmm5, xmm4
        pslld   xmm4, 18
        psrld   xmm5, 14
@@ -270,9 +270,9 @@ FUNC(salsa20_core_x86ish_sse2)
        // input.  This can be done by juggling values in registers, with the
        // following fancy footwork: some row rotations, a transpose, and
        // some more rotations.
-       pshufd  xmm1, xmm1, SHUF(3, 0, 1, 2)    //  3,  4,  9, 14
-       pshufd  xmm2, xmm2, SHUF(2, 3, 0, 1)    //  2,  7,  8, 13
-       pshufd  xmm3, xmm3, SHUF(1, 2, 3, 0)    //  1,  6, 11, 12
+       pshufd  xmm1, xmm1, SHUF(2, 1, 0, 3)    //  3,  4,  9, 14
+       pshufd  xmm2, xmm2, SHUF(1, 0, 3, 2)    //  2,  7,  8, 13
+       pshufd  xmm3, xmm3, SHUF(0, 3, 2, 1)    //  1,  6, 11, 12
 
        movdqa  xmm4, xmm0
        movdqa  xmm5, xmm3
@@ -288,9 +288,9 @@ FUNC(salsa20_core_x86ish_sse2)
        punpckhdq xmm1, xmm3                    //  5,  6,  7,  4
        punpckhdq xmm2, xmm5                    // 15, 12, 13, 14
 
-       pshufd  xmm1, xmm1, SHUF(3, 0, 1, 2)    //  4,  5,  6,  7
-       pshufd  xmm4, xmm4, SHUF(2, 3, 0, 1)    //  8,  9, 10, 11
-       pshufd  xmm2, xmm2, SHUF(1, 2, 3, 0)    // 12, 13, 14, 15
+       pshufd  xmm1, xmm1, SHUF(2, 1, 0, 3)    //  4,  5,  6,  7
+       pshufd  xmm4, xmm4, SHUF(1, 0, 3, 2)    //  8,  9, 10, 11
+       pshufd  xmm2, xmm2, SHUF(0, 3, 2, 1)    // 12, 13, 14, 15
 
        // Finally we have to write out the result.
        movdqu  [OUT +  0], xmm0