diff options
Diffstat (limited to 'src/mesa/tnl/t_vtx_x86_gcc.S')
| -rw-r--r-- | src/mesa/tnl/t_vtx_x86_gcc.S | 573 |
1 files changed, 391 insertions, 182 deletions
diff --git a/src/mesa/tnl/t_vtx_x86_gcc.S b/src/mesa/tnl/t_vtx_x86_gcc.S index bad87d3ee9e..fcc69f1d0d1 100644 --- a/src/mesa/tnl/t_vtx_x86_gcc.S +++ b/src/mesa/tnl/t_vtx_x86_gcc.S @@ -28,97 +28,114 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. /* * Authors: * Keith Whitwell <[email protected]> + * Daniel Borca <[email protected]> */ -#if !defined (__DJGPP__) && !defined (__MINGW32__) - +#if defined (__DJGPP__) || defined (__MINGW32__) +#define GLOBL( x ) \ +.globl _##x; \ +_##x: +#else /* !defined (__DJGPP__) && !defined (__MINGW32__) */ #define GLOBL( x ) \ .globl x; \ x: +#endif /* !defined (__DJGPP__) && !defined (__MINGW32__) */ -#else /* defined(__DJGPP__) || defined (__MINGW32__) */ -#define GLOBL( x ) \ -.globl _##x; \ -_##x: +#if !defined (STDCALL_API) +#define RETCLEAN( x ) ret +#else +#define RETCLEAN( x ) ret $x +#endif -#endif /* defined(__DJGPP__) || defined (__MINGW32__) */ -.data -.align 4 +#define _JMP(x) \ +.byte 0xe9; \ +.long x + +#define _CALL(x) \ +.byte 0xe8; \ +.long x -// Someone who knew a lot about this sort of thing would use this -// macro to note current offsets, etc in a special region of the -// object file & just make everything work out neat. I do not know -// enough to do that... + +/* Someone who knew a lot about this sort of thing would use this + * macro to note current offsets, etc in a special region of the + * object file & just make everything work out neat. I don't know + * enough to do that... + */ #define SUBST( x ) (0x10101010 + x) +.data -// [dBorca] TODO -// Unfold functions for each vertex size? -// Build super-specialized SSE versions? -// STDCALL woes (HAVE_NONSTANDARD_GLAPIENTRY): -// need separate routine for the non "fv" case, -// to clean up the stack! +/* [dBorca] TODO + * Unfold functions for each vertex size? + * Build super-specialized SSE versions? + * + * There is a trick in Vertex*fv: under certain conditions, + * we tail to _tnl_wrap_filled_vertex(ctx). This means that + * if Vertex*fv is STDCALL, then _tnl_wrap_filled_vertex must + * be STDCALL as well, because (GLcontext *) and (GLfloat *) + * have the same size. + */ +.align 4 GLOBL ( _tnl_x86_Vertex1fv ) movl 4(%esp), %ecx push %edi push %esi - movl SUBST(0), %edi # 0x0 --> tnl->vtx.vbptr - movl (%ecx), %edx # load v[0] - movl %edx, (%edi) # tnl->vtx.vbptr[0] = v[0] - addl $4, %edi # tnl->vtx.vbptr += 1 - movl $SUBST(1), %ecx # 0x1 --> (tnl->vtx.vertex_size - 1) - movl $SUBST(2), %esi # 0x2 --> (tnl->vtx.vertex + 1) + movl SUBST(0), %edi /* 0x0 --> tnl->vtx.vbptr */ + movl (%ecx), %edx /* load v[0] */ + movl %edx, (%edi) /* tnl->vtx.vbptr[0] = v[0] */ + addl $4, %edi /* tnl->vtx.vbptr += 1 */ + movl $SUBST(1), %ecx /* 0x1 --> (tnl->vtx.vertex_size - 1) */ + movl $SUBST(2), %esi /* 0x2 --> (tnl->vtx.vertex + 1) */ repz movsl %ds:(%esi), %es:(%edi) - movl %edi, SUBST(0) # 0x0 --> tnl->vtx.vbptr - movl SUBST(3), %edx # 0x3 --> counter + movl %edi, SUBST(0) /* 0x0 --> tnl->vtx.vbptr */ + movl SUBST(3), %edx /* 0x3 --> counter */ pop %esi pop %edi - dec %edx # counter-- - movl %edx, SUBST(3) # 0x3 --> counter - jne .0 # if (counter != 0) return - pushl $SUBST(4) # 0x4 --> ctx - .byte 0xe8 # call ... - .long SUBST(5) # ... _tnl_wrap_filled_vertex(ctx) - pop %eax + dec %edx /* counter-- */ + movl %edx, SUBST(3) /* 0x3 --> counter */ + je .0 /* if (counter == 0) goto .0 */ + RETCLEAN(4) /* return */ + .balign 16 .0: - ret # return + movl $SUBST(4), %eax /* load ctx */ + movl %eax, 4(%esp) /* push ctx */ + _JMP (SUBST(5)) /* jmp _tnl_wrap_filled_vertex */ GLOBL ( _tnl_x86_Vertex1fv_end ) - .align 4 GLOBL ( _tnl_x86_Vertex2fv ) movl 4(%esp), %ecx push %edi push %esi - movl SUBST(0), %edi # load tnl->vtx.vbptr - movl (%ecx), %edx # load v[0] - movl 4(%ecx), %eax # load v[1] - movl %edx, (%edi) # tnl->vtx.vbptr[0] = v[0] - movl %eax, 4(%edi) # tnl->vtx.vbptr[1] = v[1] - addl $8, %edi # tnl->vtx.vbptr += 2 - movl $SUBST(1), %ecx # vertex_size - 2 - movl $SUBST(2), %esi # tnl->vtx.vertex + 2 + movl SUBST(0), %edi /* load tnl->vtx.vbptr */ + movl (%ecx), %edx /* load v[0] */ + movl 4(%ecx), %eax /* load v[1] */ + movl %edx, (%edi) /* tnl->vtx.vbptr[0] = v[0] */ + movl %eax, 4(%edi) /* tnl->vtx.vbptr[1] = v[1] */ + addl $8, %edi /* tnl->vtx.vbptr += 2 */ + movl $SUBST(1), %ecx /* vertex_size - 2 */ + movl $SUBST(2), %esi /* tnl->vtx.vertex + 2 */ repz movsl %ds:(%esi), %es:(%edi) - movl %edi, SUBST(0) # save tnl->vtx.vbptr - movl SUBST(3), %edx # load counter + movl %edi, SUBST(0) /* save tnl->vtx.vbptr */ + movl SUBST(3), %edx /* load counter */ pop %esi pop %edi - dec %edx # counter-- - movl %edx, SUBST(3) # save counter - jne .1 # if (counter != 0) return - pushl $SUBST(4) # load ctx - .byte 0xe8 # call ... - .long SUBST(5) # ... _tnl_wrap_filled_vertex(ctx) - pop %eax + dec %edx /* counter-- */ + movl %edx, SUBST(3) /* save counter */ + je .1 /* if (counter == 0) goto .1 */ + RETCLEAN(4) /* return */ + .balign 16 .1: - ret # return + movl $SUBST(4), %eax /* load ctx */ + movl %eax, 4(%esp) /* push ctx */ + _JMP (SUBST(5)) /* jmp _tnl_wrap_filled_vertex */ GLOBL ( _tnl_x86_Vertex2fv_end ) .align 4 @@ -126,92 +143,88 @@ GLOBL ( _tnl_x86_Vertex3fv ) movl 4(%esp), %ecx push %edi push %esi - movl SUBST(0), %edi # load tnl->vtx.vbptr - movl (%ecx), %edx # load v[0] - movl 4(%ecx), %eax # load v[1] - movl 8(%ecx), %esi # load v[2] - movl %edx, (%edi) # tnl->vtx.vbptr[0] = v[0] - movl %eax, 4(%edi) # tnl->vtx.vbptr[1] = v[1] - movl %esi, 8(%edi) # tnl->vtx.vbptr[2] = v[2] - addl $12, %edi # tnl->vtx.vbptr += 3 - movl $SUBST(1), %ecx # vertex_size - 3 - movl $SUBST(2), %esi # tnl->vtx.vertex + 3 + movl SUBST(0), %edi /* load tnl->vtx.vbptr */ + movl (%ecx), %edx /* load v[0] */ + movl 4(%ecx), %eax /* load v[1] */ + movl 8(%ecx), %esi /* load v[2] */ + movl %edx, (%edi) /* tnl->vtx.vbptr[0] = v[0] */ + movl %eax, 4(%edi) /* tnl->vtx.vbptr[1] = v[1] */ + movl %esi, 8(%edi) /* tnl->vtx.vbptr[2] = v[2] */ + addl $12, %edi /* tnl->vtx.vbptr += 3 */ + movl $SUBST(1), %ecx /* vertex_size - 3 */ + movl $SUBST(2), %esi /* tnl->vtx.vertex + 3 */ repz movsl %ds:(%esi), %es:(%edi) - movl %edi, SUBST(0) # save tnl->vtx.vbptr - movl SUBST(3), %edx # load counter + movl %edi, SUBST(0) /* save tnl->vtx.vbptr */ + movl SUBST(3), %edx /* load counter */ pop %esi pop %edi - dec %edx # counter-- - movl %edx, SUBST(3) # save counter - jne .2 # if (counter != 0) return - pushl $SUBST(4) # load ctx - .byte 0xe8 # call ... - .long SUBST(5) # ... _tnl_wrap_filled_vertex(ctx) - pop %eax + dec %edx /* counter-- */ + movl %edx, SUBST(3) /* save counter */ + je .2 /* if (counter == 0) goto .2 */ + RETCLEAN(4) /* return */ + .balign 16 .2: - ret # return + movl $SUBST(4), %eax /* load ctx */ + movl %eax, 4(%esp) /* push ctx */ + _JMP (SUBST(5)) /* jmp _tnl_wrap_filled_vertex */ GLOBL ( _tnl_x86_Vertex3fv_end ) - .align 4 GLOBL ( _tnl_x86_Vertex4fv ) movl 4(%esp), %ecx push %edi push %esi - movl SUBST(0), %edi # load tnl->vtx.vbptr - movl (%ecx), %edx # load v[0] - movl 4(%ecx), %eax # load v[1] - movl 8(%ecx), %esi # load v[2] - movl 12(%ecx), %ecx # load v[3] - movl %edx, (%edi) # tnl->vtx.vbptr[0] = v[0] - movl %eax, 4(%edi) # tnl->vtx.vbptr[1] = v[1] - movl %esi, 8(%edi) # tnl->vtx.vbptr[2] = v[2] - movl %ecx, 12(%edi) # tnl->vtx.vbptr[3] = v[3] - addl $16, %edi # tnl->vtx.vbptr += 4 - movl $SUBST(1), %ecx # vertex_size - 4 - movl $SUBST(2), %esi # tnl->vtx.vertex + 3 + movl SUBST(0), %edi /* load tnl->vtx.vbptr */ + movl (%ecx), %edx /* load v[0] */ + movl 4(%ecx), %eax /* load v[1] */ + movl 8(%ecx), %esi /* load v[2] */ + movl 12(%ecx), %ecx /* load v[3] */ + movl %edx, (%edi) /* tnl->vtx.vbptr[0] = v[0] */ + movl %eax, 4(%edi) /* tnl->vtx.vbptr[1] = v[1] */ + movl %esi, 8(%edi) /* tnl->vtx.vbptr[2] = v[2] */ + movl %ecx, 12(%edi) /* tnl->vtx.vbptr[3] = v[3] */ + addl $16, %edi /* tnl->vtx.vbptr += 4 */ + movl $SUBST(1), %ecx /* vertex_size - 4 */ + movl $SUBST(2), %esi /* tnl->vtx.vertex + 4 */ repz movsl %ds:(%esi), %es:(%edi) - movl %edi, SUBST(0) # save tnl->vtx.vbptr - movl SUBST(3), %edx # load counter + movl %edi, SUBST(0) /* save tnl->vtx.vbptr */ + movl SUBST(3), %edx /* load counter */ pop %esi pop %edi - dec %edx # counter-- - movl %edx, SUBST(3) # save counter - jne .3 # if (counter != 0) return - pushl $SUBST(4) # load ctx - .byte 0xe8 # call ... - .long SUBST(5) # ... _tnl_wrap_filled_vertex(ctx) - pop %eax + dec %edx /* counter-- */ + movl %edx, SUBST(3) /* save counter */ + je .3 /* if (counter == 0) goto .3 */ + RETCLEAN(4) /* return */ + .balign 16 .3: - ret # return + movl $SUBST(4), %eax /* load ctx */ + movl %eax, 4(%esp) /* push ctx */ + _JMP (SUBST(5)) /* jmp _tnl_wrap_filled_vertex */ GLOBL ( _tnl_x86_Vertex4fv_end ) - /** * Generic handlers for vector format data. */ - -GLOBL( _tnl_x86_Attribute1fv) +GLOBL( _tnl_x86_Attribute1fv ) movl 4(%esp), %ecx movl (%ecx), %eax /* load v[0] */ movl %eax, SUBST(0) /* store v[0] to current vertex */ - ret + RETCLEAN(4) GLOBL ( _tnl_x86_Attribute1fv_end ) -GLOBL( _tnl_x86_Attribute2fv) +GLOBL( _tnl_x86_Attribute2fv ) movl 4(%esp), %ecx movl (%ecx), %eax /* load v[0] */ movl 4(%ecx), %edx /* load v[1] */ movl %eax, SUBST(0) /* store v[0] to current vertex */ movl %edx, SUBST(1) /* store v[1] to current vertex */ - ret + RETCLEAN(4) GLOBL ( _tnl_x86_Attribute2fv_end ) - -GLOBL( _tnl_x86_Attribute3fv) +GLOBL( _tnl_x86_Attribute3fv ) movl 4(%esp), %ecx movl (%ecx), %eax /* load v[0] */ movl 4(%ecx), %edx /* load v[1] */ @@ -219,10 +232,10 @@ GLOBL( _tnl_x86_Attribute3fv) movl %eax, SUBST(0) /* store v[0] to current vertex */ movl %edx, SUBST(1) /* store v[1] to current vertex */ movl %ecx, SUBST(2) /* store v[2] to current vertex */ - ret + RETCLEAN(4) GLOBL ( _tnl_x86_Attribute3fv_end ) -GLOBL( _tnl_x86_Attribute4fv) +GLOBL( _tnl_x86_Attribute4fv ) movl 4(%esp), %ecx movl (%ecx), %eax /* load v[0] */ movl 4(%ecx), %edx /* load v[1] */ @@ -232,84 +245,131 @@ GLOBL( _tnl_x86_Attribute4fv) movl 12(%ecx), %edx /* load v[3] */ movl %eax, SUBST(2) /* store v[2] to current vertex */ movl %edx, SUBST(3) /* store v[3] to current vertex */ - ret + RETCLEAN(4) GLOBL ( _tnl_x86_Attribute4fv_end ) -// Choosers: - -// Must generate all of these ahead of first usage. Generate at -// compile-time? - - -GLOBL( _tnl_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 - .byte 0xe8 # call ... - .long SUBST(2) # ... do_choose - add $12, %esp # tear down stack frame - jmp *%eax # jump to new func +/* Choosers: + * + * Must generate all of these ahead of first usage. Generate at + * compile-time? + */ +GLOBL( _tnl_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 (SUBST(2)) /* call do_choose */ + add $12, %esp /* tear down stack frame */ + jmp *%eax /* jump to new func */ GLOBL ( _tnl_x86_choose_fv_end ) +/* FIRST LEVEL FUNCTIONS -- these are plugged directly into GL dispatch. + * + * In the 1st level dispatch functions, switch to a different + * calling convention -- (const GLfloat *v) in %ecx. + * + * As with regular (x86) dispatch, don't create a new stack frame - + * just let the 'ret' in the dispatched function return straight + * back to the original caller. + * + * Vertex/Normal/Color, etc: the address of the function pointer + * is known at codegen time. + */ -// FIRST LEVEL FUNCTIONS -- these are plugged directly into GL dispatch. - - - -// In the 1st level dispatch functions, switch to a different -// calling convention -- (const GLfloat *v) in %ecx. -// -// As with regular (x86) dispatch, do not create a new stack frame - -// just let the 'ret' in the dispatched function return straight -// back to the original caller. - - - -// Vertex/Normal/Color, etc: the address of the function pointer -// is known at codegen time. - - -// Unfortunately, have to play with the stack in the non-fv case: -// -GLOBL( _tnl_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] - addl $12, %esp # tear down frame - ret # return -GLOBL( _tnl_x86_dispatch_attrf_end ) - -// The fv case is simpler: -// +/* Unfortunately, have to play with the stack in the non-fv case: + */ +#if !defined (STDCALL_API) +GLOBL( _tnl_x86_dispatch_attrf1 ) +GLOBL( _tnl_x86_dispatch_attrf2 ) +GLOBL( _tnl_x86_dispatch_attrf3 ) +GLOBL( _tnl_x86_dispatch_attrf4 ) + 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] */ + addl $12, %esp /* tear down frame */ + ret /* return */ +GLOBL( _tnl_x86_dispatch_attrf4_end ) +GLOBL( _tnl_x86_dispatch_attrf3_end ) +GLOBL( _tnl_x86_dispatch_attrf2_end ) +GLOBL( _tnl_x86_dispatch_attrf1_end ) + +#else /* defined(STDCALL_API) */ + +GLOBL( _tnl_x86_dispatch_attrf1 ) + 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] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $4 /* return */ +GLOBL( _tnl_x86_dispatch_attrf1_end ) + +GLOBL( _tnl_x86_dispatch_attrf2 ) + 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] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $8 /* return */ +GLOBL( _tnl_x86_dispatch_attrf2_end ) + +GLOBL( _tnl_x86_dispatch_attrf3 ) + 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] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $12 /* return */ +GLOBL( _tnl_x86_dispatch_attrf3_end ) + +GLOBL( _tnl_x86_dispatch_attrf4 ) + 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] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $16 /* return */ +GLOBL( _tnl_x86_dispatch_attrf4_end ) +#endif /* defined(STDCALL_API) */ + +/* The fv case is simpler: + */ GLOBL( _tnl_x86_dispatch_attrfv ) - jmp *SUBST(0) # 0x0 --> tabfv[attr][n] + jmp *SUBST(0) /* 0x0 --> tabfv[attr][n] */ GLOBL( _tnl_x86_dispatch_attrfv_end ) -// MultiTexcoord: the address of the function pointer must be -// calculated, but can use the index argument slot to hold 'v', and -// avoid setting up a new stack frame. -// -// [dBorca] -// right, this would be the preferred approach, but gcc does not -// clean up the stack after each function call when optimizing (-fdefer-pop); -// can it make assumptions about what is already on the stack? I dunno, -// but in this case, we can't mess with the caller's stack frame, and -// we must use a model like '_x86_dispatch_attrfv' above. Caveat emptor! - -// Also, will only need a maximum of four of each of these per context: -// -GLOBL( _tnl_x86_dispatch_multitexcoordf ) +/* MultiTexcoord: the address of the function pointer must be + * calculated, but can use the index argument slot to hold 'v', and + * avoid setting up a new stack frame. + * + * [dBorca] + * right, this would be the preferred approach, but gcc does not + * clean up the stack after each function call when optimizing (-fdefer-pop); + * can it make assumptions about what's already on the stack? I dunno, + * but in this case, we can't mess with the caller's stack frame, and + * we must use a model like `_x86_dispatch_attrfv' above. Caveat emptor! + */ + +/* Also, will only need a maximum of four of each of these per context: + */ +#if !defined (STDCALL_API) +GLOBL( _tnl_x86_dispatch_multitexcoordf1 ) +GLOBL( _tnl_x86_dispatch_multitexcoordf2 ) +GLOBL( _tnl_x86_dispatch_multitexcoordf3 ) +GLOBL( _tnl_x86_dispatch_multitexcoordf4 ) movl 4(%esp), %ecx leal 8(%esp), %edx andl $7, %ecx movl %edx, 4(%esp) sall $4, %ecx - jmp *SUBST(0)(%ecx) # 0x0 - tabfv[tex0][n] -GLOBL( _tnl_x86_dispatch_multitexcoordf_end ) + jmp *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */ +GLOBL( _tnl_x86_dispatch_multitexcoordf4_end ) +GLOBL( _tnl_x86_dispatch_multitexcoordf3_end ) +GLOBL( _tnl_x86_dispatch_multitexcoordf2_end ) +GLOBL( _tnl_x86_dispatch_multitexcoordf1_end ) GLOBL( _tnl_x86_dispatch_multitexcoordfv ) movl 4(%esp), %ecx @@ -317,32 +377,181 @@ GLOBL( _tnl_x86_dispatch_multitexcoordfv ) andl $7, %ecx movl %edx, 4(%esp) sall $4, %ecx - jmp *SUBST(0)(%ecx) # 0x0 - tabfv[tex0][n] + jmp *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */ GLOBL( _tnl_x86_dispatch_multitexcoordfv_end ) -// VertexAttrib: the address of the function pointer must be -// calculated. +#else /* defined (STDCALL_API) */ + +GLOBL( _tnl_x86_dispatch_multitexcoordf1 ) + subl $12, %esp /* gcc does 16 byte alignment of stack frames? */ + movl 16(%esp), %ecx + leal 20(%esp), %edx + andl $7, %ecx + movl %edx, (%esp) + sall $4, %ecx + call *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $8 /* return */ +GLOBL( _tnl_x86_dispatch_multitexcoordf1_end ) + +GLOBL( _tnl_x86_dispatch_multitexcoordf2 ) + subl $12, %esp /* gcc does 16 byte alignment of stack frames? */ + movl 16(%esp), %ecx + leal 20(%esp), %edx + andl $7, %ecx + movl %edx, (%esp) + sall $4, %ecx + call *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $12 /* return */ +GLOBL( _tnl_x86_dispatch_multitexcoordf2_end ) + +GLOBL( _tnl_x86_dispatch_multitexcoordf3 ) + subl $12, %esp /* gcc does 16 byte alignment of stack frames? */ + movl 16(%esp), %ecx + leal 20(%esp), %edx + andl $7, %ecx + movl %edx, (%esp) + sall $4, %ecx + call *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $16 /* return */ +GLOBL( _tnl_x86_dispatch_multitexcoordf3_end ) + +GLOBL( _tnl_x86_dispatch_multitexcoordf4 ) + subl $12, %esp /* gcc does 16 byte alignment of stack frames? */ + movl 16(%esp), %ecx + leal 20(%esp), %edx + andl $7, %ecx + movl %edx, (%esp) + sall $4, %ecx + call *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $20 /* return */ +GLOBL( _tnl_x86_dispatch_multitexcoordf4_end ) -GLOBL( _tnl_x86_dispatch_vertexattribf ) +GLOBL( _tnl_x86_dispatch_multitexcoordfv ) + subl $12, %esp /* gcc does 16 byte alignment of stack frames? */ + movl 16(%esp), %ecx + movl 20(%esp), %edx + andl $7, %ecx + movl %edx, (%esp) + sall $4, %ecx + call *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $8 /* return */ +GLOBL( _tnl_x86_dispatch_multitexcoordfv_end ) +#endif /* defined (STDCALL_API) */ + + +/* VertexAttrib: the address of the function pointer must be + * calculated. + */ +#if !defined (STDCALL_API) +GLOBL( _tnl_x86_dispatch_vertexattribf1 ) +GLOBL( _tnl_x86_dispatch_vertexattribf2 ) +GLOBL( _tnl_x86_dispatch_vertexattribf3 ) +GLOBL( _tnl_x86_dispatch_vertexattribf4 ) movl 4(%esp), %eax cmpl $16, %eax - jb .8 # "cmovge" is not supported on all CPUs + jb .8 /* "cmovge" is not supported on all CPUs */ movl $16, %eax .8: - leal 8(%esp), %ecx # calculate 'v' - movl %ecx, 4(%esp) # save in 1st arg slot + leal 8(%esp), %ecx /* calculate 'v' */ + movl %ecx, 4(%esp) /* save in 1st arg slot */ sall $4, %eax - jmp *SUBST(0)(%eax) # 0x0 - tabfv[0][n] -GLOBL( _tnl_x86_dispatch_vertexattribf_end ) + jmp *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */ +GLOBL( _tnl_x86_dispatch_vertexattribf4_end ) +GLOBL( _tnl_x86_dispatch_vertexattribf3_end ) +GLOBL( _tnl_x86_dispatch_vertexattribf2_end ) +GLOBL( _tnl_x86_dispatch_vertexattribf1_end ) GLOBL( _tnl_x86_dispatch_vertexattribfv ) movl 4(%esp), %eax cmpl $16, %eax - jb .9 # "cmovge" is not supported on all CPUs + jb .9 /* "cmovge" is not supported on all CPUs */ + movl $16, %eax +.9: + movl 8(%esp), %ecx /* load 'v' */ + movl %ecx, 4(%esp) /* save in 1st arg slot */ + sall $4, %eax + jmp *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */ +GLOBL( _tnl_x86_dispatch_vertexattribfv_end ) + +#else /* defined (STDCALL_API) */ + +GLOBL( _tnl_x86_dispatch_vertexattribf1 ) + subl $12, %esp /* gcc does 16 byte alignment of stack frames? */ + movl 16(%esp), %eax + cmpl $16, %eax + jb .81 /* "cmovge" is not supported on all CPUs */ + movl $16, %eax +.81: + leal 20(%esp), %ecx /* load 'v' */ + movl %ecx, (%esp) /* save in 1st arg slot */ + sall $4, %eax + call *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $8 /* return */ +GLOBL( _tnl_x86_dispatch_vertexattribf1_end ) + +GLOBL( _tnl_x86_dispatch_vertexattribf2 ) + subl $12, %esp /* gcc does 16 byte alignment of stack frames? */ + movl 16(%esp), %eax + cmpl $16, %eax + jb .82 /* "cmovge" is not supported on all CPUs */ + movl $16, %eax +.82: + leal 20(%esp), %ecx /* load 'v' */ + movl %ecx, (%esp) /* save in 1st arg slot */ + sall $4, %eax + call *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $12 /* return */ +GLOBL( _tnl_x86_dispatch_vertexattribf2_end ) + +GLOBL( _tnl_x86_dispatch_vertexattribf3 ) + subl $12, %esp /* gcc does 16 byte alignment of stack frames? */ + movl 16(%esp), %eax + cmpl $16, %eax + jb .83 /* "cmovge" is not supported on all CPUs */ + movl $16, %eax +.83: + leal 20(%esp), %ecx /* load 'v' */ + movl %ecx, (%esp) /* save in 1st arg slot */ + sall $4, %eax + call *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $16 /* return */ +GLOBL( _tnl_x86_dispatch_vertexattribf3_end ) + +GLOBL( _tnl_x86_dispatch_vertexattribf4 ) + subl $12, %esp /* gcc does 16 byte alignment of stack frames? */ + movl 16(%esp), %eax + cmpl $16, %eax + jb .84 /* "cmovge" is not supported on all CPUs */ + movl $16, %eax +.84: + leal 20(%esp), %ecx /* load 'v' */ + movl %ecx, (%esp) /* save in 1st arg slot */ + sall $4, %eax + call *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $20 /* return */ +GLOBL( _tnl_x86_dispatch_vertexattribf4_end ) + +GLOBL( _tnl_x86_dispatch_vertexattribfv ) + subl $12, %esp /* gcc does 16 byte alignment of stack frames? */ + movl 16(%esp), %eax + cmpl $16, %eax + jb .9 /* "cmovge" is not supported on all CPUs */ movl $16, %eax .9: - movl 8(%esp), %ecx # load 'v' - movl %ecx, 4(%esp) # save in 1st arg slot + movl 20(%esp), %ecx /* load 'v' */ + movl %ecx, (%esp) /* save in 1st arg slot */ sall $4, %eax - jmp *SUBST(0)(%eax) # 0x0 - tabfv[0][n] + call *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */ + addl $8, %esp /* tear down frame (4 shaved off by the callee) */ + ret $8 /* return */ GLOBL( _tnl_x86_dispatch_vertexattribfv_end ) +#endif /* defined (STDCALL_API) */ |