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Diffstat (limited to 'src/mesa/drivers/dri/common/mmx.h')
| -rw-r--r-- | src/mesa/drivers/dri/common/mmx.h | 560 |
1 files changed, 0 insertions, 560 deletions
diff --git a/src/mesa/drivers/dri/common/mmx.h b/src/mesa/drivers/dri/common/mmx.h deleted file mode 100644 index 49ce7e3e342..00000000000 --- a/src/mesa/drivers/dri/common/mmx.h +++ /dev/null @@ -1,560 +0,0 @@ -/* mmx.h - - MultiMedia eXtensions GCC interface library for IA32. - - To use this library, simply include this header file - and compile with GCC. You MUST have inlining enabled - in order for mmx_ok() to work; this can be done by - simply using -O on the GCC command line. - - Compiling with -DMMX_TRACE will cause detailed trace - output to be sent to stderr for each mmx operation. - This adds lots of code, and obviously slows execution to - a crawl, but can be very useful for debugging. - - THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY - EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT - LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS FOR ANY PARTICULAR PURPOSE. - - 1997-98 by H. Dietz and R. Fisher - - History: - 97-98* R.Fisher Early versions - 980501 R.Fisher Original Release - 980611* H.Dietz Rewrite, correctly implementing inlines, and - R.Fisher including direct register accesses. - 980616 R.Fisher Release of 980611 as 980616. - 980714 R.Fisher Minor corrections to Makefile, etc. - 980715 R.Fisher mmx_ok() now prevents optimizer from using - clobbered values. - mmx_ok() now checks if cpuid instruction is - available before trying to use it. - 980726* R.Fisher mm_support() searches for AMD 3DNow, Cyrix - Extended MMX, and standard MMX. It returns a - value which is positive if any of these are - supported, and can be masked with constants to - see which. mmx_ok() is now a call to this - 980726* R.Fisher Added i2r support for shift functions - 980919 R.Fisher Fixed AMD extended feature recognition bug. - 980921 R.Fisher Added definition/check for _MMX_H. - Added "float s[2]" to mmx_t for use with - 3DNow and EMMX. So same mmx_t can be used. - 981013 R.Fisher Fixed cpuid function 1 bug (looked at wrong reg) - Fixed psllq_i2r error in mmxtest.c - - * Unreleased (internal or interim) versions - - Notes: - It appears that the latest gas has the pand problem fixed, therefore - I'll undefine BROKEN_PAND by default. - String compares may be quicker than the multiple test/jumps in vendor - test sequence in mmx_ok(), but I'm not concerned with that right now. - - Acknowledgments: - Jussi Laako for pointing out the errors ultimately found to be - connected to the failure to notify the optimizer of clobbered values. - Roger Hardiman for reminding us that CPUID isn't everywhere, and that - someone may actually try to use this on a machine without CPUID. - Also for suggesting code for checking this. - Robert Dale for pointing out the AMD recognition bug. - Jimmy Mayfield and Carl Witty for pointing out the Intel recognition - bug. - Carl Witty for pointing out the psllq_i2r test bug. -*/ - -#ifndef _MMX_H -#define _MMX_H - -//#define MMX_TRACE - -/* Warning: at this writing, the version of GAS packaged - with most Linux distributions does not handle the - parallel AND operation mnemonic correctly. If the - symbol BROKEN_PAND is defined, a slower alternative - coding will be used. If execution of mmxtest results - in an illegal instruction fault, define this symbol. -*/ -#undef BROKEN_PAND - - -/* The type of an value that fits in an MMX register - (note that long long constant values MUST be suffixed - by LL and unsigned long long values by ULL, lest - they be truncated by the compiler) -*/ -typedef union { - long long q; /* Quadword (64-bit) value */ - unsigned long long uq; /* Unsigned Quadword */ - int d[2]; /* 2 Doubleword (32-bit) values */ - unsigned int ud[2]; /* 2 Unsigned Doubleword */ - short w[4]; /* 4 Word (16-bit) values */ - unsigned short uw[4]; /* 4 Unsigned Word */ - char b[8]; /* 8 Byte (8-bit) values */ - unsigned char ub[8]; /* 8 Unsigned Byte */ - float s[2]; /* Single-precision (32-bit) value */ -} mmx_t; - -/* Helper functions for the instruction macros that follow... - (note that memory-to-register, m2r, instructions are nearly - as efficient as register-to-register, r2r, instructions; - however, memory-to-memory instructions are really simulated - as a convenience, and are only 1/3 as efficient) -*/ -#ifdef MMX_TRACE - -/* Include the stuff for printing a trace to stderr... -*/ - -#include <stdio.h> - -#define mmx_i2r(op, imm, reg) \ - { \ - mmx_t mmx_trace; \ - mmx_trace = (imm); \ - fprintf(stderr, #op "_i2r(" #imm "=0x%016llx, ", mmx_trace.q); \ - __asm__ __volatile__ ("movq %%" #reg ", %0" \ - : "=X" (mmx_trace) \ - : /* nothing */ ); \ - fprintf(stderr, #reg "=0x%016llx) => ", mmx_trace.q); \ - __asm__ __volatile__ (#op " %0, %%" #reg \ - : /* nothing */ \ - : "X" (imm)); \ - __asm__ __volatile__ ("movq %%" #reg ", %0" \ - : "=X" (mmx_trace) \ - : /* nothing */ ); \ - fprintf(stderr, #reg "=0x%016llx\n", mmx_trace.q); \ - } - -#define mmx_m2r(op, mem, reg) \ - { \ - mmx_t mmx_trace; \ - mmx_trace = (mem); \ - fprintf(stderr, #op "_m2r(" #mem "=0x%016llx, ", mmx_trace.q); \ - __asm__ __volatile__ ("movq %%" #reg ", %0" \ - : "=X" (mmx_trace) \ - : /* nothing */ ); \ - fprintf(stderr, #reg "=0x%016llx) => ", mmx_trace.q); \ - __asm__ __volatile__ (#op " %0, %%" #reg \ - : /* nothing */ \ - : "X" (mem)); \ - __asm__ __volatile__ ("movq %%" #reg ", %0" \ - : "=X" (mmx_trace) \ - : /* nothing */ ); \ - fprintf(stderr, #reg "=0x%016llx\n", mmx_trace.q); \ - } - -#define mmx_r2m(op, reg, mem) \ - { \ - mmx_t mmx_trace; \ - __asm__ __volatile__ ("movq %%" #reg ", %0" \ - : "=X" (mmx_trace) \ - : /* nothing */ ); \ - fprintf(stderr, #op "_r2m(" #reg "=0x%016llx, ", mmx_trace.q); \ - mmx_trace = (mem); \ - fprintf(stderr, #mem "=0x%016llx) => ", mmx_trace.q); \ - __asm__ __volatile__ (#op " %%" #reg ", %0" \ - : "=X" (mem) \ - : /* nothing */ ); \ - mmx_trace = (mem); \ - fprintf(stderr, #mem "=0x%016llx\n", mmx_trace.q); \ - } - -#define mmx_r2r(op, regs, regd) \ - { \ - mmx_t mmx_trace; \ - __asm__ __volatile__ ("movq %%" #regs ", %0" \ - : "=X" (mmx_trace) \ - : /* nothing */ ); \ - fprintf(stderr, #op "_r2r(" #regs "=0x%016llx, ", mmx_trace.q); \ - __asm__ __volatile__ ("movq %%" #regd ", %0" \ - : "=X" (mmx_trace) \ - : /* nothing */ ); \ - fprintf(stderr, #regd "=0x%016llx) => ", mmx_trace.q); \ - __asm__ __volatile__ (#op " %" #regs ", %" #regd); \ - __asm__ __volatile__ ("movq %%" #regd ", %0" \ - : "=X" (mmx_trace) \ - : /* nothing */ ); \ - fprintf(stderr, #regd "=0x%016llx\n", mmx_trace.q); \ - } - -#define mmx_m2m(op, mems, memd) \ - { \ - mmx_t mmx_trace; \ - mmx_trace = (mems); \ - fprintf(stderr, #op "_m2m(" #mems "=0x%016llx, ", mmx_trace.q); \ - mmx_trace = (memd); \ - fprintf(stderr, #memd "=0x%016llx) => ", mmx_trace.q); \ - __asm__ __volatile__ ("movq %0, %%mm0\n\t" \ - #op " %1, %%mm0\n\t" \ - "movq %%mm0, %0" \ - : "=X" (memd) \ - : "X" (mems)); \ - mmx_trace = (memd); \ - fprintf(stderr, #memd "=0x%016llx\n", mmx_trace.q); \ - } - -#else - -/* These macros are a lot simpler without the tracing... -*/ - -#define mmx_i2r(op, imm, reg) \ - __asm__ __volatile__ (#op " $" #imm ", %%" #reg \ - : /* nothing */ \ - : /* nothing */); - -#define mmx_m2r(op, mem, reg) \ - __asm__ __volatile__ (#op " %0, %%" #reg \ - : /* nothing */ \ - : "X" (mem)) - -#define mmx_r2m(op, reg, mem) \ - __asm__ __volatile__ (#op " %%" #reg ", %0" \ - : "=X" (mem) \ - : /* nothing */ ) - -#define mmx_r2r(op, regs, regd) \ - __asm__ __volatile__ (#op " %" #regs ", %" #regd) - -#define mmx_m2m(op, mems, memd) \ - __asm__ __volatile__ ("movq %0, %%mm0\n\t" \ - #op " %1, %%mm0\n\t" \ - "movq %%mm0, %0" \ - : "=X" (memd) \ - : "X" (mems)) - -#endif - - -/* 1x64 MOVe Quadword - (this is both a load and a store... - in fact, it is the only way to store) -*/ -#define movq_m2r(var, reg) mmx_m2r(movq, var, reg) -#define movq_r2m(reg, var) mmx_r2m(movq, reg, var) -#define movq_r2r(regs, regd) mmx_r2r(movq, regs, regd) -#define movq(vars, vard) \ - __asm__ __volatile__ ("movq %1, %%mm0\n\t" \ - "movq %%mm0, %0" \ - : "=X" (vard) \ - : "X" (vars)) - - -/* 1x32 MOVe Doubleword - (like movq, this is both load and store... - but is most useful for moving things between - mmx registers and ordinary registers) -*/ -#define movd_m2r(var, reg) mmx_m2r(movd, var, reg) -#define movd_r2m(reg, var) mmx_r2m(movd, reg, var) -#define movd_r2r(regs, regd) mmx_r2r(movd, regs, regd) -#define movd(vars, vard) \ - __asm__ __volatile__ ("movd %1, %%mm0\n\t" \ - "movd %%mm0, %0" \ - : "=X" (vard) \ - : "X" (vars)) - - -/* 2x32, 4x16, and 8x8 Parallel ADDs -*/ -#define paddd_m2r(var, reg) mmx_m2r(paddd, var, reg) -#define paddd_r2r(regs, regd) mmx_r2r(paddd, regs, regd) -#define paddd(vars, vard) mmx_m2m(paddd, vars, vard) - -#define paddw_m2r(var, reg) mmx_m2r(paddw, var, reg) -#define paddw_r2r(regs, regd) mmx_r2r(paddw, regs, regd) -#define paddw(vars, vard) mmx_m2m(paddw, vars, vard) - -#define paddb_m2r(var, reg) mmx_m2r(paddb, var, reg) -#define paddb_r2r(regs, regd) mmx_r2r(paddb, regs, regd) -#define paddb(vars, vard) mmx_m2m(paddb, vars, vard) - - -/* 4x16 and 8x8 Parallel ADDs using Saturation arithmetic -*/ -#define paddsw_m2r(var, reg) mmx_m2r(paddsw, var, reg) -#define paddsw_r2r(regs, regd) mmx_r2r(paddsw, regs, regd) -#define paddsw(vars, vard) mmx_m2m(paddsw, vars, vard) - -#define paddsb_m2r(var, reg) mmx_m2r(paddsb, var, reg) -#define paddsb_r2r(regs, regd) mmx_r2r(paddsb, regs, regd) -#define paddsb(vars, vard) mmx_m2m(paddsb, vars, vard) - - -/* 4x16 and 8x8 Parallel ADDs using Unsigned Saturation arithmetic -*/ -#define paddusw_m2r(var, reg) mmx_m2r(paddusw, var, reg) -#define paddusw_r2r(regs, regd) mmx_r2r(paddusw, regs, regd) -#define paddusw(vars, vard) mmx_m2m(paddusw, vars, vard) - -#define paddusb_m2r(var, reg) mmx_m2r(paddusb, var, reg) -#define paddusb_r2r(regs, regd) mmx_r2r(paddusb, regs, regd) -#define paddusb(vars, vard) mmx_m2m(paddusb, vars, vard) - - -/* 2x32, 4x16, and 8x8 Parallel SUBs -*/ -#define psubd_m2r(var, reg) mmx_m2r(psubd, var, reg) -#define psubd_r2r(regs, regd) mmx_r2r(psubd, regs, regd) -#define psubd(vars, vard) mmx_m2m(psubd, vars, vard) - -#define psubw_m2r(var, reg) mmx_m2r(psubw, var, reg) -#define psubw_r2r(regs, regd) mmx_r2r(psubw, regs, regd) -#define psubw(vars, vard) mmx_m2m(psubw, vars, vard) - -#define psubb_m2r(var, reg) mmx_m2r(psubb, var, reg) -#define psubb_r2r(regs, regd) mmx_r2r(psubb, regs, regd) -#define psubb(vars, vard) mmx_m2m(psubb, vars, vard) - - -/* 4x16 and 8x8 Parallel SUBs using Saturation arithmetic -*/ -#define psubsw_m2r(var, reg) mmx_m2r(psubsw, var, reg) -#define psubsw_r2r(regs, regd) mmx_r2r(psubsw, regs, regd) -#define psubsw(vars, vard) mmx_m2m(psubsw, vars, vard) - -#define psubsb_m2r(var, reg) mmx_m2r(psubsb, var, reg) -#define psubsb_r2r(regs, regd) mmx_r2r(psubsb, regs, regd) -#define psubsb(vars, vard) mmx_m2m(psubsb, vars, vard) - - -/* 4x16 and 8x8 Parallel SUBs using Unsigned Saturation arithmetic -*/ -#define psubusw_m2r(var, reg) mmx_m2r(psubusw, var, reg) -#define psubusw_r2r(regs, regd) mmx_r2r(psubusw, regs, regd) -#define psubusw(vars, vard) mmx_m2m(psubusw, vars, vard) - -#define psubusb_m2r(var, reg) mmx_m2r(psubusb, var, reg) -#define psubusb_r2r(regs, regd) mmx_r2r(psubusb, regs, regd) -#define psubusb(vars, vard) mmx_m2m(psubusb, vars, vard) - - -/* 4x16 Parallel MULs giving Low 4x16 portions of results -*/ -#define pmullw_m2r(var, reg) mmx_m2r(pmullw, var, reg) -#define pmullw_r2r(regs, regd) mmx_r2r(pmullw, regs, regd) -#define pmullw(vars, vard) mmx_m2m(pmullw, vars, vard) - - -/* 4x16 Parallel MULs giving High 4x16 portions of results -*/ -#define pmulhw_m2r(var, reg) mmx_m2r(pmulhw, var, reg) -#define pmulhw_r2r(regs, regd) mmx_r2r(pmulhw, regs, regd) -#define pmulhw(vars, vard) mmx_m2m(pmulhw, vars, vard) - - -/* 4x16->2x32 Parallel Mul-ADD - (muls like pmullw, then adds adjacent 16-bit fields - in the multiply result to make the final 2x32 result) -*/ -#define pmaddwd_m2r(var, reg) mmx_m2r(pmaddwd, var, reg) -#define pmaddwd_r2r(regs, regd) mmx_r2r(pmaddwd, regs, regd) -#define pmaddwd(vars, vard) mmx_m2m(pmaddwd, vars, vard) - - -/* 1x64 bitwise AND -*/ -#ifdef BROKEN_PAND -#define pand_m2r(var, reg) \ - { \ - mmx_m2r(pandn, (mmx_t) -1LL, reg); \ - mmx_m2r(pandn, var, reg); \ - } -#define pand_r2r(regs, regd) \ - { \ - mmx_m2r(pandn, (mmx_t) -1LL, regd); \ - mmx_r2r(pandn, regs, regd) \ - } -#define pand(vars, vard) \ - { \ - movq_m2r(vard, mm0); \ - mmx_m2r(pandn, (mmx_t) -1LL, mm0); \ - mmx_m2r(pandn, vars, mm0); \ - movq_r2m(mm0, vard); \ - } -#else -#define pand_m2r(var, reg) mmx_m2r(pand, var, reg) -#define pand_r2r(regs, regd) mmx_r2r(pand, regs, regd) -#define pand(vars, vard) mmx_m2m(pand, vars, vard) -#endif - - -/* 1x64 bitwise AND with Not the destination -*/ -#define pandn_m2r(var, reg) mmx_m2r(pandn, var, reg) -#define pandn_r2r(regs, regd) mmx_r2r(pandn, regs, regd) -#define pandn(vars, vard) mmx_m2m(pandn, vars, vard) - - -/* 1x64 bitwise OR -*/ -#define por_m2r(var, reg) mmx_m2r(por, var, reg) -#define por_r2r(regs, regd) mmx_r2r(por, regs, regd) -#define por(vars, vard) mmx_m2m(por, vars, vard) - - -/* 1x64 bitwise eXclusive OR -*/ -#define pxor_m2r(var, reg) mmx_m2r(pxor, var, reg) -#define pxor_r2r(regs, regd) mmx_r2r(pxor, regs, regd) -#define pxor(vars, vard) mmx_m2m(pxor, vars, vard) - - -/* 2x32, 4x16, and 8x8 Parallel CoMPare for EQuality - (resulting fields are either 0 or -1) -*/ -#define pcmpeqd_m2r(var, reg) mmx_m2r(pcmpeqd, var, reg) -#define pcmpeqd_r2r(regs, regd) mmx_r2r(pcmpeqd, regs, regd) -#define pcmpeqd(vars, vard) mmx_m2m(pcmpeqd, vars, vard) - -#define pcmpeqw_m2r(var, reg) mmx_m2r(pcmpeqw, var, reg) -#define pcmpeqw_r2r(regs, regd) mmx_r2r(pcmpeqw, regs, regd) -#define pcmpeqw(vars, vard) mmx_m2m(pcmpeqw, vars, vard) - -#define pcmpeqb_m2r(var, reg) mmx_m2r(pcmpeqb, var, reg) -#define pcmpeqb_r2r(regs, regd) mmx_r2r(pcmpeqb, regs, regd) -#define pcmpeqb(vars, vard) mmx_m2m(pcmpeqb, vars, vard) - - -/* 2x32, 4x16, and 8x8 Parallel CoMPare for Greater Than - (resulting fields are either 0 or -1) -*/ -#define pcmpgtd_m2r(var, reg) mmx_m2r(pcmpgtd, var, reg) -#define pcmpgtd_r2r(regs, regd) mmx_r2r(pcmpgtd, regs, regd) -#define pcmpgtd(vars, vard) mmx_m2m(pcmpgtd, vars, vard) - -#define pcmpgtw_m2r(var, reg) mmx_m2r(pcmpgtw, var, reg) -#define pcmpgtw_r2r(regs, regd) mmx_r2r(pcmpgtw, regs, regd) -#define pcmpgtw(vars, vard) mmx_m2m(pcmpgtw, vars, vard) - -#define pcmpgtb_m2r(var, reg) mmx_m2r(pcmpgtb, var, reg) -#define pcmpgtb_r2r(regs, regd) mmx_r2r(pcmpgtb, regs, regd) -#define pcmpgtb(vars, vard) mmx_m2m(pcmpgtb, vars, vard) - - -/* 1x64, 2x32, and 4x16 Parallel Shift Left Logical -*/ -#define psllq_i2r(imm, reg) mmx_i2r(psllq, imm, reg) -#define psllq_m2r(var, reg) mmx_m2r(psllq, var, reg) -#define psllq_r2r(regs, regd) mmx_r2r(psllq, regs, regd) -#define psllq(vars, vard) mmx_m2m(psllq, vars, vard) - -#define pslld_i2r(imm, reg) mmx_i2r(pslld, imm, reg) -#define pslld_m2r(var, reg) mmx_m2r(pslld, var, reg) -#define pslld_r2r(regs, regd) mmx_r2r(pslld, regs, regd) -#define pslld(vars, vard) mmx_m2m(pslld, vars, vard) - -#define psllw_i2r(imm, reg) mmx_i2r(psllw, imm, reg) -#define psllw_m2r(var, reg) mmx_m2r(psllw, var, reg) -#define psllw_r2r(regs, regd) mmx_r2r(psllw, regs, regd) -#define psllw(vars, vard) mmx_m2m(psllw, vars, vard) - - -/* 1x64, 2x32, and 4x16 Parallel Shift Right Logical -*/ -#define psrlq_i2r(imm, reg) mmx_i2r(psrlq, imm, reg) -#define psrlq_m2r(var, reg) mmx_m2r(psrlq, var, reg) -#define psrlq_r2r(regs, regd) mmx_r2r(psrlq, regs, regd) -#define psrlq(vars, vard) mmx_m2m(psrlq, vars, vard) - -#define psrld_i2r(imm, reg) mmx_i2r(psrld, imm, reg) -#define psrld_m2r(var, reg) mmx_m2r(psrld, var, reg) -#define psrld_r2r(regs, regd) mmx_r2r(psrld, regs, regd) -#define psrld(vars, vard) mmx_m2m(psrld, vars, vard) - -#define psrlw_i2r(imm, reg) mmx_i2r(psrlw, imm, reg) -#define psrlw_m2r(var, reg) mmx_m2r(psrlw, var, reg) -#define psrlw_r2r(regs, regd) mmx_r2r(psrlw, regs, regd) -#define psrlw(vars, vard) mmx_m2m(psrlw, vars, vard) - - -/* 2x32 and 4x16 Parallel Shift Right Arithmetic -*/ -#define psrad_i2r(imm, reg) mmx_i2r(psrad, imm, reg) -#define psrad_m2r(var, reg) mmx_m2r(psrad, var, reg) -#define psrad_r2r(regs, regd) mmx_r2r(psrad, regs, regd) -#define psrad(vars, vard) mmx_m2m(psrad, vars, vard) - -#define psraw_i2r(imm, reg) mmx_i2r(psraw, imm, reg) -#define psraw_m2r(var, reg) mmx_m2r(psraw, var, reg) -#define psraw_r2r(regs, regd) mmx_r2r(psraw, regs, regd) -#define psraw(vars, vard) mmx_m2m(psraw, vars, vard) - - -/* 2x32->4x16 and 4x16->8x8 PACK and Signed Saturate - (packs source and dest fields into dest in that order) -*/ -#define packssdw_m2r(var, reg) mmx_m2r(packssdw, var, reg) -#define packssdw_r2r(regs, regd) mmx_r2r(packssdw, regs, regd) -#define packssdw(vars, vard) mmx_m2m(packssdw, vars, vard) - -#define packsswb_m2r(var, reg) mmx_m2r(packsswb, var, reg) -#define packsswb_r2r(regs, regd) mmx_r2r(packsswb, regs, regd) -#define packsswb(vars, vard) mmx_m2m(packsswb, vars, vard) - - -/* 4x16->8x8 PACK and Unsigned Saturate - (packs source and dest fields into dest in that order) -*/ -#define packuswb_m2r(var, reg) mmx_m2r(packuswb, var, reg) -#define packuswb_r2r(regs, regd) mmx_r2r(packuswb, regs, regd) -#define packuswb(vars, vard) mmx_m2m(packuswb, vars, vard) - - -/* 2x32->1x64, 4x16->2x32, and 8x8->4x16 UNPaCK Low - (interleaves low half of dest with low half of source - as padding in each result field) -*/ -#define punpckldq_m2r(var, reg) mmx_m2r(punpckldq, var, reg) -#define punpckldq_r2r(regs, regd) mmx_r2r(punpckldq, regs, regd) -#define punpckldq(vars, vard) mmx_m2m(punpckldq, vars, vard) - -#define punpcklwd_m2r(var, reg) mmx_m2r(punpcklwd, var, reg) -#define punpcklwd_r2r(regs, regd) mmx_r2r(punpcklwd, regs, regd) -#define punpcklwd(vars, vard) mmx_m2m(punpcklwd, vars, vard) - -#define punpcklbw_m2r(var, reg) mmx_m2r(punpcklbw, var, reg) -#define punpcklbw_r2r(regs, regd) mmx_r2r(punpcklbw, regs, regd) -#define punpcklbw(vars, vard) mmx_m2m(punpcklbw, vars, vard) - - -/* 2x32->1x64, 4x16->2x32, and 8x8->4x16 UNPaCK High - (interleaves high half of dest with high half of source - as padding in each result field) -*/ -#define punpckhdq_m2r(var, reg) mmx_m2r(punpckhdq, var, reg) -#define punpckhdq_r2r(regs, regd) mmx_r2r(punpckhdq, regs, regd) -#define punpckhdq(vars, vard) mmx_m2m(punpckhdq, vars, vard) - -#define punpckhwd_m2r(var, reg) mmx_m2r(punpckhwd, var, reg) -#define punpckhwd_r2r(regs, regd) mmx_r2r(punpckhwd, regs, regd) -#define punpckhwd(vars, vard) mmx_m2m(punpckhwd, vars, vard) - -#define punpckhbw_m2r(var, reg) mmx_m2r(punpckhbw, var, reg) -#define punpckhbw_r2r(regs, regd) mmx_r2r(punpckhbw, regs, regd) -#define punpckhbw(vars, vard) mmx_m2m(punpckhbw, vars, vard) - - -/* Empty MMx State - (used to clean-up when going from mmx to float use - of the registers that are shared by both; note that - there is no float-to-mmx operation needed, because - only the float tag word info is corruptible) -*/ -#ifdef MMX_TRACE - -#define emms() \ - { \ - fprintf(stderr, "emms()\n"); \ - __asm__ __volatile__ ("emms"); \ - } - -#else - -#define emms() __asm__ __volatile__ ("emms") - -#endif - -#endif - |