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Diffstat (limited to 'distrib/sdl-1.2.15/src/video/mmx.h')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/mmx.h | 704 |
1 files changed, 704 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/mmx.h b/distrib/sdl-1.2.15/src/video/mmx.h new file mode 100644 index 0000000..dcee7b0 --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/mmx.h @@ -0,0 +1,704 @@ +/* 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. + + 1997-99 by H. Dietz and R. Fisher + + Notes: + It appears that the latest gas has the pand problem fixed, therefore + I'll undefine BROKEN_PAND by default. +*/ + +#ifndef _MMX_H +#define _MMX_H + + +/* 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 */ +} __attribute__ ((aligned (8))) mmx_t; /* On an 8-byte (64-bit) boundary */ + + +#if 0 +/* Function to test if multimedia instructions are supported... +*/ +inline extern int +mm_support(void) +{ + /* Returns 1 if MMX instructions are supported, + 3 if Cyrix MMX and Extended MMX instructions are supported + 5 if AMD MMX and 3DNow! instructions are supported + 0 if hardware does not support any of these + */ + register int rval = 0; + + __asm__ __volatile__ ( + /* See if CPUID instruction is supported ... */ + /* ... Get copies of EFLAGS into eax and ecx */ + "pushf\n\t" + "popl %%eax\n\t" + "movl %%eax, %%ecx\n\t" + + /* ... Toggle the ID bit in one copy and store */ + /* to the EFLAGS reg */ + "xorl $0x200000, %%eax\n\t" + "push %%eax\n\t" + "popf\n\t" + + /* ... Get the (hopefully modified) EFLAGS */ + "pushf\n\t" + "popl %%eax\n\t" + + /* ... Compare and test result */ + "xorl %%eax, %%ecx\n\t" + "testl $0x200000, %%ecx\n\t" + "jz NotSupported1\n\t" /* CPUID not supported */ + + + /* Get standard CPUID information, and + go to a specific vendor section */ + "movl $0, %%eax\n\t" + "cpuid\n\t" + + /* Check for Intel */ + "cmpl $0x756e6547, %%ebx\n\t" + "jne TryAMD\n\t" + "cmpl $0x49656e69, %%edx\n\t" + "jne TryAMD\n\t" + "cmpl $0x6c65746e, %%ecx\n" + "jne TryAMD\n\t" + "jmp Intel\n\t" + + /* Check for AMD */ + "\nTryAMD:\n\t" + "cmpl $0x68747541, %%ebx\n\t" + "jne TryCyrix\n\t" + "cmpl $0x69746e65, %%edx\n\t" + "jne TryCyrix\n\t" + "cmpl $0x444d4163, %%ecx\n" + "jne TryCyrix\n\t" + "jmp AMD\n\t" + + /* Check for Cyrix */ + "\nTryCyrix:\n\t" + "cmpl $0x69727943, %%ebx\n\t" + "jne NotSupported2\n\t" + "cmpl $0x736e4978, %%edx\n\t" + "jne NotSupported3\n\t" + "cmpl $0x64616574, %%ecx\n\t" + "jne NotSupported4\n\t" + /* Drop through to Cyrix... */ + + + /* Cyrix Section */ + /* See if extended CPUID level 80000001 is supported */ + /* The value of CPUID/80000001 for the 6x86MX is undefined + according to the Cyrix CPU Detection Guide (Preliminary + Rev. 1.01 table 1), so we'll check the value of eax for + CPUID/0 to see if standard CPUID level 2 is supported. + According to the table, the only CPU which supports level + 2 is also the only one which supports extended CPUID levels. + */ + "cmpl $0x2, %%eax\n\t" + "jne MMXtest\n\t" /* Use standard CPUID instead */ + + /* Extended CPUID supported (in theory), so get extended + features */ + "movl $0x80000001, %%eax\n\t" + "cpuid\n\t" + "testl $0x00800000, %%eax\n\t" /* Test for MMX */ + "jz NotSupported5\n\t" /* MMX not supported */ + "testl $0x01000000, %%eax\n\t" /* Test for Ext'd MMX */ + "jnz EMMXSupported\n\t" + "movl $1, %0:\n\n\t" /* MMX Supported */ + "jmp Return\n\n" + "EMMXSupported:\n\t" + "movl $3, %0:\n\n\t" /* EMMX and MMX Supported */ + "jmp Return\n\t" + + + /* AMD Section */ + "AMD:\n\t" + + /* See if extended CPUID is supported */ + "movl $0x80000000, %%eax\n\t" + "cpuid\n\t" + "cmpl $0x80000000, %%eax\n\t" + "jl MMXtest\n\t" /* Use standard CPUID instead */ + + /* Extended CPUID supported, so get extended features */ + "movl $0x80000001, %%eax\n\t" + "cpuid\n\t" + "testl $0x00800000, %%edx\n\t" /* Test for MMX */ + "jz NotSupported6\n\t" /* MMX not supported */ + "testl $0x80000000, %%edx\n\t" /* Test for 3DNow! */ + "jnz ThreeDNowSupported\n\t" + "movl $1, %0:\n\n\t" /* MMX Supported */ + "jmp Return\n\n" + "ThreeDNowSupported:\n\t" + "movl $5, %0:\n\n\t" /* 3DNow! and MMX Supported */ + "jmp Return\n\t" + + + /* Intel Section */ + "Intel:\n\t" + + /* Check for MMX */ + "MMXtest:\n\t" + "movl $1, %%eax\n\t" + "cpuid\n\t" + "testl $0x00800000, %%edx\n\t" /* Test for MMX */ + "jz NotSupported7\n\t" /* MMX Not supported */ + "movl $1, %0:\n\n\t" /* MMX Supported */ + "jmp Return\n\t" + + /* Nothing supported */ + "\nNotSupported1:\n\t" + "#movl $101, %0:\n\n\t" + "\nNotSupported2:\n\t" + "#movl $102, %0:\n\n\t" + "\nNotSupported3:\n\t" + "#movl $103, %0:\n\n\t" + "\nNotSupported4:\n\t" + "#movl $104, %0:\n\n\t" + "\nNotSupported5:\n\t" + "#movl $105, %0:\n\n\t" + "\nNotSupported6:\n\t" + "#movl $106, %0:\n\n\t" + "\nNotSupported7:\n\t" + "#movl $107, %0:\n\n\t" + "movl $0, %0:\n\n\t" + + "Return:\n\t" + : "=a" (rval) + : /* no input */ + : "eax", "ebx", "ecx", "edx" + ); + + /* Return */ + return(rval); +} + +/* Function to test if mmx instructions are supported... +*/ +inline extern int +mmx_ok(void) +{ + /* Returns 1 if MMX instructions are supported, 0 otherwise */ + return ( mm_support() & 0x1 ); +} +#endif + +/* 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... +*/ + +#define mmx_i2r(op, imm, reg) \ + { \ + mmx_t mmx_trace; \ + mmx_trace.uq = (imm); \ + printf(#op "_i2r(" #imm "=0x%08x%08x, ", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + __asm__ __volatile__ ("movq %%" #reg ", %0" \ + : "=y" (mmx_trace) \ + : /* nothing */ ); \ + printf(#reg "=0x%08x%08x) => ", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + __asm__ __volatile__ (#op " %0, %%" #reg \ + : /* nothing */ \ + : "y" (imm)); \ + __asm__ __volatile__ ("movq %%" #reg ", %0" \ + : "=y" (mmx_trace) \ + : /* nothing */ ); \ + printf(#reg "=0x%08x%08x\n", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + } + +#define mmx_m2r(op, mem, reg) \ + { \ + mmx_t mmx_trace; \ + mmx_trace = (mem); \ + printf(#op "_m2r(" #mem "=0x%08x%08x, ", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + __asm__ __volatile__ ("movq %%" #reg ", %0" \ + : "=y" (mmx_trace) \ + : /* nothing */ ); \ + printf(#reg "=0x%08x%08x) => ", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + __asm__ __volatile__ (#op " %0, %%" #reg \ + : /* nothing */ \ + : "y" (mem)); \ + __asm__ __volatile__ ("movq %%" #reg ", %0" \ + : "=y" (mmx_trace) \ + : /* nothing */ ); \ + printf(#reg "=0x%08x%08x\n", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + } + +#define mmx_r2m(op, reg, mem) \ + { \ + mmx_t mmx_trace; \ + __asm__ __volatile__ ("movq %%" #reg ", %0" \ + : "=y" (mmx_trace) \ + : /* nothing */ ); \ + printf(#op "_r2m(" #reg "=0x%08x%08x, ", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + mmx_trace = (mem); \ + printf(#mem "=0x%08x%08x) => ", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + __asm__ __volatile__ (#op " %%" #reg ", %0" \ + : "=y" (mem) \ + : /* nothing */ ); \ + mmx_trace = (mem); \ + printf(#mem "=0x%08x%08x\n", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + } + +#define mmx_r2r(op, regs, regd) \ + { \ + mmx_t mmx_trace; \ + __asm__ __volatile__ ("movq %%" #regs ", %0" \ + : "=y" (mmx_trace) \ + : /* nothing */ ); \ + printf(#op "_r2r(" #regs "=0x%08x%08x, ", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + __asm__ __volatile__ ("movq %%" #regd ", %0" \ + : "=y" (mmx_trace) \ + : /* nothing */ ); \ + printf(#regd "=0x%08x%08x) => ", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + __asm__ __volatile__ (#op " %" #regs ", %" #regd); \ + __asm__ __volatile__ ("movq %%" #regd ", %0" \ + : "=y" (mmx_trace) \ + : /* nothing */ ); \ + printf(#regd "=0x%08x%08x\n", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + } + +#define mmx_m2m(op, mems, memd) \ + { \ + mmx_t mmx_trace; \ + mmx_trace = (mems); \ + printf(#op "_m2m(" #mems "=0x%08x%08x, ", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + mmx_trace = (memd); \ + printf(#memd "=0x%08x%08x) => ", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + __asm__ __volatile__ ("movq %0, %%mm0\n\t" \ + #op " %1, %%mm0\n\t" \ + "movq %%mm0, %0" \ + : "=y" (memd) \ + : "y" (mems)); \ + mmx_trace = (memd); \ + printf(#memd "=0x%08x%08x\n", \ + mmx_trace.d[1], mmx_trace.d[0]); \ + } + +#else + +/* These macros are a lot simpler without the tracing... +*/ + +#define mmx_i2r(op, imm, reg) \ + __asm__ __volatile__ (#op " %0, %%" #reg \ + : /* nothing */ \ + : "y" (imm) ) + +#define mmx_m2r(op, mem, reg) \ + __asm__ __volatile__ (#op " %0, %%" #reg \ + : /* nothing */ \ + : "m" (mem)) + +#define mmx_r2m(op, reg, mem) \ + __asm__ __volatile__ (#op " %%" #reg ", %0" \ + : "=m" (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" \ + : "=y" (memd) \ + : "y" (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" \ + : "=y" (vard) \ + : "y" (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" \ + : "=y" (vard) \ + : "y" (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() \ + { \ + printf("emms()\n"); \ + __asm__ __volatile__ ("emms"); \ + } + +#else + +#define emms() __asm__ __volatile__ ("emms") + +#endif + +#endif + |