From 0f62db298c5f511c371d205c4df961ff41330bbb Mon Sep 17 00:00:00 2001
From: hendricks266 <hendricks266@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Sat, 25 Oct 2014 10:17:04 +0000
Subject: [PATCH] Remove Wii-specific ASM for scale(). Libdivide is likely
 faster; tests on a real Wii pending. DONT_BUILD.

git-svn-id: https://svn.eduke32.com/eduke32@4683 1a8010ca-5511-0410-912e-c29ae57300e0
---
 polymer/eduke32/build/src/pragmas.c | 85 -----------------------------
 1 file changed, 85 deletions(-)

diff --git a/polymer/eduke32/build/src/pragmas.c b/polymer/eduke32/build/src/pragmas.c
index 88a382655..01dd1d438 100644
--- a/polymer/eduke32/build/src/pragmas.c
+++ b/polymer/eduke32/build/src/pragmas.c
@@ -151,91 +151,6 @@ void copybufreverse(const void *S, void *D, int32_t c)
 
 #elif defined(__GNUC__) && defined(GEKKO)
 
-// naked function (no prolog/epilog)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunused-parameter"
-#pragma GCC diagnostic ignored "-Wreturn-type"
-int32_t scale(int32_t a, int32_t d, int32_t c) ATTRIBUTE((naked));
-{
-    //	return ((int64_t)a * d) / c;
-
-    __asm__ __volatile__ (
-        " mullw   6, 3, 4\n"
-        " mulhw   4, 3, 4\n"
-        " mr      3, 6\n"
-
-        " srawi.  0, 5, 31\n"
-        " cmpwi cr1, 4, 0\n"
-        " crxor   7, 0, 4\n"
-
-        " xor     5, 0, 5\n"
-        " subf.   5, 0, 5\n"
-
-        " beq     DivByZero\n"
-        " bge   cr1, Div64Common\n"
-
-        " subfic  3, 3, 0\n"
-        " subfze  4, 4\n"
-
-        "Div64Common:\n"
-        " cmplw   4, 5\n"
-
-        " cntlzw  6, 5\n"
-        " xor     4, 4, 3\n"
-        " slw     5, 5, 6\n"
-        " rotlw   4, 4, 6\n"
-        " slw     3, 3, 6\n"
-        " li      7, 2\n"
-        " xor     4, 4, 3\n"
-
-        " bge DivOverflow\n"
-        " mtctr   7\n"
-
-        "Div64Compute:\n"
-        " srwi    6, 5, 16\n"
-        " divwu   7, 4, 6\n"
-        " mullw   6, 7, 6\n"
-        " subf    4, 6, 4\n"
-        " slwi    4, 4, 16\n"
-        " inslwi  4, 3, 16, 16\n"
-        " slwi    3, 3, 16\n"
-        " clrlwi  6, 5, 16\n"
-        " mullw   6, 7, 6\n"
-        " subfc   4, 6, 4\n"
-        " subfe.  6, 6, 6\n"
-        " add     3, 3, 7\n"
-        " bge Div64Done\n"
-        "Div64Correct:\n"
-        " addc    4, 4, 5\n"
-        " addze.  6, 6\n"
-        " subi    3, 3, 1\n"
-        " blt     Div64Correct\n"
-
-        "Div64Done:\n"
-        " bdnz    Div64Compute\n"
-
-        " cmpwi   3, 0\n"
-        " bso   cr1, Div64QuotientNeg\n"
-
-        " blt     DivOverflow\n"
-        " blr\n"
-
-        "Div64QuotientNeg:\n"
-        " neg.    3, 3\n"
-        " blelr\n"
-
-        "DivOverflow:\n"
-        " cror    4, 7, 7\n"
-
-        "DivByZero:\n"
-        " lis     3, 0x8000\n"
-        " bltlr cr1\n"
-        " subi    3, 3, 1\n"
-        " blr\n"
-        );
-}
-#pragma GCC diagnostic pop
-
 void clearbufbyte(void *d, int32_t c, int32_t a)
 {
     if (a==0) {