diff options
Diffstat (limited to 'src/mathline.c')
| -rw-r--r-- | src/mathline.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/src/mathline.c b/src/mathline.c index 99837b2..98eb676 100644 --- a/src/mathline.c +++ b/src/mathline.c @@ -162,12 +162,12 @@ void MUL_I_WIDE(int a, int b, LONGLONGCH *c) mov [ebx+4],edx } */ -__asm__("imull %2 \n\t" +__asm__("imull %%edx \n\t" "movl %%eax, 0(%%ebx) \n\t" "movl %%edx, 4(%%ebx) \n\t" : - : "a" (a), "b" (c), "q" (b) - : "%edx", "memory", "cc" + : "a" (a), "b" (c), "d" (b) + : "memory", "cc" ); } @@ -208,18 +208,18 @@ __asm__("movl 0(%%ebx), %%eax \n\t" "movl 4(%%ebx), %%edx \n\t" "subl 0(%%ecx), %%eax \n\t" "sbbl 4(%%ecx), %%edx \n\t" - "xorl %0, %0 \n\t" /* hopefully it doesn't pick %eax or %edx */ + "xorl %%ebx, %%ebx \n\t" "andl %%edx, %%edx \n\t" "jne 0 \n\t" /* llnz */ "andl %%eax, %%eax \n\t" "je 1 \n" /* llgs */ "0: \n\t" /* llnz */ - "movl $1, %0 \n\t" + "movl $1, %%ebx \n\t" "andl %%edx, %%edx \n\t" "jge 1 \n\t" /* llgs */ - "negl %0 \n" + "negl %%ebx \n" "1: \n\t" /* llgs */ - : "=r" (retval) + : "=b" (retval) : "b" (a), "c" (b) : "%eax", "%edx", "memory", "cc" ); @@ -374,12 +374,11 @@ int MUL_FIXED(int a, int b) mov retval,eax } */ -/* TODO */ -__asm__("imull %2 \n\t" +__asm__("imull %%edx \n\t" "shrdl $16, %%edx, %%eax \n\t" : "=a" (retval) - : "a" (a), "q" (b) - : "%edx", "cc" + : "a" (a), "d" (b) + : "cc" ); return retval; } @@ -405,14 +404,13 @@ int DIV_FIXED(int a, int b) mov retval,eax } */ -/* TODO */ __asm__("cdq \n\t" "roll $16, %%eax \n\t" "mov %%ax, %%dx \n\t" "xor %%ax, %%ax \n\t" - "idivl %2 \n\t" + "idivl %%ebx \n\t" : "=a" (retval) - : "a" (a), "q" (b) + : "a" (a), "b" (b) : "%edx", "cc" ); return retval; @@ -625,3 +623,16 @@ __asm__("fld fti_fptmp \n\t" return fptmp; #endif } + +void TranslatePoint(float *source, float *dest, float *matrix) +{ +// fprintf(stderr, "TranslatePoint(%f, %f, %f)\n"); + +/* TODO - implement the inline assembly here? */ +/* Moved it to a separate file because I can't figure out the damn syntax! */ +/* This is currently not inlined for testing */ +__asm__("call TranslatePoint_Asm \n\t" + : + : "S" (source), "b" (dest), "D" (matrix) + ); +} |