base/asm-common.h: Reverse the order of `SHUF' arguments.

[catacomb] / math / mpx-mul4-x86-sse2.S

diff --git a/math/mpx-mul4-x86-sse2.S b/math/mpx-mul4-x86-sse2.S
index 591a7a8..11aadc9 100644 (file)
--- a/math/mpx-mul4-x86-sse2.S
+++ b/math/mpx-mul4-x86-sse2.S
@@ -103,7 +103,7 @@
   .ifnes "\d3", "nil"
        movdqa  \d3, [\s + 16]          // (s'_2, s'_3; s''_2, s''_3)
   .endif
-       pshufd  \d0, \d0, SHUF(3, 0, 3, 0) // (r_i, ?; r_i, ?)
+       pshufd  \d0, \d0, SHUF(0, 3, 0, 3) // (r_i, ?; r_i, ?)
   .ifnes "\d1", "nil"
        psrldq  \d1, 4                  // (s'_1, s''_0; s''_1, 0)
   .endif
@@ -171,7 +171,7 @@
        // carry registers.  On completion, XMM3 is clobbered.  If CC is
        // `nil', then the contribution which would have been added to it is
        // left in C.
-       pshufd  xmm3, \c, SHUF(2, 3, 3, 3) // (?, ?; ?, t = c'' mod B)
+       pshufd  xmm3, \c, SHUF(3, 3, 3, 2) // (?, ?; ?, t = c'' mod B)
        psrldq  xmm3, 12                // (t, 0; 0, 0) = (t, 0)
        pslldq  xmm3, 2                 // (t b; 0)
        paddq   \c, xmm3                // (c' + t b; c'')
@@ -209,11 +209,11 @@
        punpcklwd \c, \z                // (c'_0, c''_0; c'_1, c''_1)
        punpckhwd \d, \z                // (c'_2, c''_2; c'_3, c''_3)
   .endif
-       pshufd  \a, \a, SHUF(3, 1, 2, 0) // (a'_0, a'_1; a''_0, a''_1)
-       pshufd  \b, \b, SHUF(3, 1, 2, 0) // (a'_2, a'_3; a''_2, a''_3)
+       pshufd  \a, \a, SHUF(0, 2, 1, 3) // (a'_0, a'_1; a''_0, a''_1)
+       pshufd  \b, \b, SHUF(0, 2, 1, 3) // (a'_2, a'_3; a''_2, a''_3)
   .ifnes "\c", "nil"
-       pshufd  \c, \c, SHUF(3, 1, 2, 0) // (c'_0, c'_1; c''_0, c''_1)
-       pshufd  \d, \d, SHUF(3, 1, 2, 0) // (c'_2, c'_3; c''_2, c''_3)
+       pshufd  \c, \c, SHUF(0, 2, 1, 3) // (c'_0, c'_1; c''_0, c''_1)
+       pshufd  \d, \d, SHUF(0, 2, 1, 3) // (c'_2, c'_3; c''_2, c''_3)
   .endif
 .endm