diff options
Diffstat (limited to 'src/gallium/auxiliary/rtasm/rtasm_x86sse.c')
-rw-r--r-- | src/gallium/auxiliary/rtasm/rtasm_x86sse.c | 499 |
1 files changed, 470 insertions, 29 deletions
diff --git a/src/gallium/auxiliary/rtasm/rtasm_x86sse.c b/src/gallium/auxiliary/rtasm/rtasm_x86sse.c index 9f70b73698a..75b0f6a68ea 100644 --- a/src/gallium/auxiliary/rtasm/rtasm_x86sse.c +++ b/src/gallium/auxiliary/rtasm/rtasm_x86sse.c @@ -22,8 +22,9 @@ **************************************************************************/ #include "pipe/p_config.h" +#include "util/u_cpu_detect.h" -#if defined(PIPE_ARCH_X86) +#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) #include "pipe/p_compiler.h" #include "util/u_debug.h" @@ -231,6 +232,10 @@ static void emit_modrm( struct x86_function *p, assert(reg.mod == mod_REG); + /* TODO: support extended x86-64 registers */ + assert(reg.idx < 8); + assert(regmem.idx < 8); + val |= regmem.mod << 6; /* mod field */ val |= reg.idx << 3; /* reg field */ val |= regmem.idx; /* r/m field */ @@ -363,6 +368,12 @@ int x86_get_label( struct x86_function *p ) */ +void x64_rexw(struct x86_function *p) +{ + if(x86_target(p) != X86_32) + emit_1ub(p, 0x48); +} + void x86_jcc( struct x86_function *p, enum x86_cc cc, int label ) @@ -449,6 +460,52 @@ void x86_mov_reg_imm( struct x86_function *p, struct x86_reg dst, int imm ) emit_1i(p, imm); } +void x86_mov_imm( struct x86_function *p, struct x86_reg dst, int imm ) +{ + DUMP_RI( dst, imm ); + if(dst.mod == mod_REG) + x86_mov_reg_imm(p, dst, imm); + else + { + emit_1ub(p, 0xc7); + emit_modrm_noreg(p, 0, dst); + emit_1i(p, imm); + } +} + +void x86_mov16_imm( struct x86_function *p, struct x86_reg dst, uint16_t imm ) +{ + DUMP_RI( dst, imm ); + emit_1ub(p, 0x66); + if(dst.mod == mod_REG) + { + emit_1ub(p, 0xb8 + dst.idx); + emit_2ub(p, imm & 0xff, imm >> 8); + } + else + { + emit_1ub(p, 0xc7); + emit_modrm_noreg(p, 0, dst); + emit_2ub(p, imm & 0xff, imm >> 8); + } +} + +void x86_mov8_imm( struct x86_function *p, struct x86_reg dst, uint8_t imm ) +{ + DUMP_RI( dst, imm ); + if(dst.mod == mod_REG) + { + emit_1ub(p, 0xb0 + dst.idx); + emit_1ub(p, imm); + } + else + { + emit_1ub(p, 0xc6); + emit_modrm_noreg(p, 0, dst); + emit_1ub(p, imm); + } +} + /** * Immediate group 1 instructions. */ @@ -520,7 +577,7 @@ void x86_push( struct x86_function *p, } - p->stack_offset += 4; + p->stack_offset += sizeof(void*); } void x86_push_imm32( struct x86_function *p, @@ -530,7 +587,7 @@ void x86_push_imm32( struct x86_function *p, emit_1ub(p, 0x68); emit_1i(p, imm32); - p->stack_offset += 4; + p->stack_offset += sizeof(void*); } @@ -540,23 +597,33 @@ void x86_pop( struct x86_function *p, DUMP_R( reg ); assert(reg.mod == mod_REG); emit_1ub(p, 0x58 + reg.idx); - p->stack_offset -= 4; + p->stack_offset -= sizeof(void*); } void x86_inc( struct x86_function *p, struct x86_reg reg ) { DUMP_R( reg ); - assert(reg.mod == mod_REG); - emit_1ub(p, 0x40 + reg.idx); + if(x86_target(p) == X86_32 && reg.mod == mod_REG) + { + emit_1ub(p, 0x40 + reg.idx); + return; + } + emit_1ub(p, 0xff); + emit_modrm_noreg(p, 0, reg); } void x86_dec( struct x86_function *p, struct x86_reg reg ) { DUMP_R( reg ); - assert(reg.mod == mod_REG); - emit_1ub(p, 0x48 + reg.idx); + if(x86_target(p) == X86_32 && reg.mod == mod_REG) + { + emit_1ub(p, 0x48 + reg.idx); + return; + } + emit_1ub(p, 0xff); + emit_modrm_noreg(p, 1, reg); } void x86_ret( struct x86_function *p ) @@ -583,9 +650,82 @@ void x86_mov( struct x86_function *p, struct x86_reg src ) { DUMP_RR( dst, src ); + /* special hack for reading arguments until we support x86-64 registers everywhere */ + if(src.mod == mod_REG && dst.mod == mod_REG && (src.idx >= 8 || dst.idx >= 8)) + { + uint8_t rex = 0x40; + if(dst.idx >= 8) + { + rex |= 4; + dst.idx -= 8; + } + if(src.idx >= 8) + { + rex |= 1; + src.idx -= 8; + } + emit_1ub(p, rex); + } + emit_op_modrm( p, 0x8b, 0x89, dst, src ); +} + +void x86_mov16( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + DUMP_RR( dst, src ); + emit_1ub(p, 0x66); + emit_op_modrm( p, 0x8b, 0x89, dst, src ); +} + +void x86_mov8( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + DUMP_RR( dst, src ); + emit_op_modrm( p, 0x8a, 0x88, dst, src ); +} + +void x64_mov64( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + uint8_t rex = 0x48; + DUMP_RR( dst, src ); + assert(x86_target(p) != X86_32); + + /* special hack for reading arguments until we support x86-64 registers everywhere */ + if(src.mod == mod_REG && dst.mod == mod_REG && (src.idx >= 8 || dst.idx >= 8)) + { + if(dst.idx >= 8) + { + rex |= 4; + dst.idx -= 8; + } + if(src.idx >= 8) + { + rex |= 1; + src.idx -= 8; + } + } + emit_1ub(p, rex); emit_op_modrm( p, 0x8b, 0x89, dst, src ); } +void x86_movzx8(struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR( dst, src ); + emit_2ub(p, 0x0f, 0xb6); + emit_modrm(p, dst, src); +} + +void x86_movzx16(struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR( dst, src ); + emit_2ub(p, 0x0f, 0xb7); + emit_modrm(p, dst, src); +} + void x86_xor( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) @@ -680,6 +820,61 @@ void x86_div( struct x86_function *p, emit_op_modrm(p, 0xf7, 0, x86_make_reg(file_REG32, 6), src); } +void x86_bswap( struct x86_function *p, struct x86_reg reg ) +{ + DUMP_R(reg); + assert(reg.file == file_REG32); + assert(reg.mod == mod_REG); + emit_2ub(p, 0x0f, 0xc8 + reg.idx); +} + +void x86_shr_imm( struct x86_function *p, struct x86_reg reg, unsigned imm ) +{ + DUMP_RI(reg, imm); + if(imm == 1) + { + emit_1ub(p, 0xd1); + emit_modrm_noreg(p, 5, reg); + } + else + { + emit_1ub(p, 0xc1); + emit_modrm_noreg(p, 5, reg); + emit_1ub(p, imm); + } +} + +void x86_sar_imm( struct x86_function *p, struct x86_reg reg, unsigned imm ) +{ + DUMP_RI(reg, imm); + if(imm == 1) + { + emit_1ub(p, 0xd1); + emit_modrm_noreg(p, 7, reg); + } + else + { + emit_1ub(p, 0xc1); + emit_modrm_noreg(p, 7, reg); + emit_1ub(p, imm); + } +} + +void x86_shl_imm( struct x86_function *p, struct x86_reg reg, unsigned imm ) +{ + DUMP_RI(reg, imm); + if(imm == 1) + { + emit_1ub(p, 0xd1); + emit_modrm_noreg(p, 4, reg); + } + else + { + emit_1ub(p, 0xc1); + emit_modrm_noreg(p, 4, reg); + emit_1ub(p, imm); + } +} /*********************************************************************** @@ -1013,6 +1208,77 @@ void sse_movmskps( struct x86_function *p, * SSE2 instructions */ +void sse2_movd( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR(dst, src); + emit_2ub(p, 0x66, 0x0f); + if(dst.mod == mod_REG && dst.file == file_REG32) + { + emit_1ub(p, 0x7e); + emit_modrm(p, src, dst); + } + else + { + emit_op_modrm(p, 0x6e, 0x7e, dst, src); + } +} + +void sse2_movq( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR(dst, src); + switch (dst.mod) { + case mod_REG: + emit_3ub(p, 0xf3, 0x0f, 0x7e); + emit_modrm(p, dst, src); + break; + case mod_INDIRECT: + case mod_DISP32: + case mod_DISP8: + assert(src.mod == mod_REG); + emit_3ub(p, 0x66, 0x0f, 0xd6); + emit_modrm(p, src, dst); + break; + default: + assert(0); + break; + } +} + +void sse2_movdqu( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR(dst, src); + emit_2ub(p, 0xf3, 0x0f); + emit_op_modrm(p, 0x6f, 0x7f, dst, src); +} + +void sse2_movdqa( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR(dst, src); + emit_2ub(p, 0x66, 0x0f); + emit_op_modrm(p, 0x6f, 0x7f, dst, src); +} + +void sse2_movsd( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR(dst, src); + emit_2ub(p, 0xf2, 0x0f); + emit_op_modrm(p, 0x10, 0x11, dst, src); +} + +void sse2_movupd( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR(dst, src); + emit_2ub(p, 0x66, 0x0f); + emit_op_modrm(p, 0x10, 0x11, dst, src); +} + +void sse2_movapd( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR(dst, src); + emit_2ub(p, 0x66, 0x0f); + emit_op_modrm(p, 0x28, 0x29, dst, src); +} + /** * Perform a reduced swizzle: */ @@ -1027,6 +1293,28 @@ void sse2_pshufd( struct x86_function *p, emit_1ub(p, shuf); } +void sse2_pshuflw( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src, + unsigned char shuf) +{ + DUMP_RRI( dst, src, shuf ); + emit_3ub(p, 0xf2, X86_TWOB, 0x70); + emit_modrm(p, dst, src); + emit_1ub(p, shuf); +} + +void sse2_pshufhw( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src, + unsigned char shuf) +{ + DUMP_RRI( dst, src, shuf ); + emit_3ub(p, 0xf3, X86_TWOB, 0x70); + emit_modrm(p, dst, src); + emit_1ub(p, shuf); +} + void sse2_cvttps2dq( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) @@ -1045,6 +1333,24 @@ void sse2_cvtps2dq( struct x86_function *p, emit_modrm( p, dst, src ); } +void sse2_cvtsd2ss( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + DUMP_RR( dst, src ); + emit_3ub(p, 0xf2, 0x0f, 0x5a); + emit_modrm( p, dst, src ); +} + +void sse2_cvtpd2ps( struct x86_function *p, + struct x86_reg dst, + struct x86_reg src ) +{ + DUMP_RR( dst, src ); + emit_3ub(p, 0x66, 0x0f, 0x5a); + emit_modrm( p, dst, src ); +} + void sse2_packssdw( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) @@ -1081,6 +1387,97 @@ void sse2_punpcklbw( struct x86_function *p, emit_modrm( p, dst, src ); } +void sse2_punpcklwd( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR( dst, src ); + emit_3ub(p, 0x66, 0x0f, 0x61); + emit_modrm( p, dst, src ); +} + +void sse2_punpckldq( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR( dst, src ); + emit_3ub(p, 0x66, 0x0f, 0x62); + emit_modrm( p, dst, src ); +} + +void sse2_punpcklqdq( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR( dst, src ); + emit_3ub(p, 0x66, 0x0f, 0x6c); + emit_modrm( p, dst, src ); +} + +void sse2_psllw_imm( struct x86_function *p, struct x86_reg dst, unsigned imm ) +{ + DUMP_RI(dst, imm); + emit_3ub(p, 0x66, 0x0f, 0x71); + emit_modrm_noreg(p, 6, dst); + emit_1ub(p, imm); +} + +void sse2_pslld_imm( struct x86_function *p, struct x86_reg dst, unsigned imm ) +{ + DUMP_RI(dst, imm); + emit_3ub(p, 0x66, 0x0f, 0x72); + emit_modrm_noreg(p, 6, dst); + emit_1ub(p, imm); +} + +void sse2_psllq_imm( struct x86_function *p, struct x86_reg dst, unsigned imm ) +{ + DUMP_RI(dst, imm); + emit_3ub(p, 0x66, 0x0f, 0x73); + emit_modrm_noreg(p, 6, dst); + emit_1ub(p, imm); +} + +void sse2_psrlw_imm( struct x86_function *p, struct x86_reg dst, unsigned imm ) +{ + DUMP_RI(dst, imm); + emit_3ub(p, 0x66, 0x0f, 0x71); + emit_modrm_noreg(p, 2, dst); + emit_1ub(p, imm); +} + +void sse2_psrld_imm( struct x86_function *p, struct x86_reg dst, unsigned imm ) +{ + DUMP_RI(dst, imm); + emit_3ub(p, 0x66, 0x0f, 0x72); + emit_modrm_noreg(p, 2, dst); + emit_1ub(p, imm); +} + +void sse2_psrlq_imm( struct x86_function *p, struct x86_reg dst, unsigned imm ) +{ + DUMP_RI(dst, imm); + emit_3ub(p, 0x66, 0x0f, 0x73); + emit_modrm_noreg(p, 2, dst); + emit_1ub(p, imm); +} + +void sse2_psraw_imm( struct x86_function *p, struct x86_reg dst, unsigned imm ) +{ + DUMP_RI(dst, imm); + emit_3ub(p, 0x66, 0x0f, 0x71); + emit_modrm_noreg(p, 4, dst); + emit_1ub(p, imm); +} + +void sse2_psrad_imm( struct x86_function *p, struct x86_reg dst, unsigned imm ) +{ + DUMP_RI(dst, imm); + emit_3ub(p, 0x66, 0x0f, 0x72); + emit_modrm_noreg(p, 4, dst); + emit_1ub(p, imm); +} + +void sse2_por( struct x86_function *p, struct x86_reg dst, struct x86_reg src ) +{ + DUMP_RR(dst, src); + emit_3ub(p, 0x66, 0x0f, 0xeb); + emit_modrm(p, dst, src); +} void sse2_rcpps( struct x86_function *p, struct x86_reg dst, @@ -1100,18 +1497,6 @@ void sse2_rcpss( struct x86_function *p, emit_modrm( p, dst, src ); } -void sse2_movd( struct x86_function *p, - struct x86_reg dst, - struct x86_reg src ) -{ - DUMP_RR( dst, src ); - emit_2ub(p, 0x66, X86_TWOB); - emit_op_modrm( p, 0x6e, 0x7e, dst, src ); -} - - - - /*********************************************************************** * x87 instructions */ @@ -1702,23 +2087,80 @@ void x86_cdecl_caller_pop_regs( struct x86_function *p ) } -/* Retreive a reference to one of the function arguments, taking into - * account any push/pop activity: - */ struct x86_reg x86_fn_arg( struct x86_function *p, - unsigned arg ) + unsigned arg ) { - return x86_make_disp(x86_make_reg(file_REG32, reg_SP), + switch(x86_target(p)) + { + case X86_64_WIN64_ABI: + /* Microsoft uses a different calling convention than the rest of the world */ + switch(arg) + { + case 1: + return x86_make_reg(file_REG32, reg_CX); + case 2: + return x86_make_reg(file_REG32, reg_DX); + case 3: + return x86_make_reg(file_REG32, reg_R8); + case 4: + return x86_make_reg(file_REG32, reg_R9); + default: + /* Win64 allocates stack slots as if it pushed the first 4 arguments too */ + return x86_make_disp(x86_make_reg(file_REG32, reg_SP), + p->stack_offset + arg * 8); + } + case X86_64_STD_ABI: + switch(arg) + { + case 1: + return x86_make_reg(file_REG32, reg_DI); + case 2: + return x86_make_reg(file_REG32, reg_SI); + case 3: + return x86_make_reg(file_REG32, reg_DX); + case 4: + return x86_make_reg(file_REG32, reg_CX); + case 5: + return x86_make_reg(file_REG32, reg_R8); + case 6: + return x86_make_reg(file_REG32, reg_R9); + default: + return x86_make_disp(x86_make_reg(file_REG32, reg_SP), + p->stack_offset + (arg - 6) * 8); /* ??? */ + } + case X86_32: + return x86_make_disp(x86_make_reg(file_REG32, reg_SP), p->stack_offset + arg * 4); /* ??? */ + default: + abort(); + } } +static void x86_init_func_common( struct x86_function *p ) +{ + util_cpu_detect(); + p->caps = 0; + if(util_cpu_caps.has_mmx) + p->caps |= X86_MMX; + if(util_cpu_caps.has_mmx2) + p->caps |= X86_MMX2; + if(util_cpu_caps.has_sse) + p->caps |= X86_SSE; + if(util_cpu_caps.has_sse2) + p->caps |= X86_SSE2; + if(util_cpu_caps.has_sse3) + p->caps |= X86_SSE3; + if(util_cpu_caps.has_sse4_1) + p->caps |= X86_SSE4_1; + p->csr = p->store; + DUMP_START(); +} void x86_init_func( struct x86_function *p ) { p->size = 0; p->store = NULL; - p->csr = p->store; - DUMP_START(); + x86_init_func_common(p); } void x86_init_func_size( struct x86_function *p, unsigned code_size ) @@ -1728,8 +2170,7 @@ void x86_init_func_size( struct x86_function *p, unsigned code_size ) if (p->store == NULL) { p->store = p->error_overflow; } - p->csr = p->store; - DUMP_START(); + x86_init_func_common(p); } void x86_release_func( struct x86_function *p ) |