diff options
Diffstat (limited to 'src/mesa/tnl/t_vtx_x86_gcc.S')
| -rw-r--r-- | src/mesa/tnl/t_vtx_x86_gcc.S | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/src/mesa/tnl/t_vtx_x86_gcc.S b/src/mesa/tnl/t_vtx_x86_gcc.S index 937b53bfd3..e932faff75 100644 --- a/src/mesa/tnl/t_vtx_x86_gcc.S +++ b/src/mesa/tnl/t_vtx_x86_gcc.S @@ -31,11 +31,25 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. */ #if defined(USE_X86_ASM) && !defined(HAVE_NONSTANDARD_GLAPIENTRY) - + +#if !defined (__DJGPP__) + #define GLOBL( x ) \ .globl x; \ x: +#define EXTRN( x ) x + +#else /* defined(__DJGPP__) */ + +#define GLOBL( x ) \ +.globl _##x; \ +_##x: + +#define EXTRN( x ) _##x + +#endif /* defined(__DJGPP__) */ + .data .align 4 @@ -48,6 +62,10 @@ x: +// [dBorca] TODO +// Unfold functions for each vertex size? +// Build super-specialized MMX/SSE versions? + GLOBL ( _x86_Vertex1fv ) movl 4(%esp), %ecx push %edi @@ -217,9 +235,9 @@ GLOBL( _x86_choose_fv) subl $12, %esp // gcc does 16 byte alignment of stack frames? movl $SUBST(0), (%esp) // arg 0 - attrib movl $SUBST(1), 4(%esp) // arg 1 - N - call _do_choose // new function returned in %eax - add $12, %esp // tear down stack frame - jmp *%eax // jump to new func + call EXTRN(_do_choose) // new function returned in %eax + add $12, %esp // tear down stack frame + jmp *%eax // jump to new func GLOBL ( _x86_choosefv_end ) @@ -251,7 +269,7 @@ GLOBL( _x86_dispatch_attrf ) subl $12, %esp // gcc does 16 byte alignment of stack frames? leal 16(%esp), %edx // address of first float on stack movl %edx, (%esp) // save as 'v' - call SUBST(0) // 0x0 --> tabfv[attr][n] + call *SUBST(0) // 0x0 --> tabfv[attr][n] addl $12, %esp // tear down frame ret // return GLOBL( _x86_dispatch_attrf_end ) @@ -259,7 +277,7 @@ GLOBL( _x86_dispatch_attrf_end ) // The fv case is simpler: // GLOBL( _x86_dispatch_attrfv ) - jmp SUBST(0) // 0x0 --> tabfv[attr][n] + jmp *SUBST(0) // 0x0 --> tabfv[attr][n] GLOBL( _x86_dispatch_attrfv_end ) @@ -294,7 +312,7 @@ GLOBL( _x86_dispatch_vertexattribf ) movl $16, %ecx movl 4(%esp), %eax cmpl $16, %eax - cmovge %ecx, %eax + cmovge %ecx, %eax // [dBorca] BADBAD! might not be supported leal 8(%esp), %ecx // calculate 'v' movl %ecx, 4(%esp) // save in 1st arg slot sall $4, %eax @@ -305,7 +323,7 @@ GLOBL( _x86_dispatch_vertexattribfv ) movl $16, %ecx movl 4(%esp), %eax cmpl $16, %eax - cmovge %ecx, %eax + cmovge %ecx, %eax // [dBorca] BADBAD! might not be supported movl 8(%esp), %ecx // load 'v' movl %ecx, 4(%esp) // save in 1st arg slot sall $4, %eax |