diff options
Diffstat (limited to 'src/gallium/auxiliary/rtasm/rtasm_ppc.c')
-rw-r--r-- | src/gallium/auxiliary/rtasm/rtasm_ppc.c | 1077 |
1 files changed, 0 insertions, 1077 deletions
diff --git a/src/gallium/auxiliary/rtasm/rtasm_ppc.c b/src/gallium/auxiliary/rtasm/rtasm_ppc.c deleted file mode 100644 index 330838d23cf..00000000000 --- a/src/gallium/auxiliary/rtasm/rtasm_ppc.c +++ /dev/null @@ -1,1077 +0,0 @@ -/************************************************************************** - * - * Copyright (C) 2008 Tungsten Graphics, Inc. All Rights Reserved. - * Copyright (C) 2009 VMware, Inc. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -/** - * PPC code generation. - * For reference, see http://www.power.org/resources/reading/PowerISA_V2.05.pdf - * ABI info: http://www.cs.utsa.edu/~whaley/teach/cs6463FHPO/LEC/lec12_ho.pdf - * - * Other PPC refs: - * http://www-01.ibm.com/chips/techlib/techlib.nsf/techdocs/852569B20050FF778525699600719DF2 - * http://www.ibm.com/developerworks/eserver/library/es-archguide-v2.html - * http://www.freescale.com/files/product/doc/MPCFPE32B.pdf - * - * \author Brian Paul - */ - - -#include <stdio.h> -#include "util/u_memory.h" -#include "util/u_debug.h" -#include "rtasm_execmem.h" -#include "rtasm_ppc.h" - - -void -ppc_init_func(struct ppc_function *p) -{ - uint i; - - memset(p, 0, sizeof(*p)); - - p->num_inst = 0; - p->max_inst = 100; /* first guess at buffer size */ - p->store = rtasm_exec_malloc(p->max_inst * PPC_INST_SIZE); - p->reg_used = 0x0; - p->fp_used = 0x0; - p->vec_used = 0x0; - - p->print = FALSE; - p->indent = 0; - - /* only allow using gp registers 3..12 for now */ - for (i = 0; i < 3; i++) - ppc_reserve_register(p, i); - for (i = 12; i < PPC_NUM_REGS; i++) - ppc_reserve_register(p, i); -} - - -void -ppc_release_func(struct ppc_function *p) -{ - assert(p->num_inst <= p->max_inst); - if (p->store != NULL) { - rtasm_exec_free(p->store); - } - p->store = NULL; -} - - -uint -ppc_num_instructions(const struct ppc_function *p) -{ - return p->num_inst; -} - - -void (*ppc_get_func(struct ppc_function *p))(void) -{ -#if 0 - DUMP_END(); - if (DISASSEM && p->store) - debug_printf("disassemble %p %p\n", p->store, p->csr); - - if (p->store == p->error_overflow) - return (void (*)(void)) NULL; - else -#endif - return (void (*)(void)) pointer_to_func(p->store); -} - - -void -ppc_dump_func(const struct ppc_function *p) -{ - uint i; - for (i = 0; i < p->num_inst; i++) { - debug_printf("%3u: 0x%08x\n", i, p->store[i]); - } -} - - -void -ppc_print_code(struct ppc_function *p, boolean enable) -{ - p->print = enable; -} - - -void -ppc_indent(struct ppc_function *p, int spaces) -{ - p->indent += spaces; -} - - -static void -indent(const struct ppc_function *p) -{ - int i; - for (i = 0; i < p->indent; i++) { - putchar(' '); - } -} - - -void -ppc_comment(struct ppc_function *p, int rel_indent, const char *s) -{ - if (p->print) { - p->indent += rel_indent; - indent(p); - p->indent -= rel_indent; - printf("# %s\n", s); - } -} - - -/** - * Mark a register as being unavailable. - */ -int -ppc_reserve_register(struct ppc_function *p, int reg) -{ - assert(reg < PPC_NUM_REGS); - p->reg_used |= (1 << reg); - return reg; -} - - -/** - * Allocate a general purpose register. - * \return register index or -1 if none left. - */ -int -ppc_allocate_register(struct ppc_function *p) -{ - unsigned i; - for (i = 0; i < PPC_NUM_REGS; i++) { - const uint32_t mask = 1 << i; - if ((p->reg_used & mask) == 0) { - p->reg_used |= mask; - return i; - } - } - printf("OUT OF PPC registers!\n"); - return -1; -} - - -/** - * Mark the given general purpose register as "unallocated". - */ -void -ppc_release_register(struct ppc_function *p, int reg) -{ - assert(reg < PPC_NUM_REGS); - assert(p->reg_used & (1 << reg)); - p->reg_used &= ~(1 << reg); -} - - -/** - * Allocate a floating point register. - * \return register index or -1 if none left. - */ -int -ppc_allocate_fp_register(struct ppc_function *p) -{ - unsigned i; - for (i = 0; i < PPC_NUM_FP_REGS; i++) { - const uint32_t mask = 1 << i; - if ((p->fp_used & mask) == 0) { - p->fp_used |= mask; - return i; - } - } - printf("OUT OF PPC FP registers!\n"); - return -1; -} - - -/** - * Mark the given floating point register as "unallocated". - */ -void -ppc_release_fp_register(struct ppc_function *p, int reg) -{ - assert(reg < PPC_NUM_FP_REGS); - assert(p->fp_used & (1 << reg)); - p->fp_used &= ~(1 << reg); -} - - -/** - * Allocate a vector register. - * \return register index or -1 if none left. - */ -int -ppc_allocate_vec_register(struct ppc_function *p) -{ - unsigned i; - for (i = 0; i < PPC_NUM_VEC_REGS; i++) { - const uint32_t mask = 1 << i; - if ((p->vec_used & mask) == 0) { - p->vec_used |= mask; - return i; - } - } - printf("OUT OF PPC VEC registers!\n"); - return -1; -} - - -/** - * Mark the given vector register as "unallocated". - */ -void -ppc_release_vec_register(struct ppc_function *p, int reg) -{ - assert(reg < PPC_NUM_VEC_REGS); - assert(p->vec_used & (1 << reg)); - p->vec_used &= ~(1 << reg); -} - - -/** - * Append instruction to instruction buffer. Grow buffer if out of room. - */ -static void -emit_instruction(struct ppc_function *p, uint32_t inst_bits) -{ - if (!p->store) - return; /* out of memory, drop the instruction */ - - if (p->num_inst == p->max_inst) { - /* allocate larger buffer */ - uint32_t *newbuf; - p->max_inst *= 2; /* 2x larger */ - newbuf = rtasm_exec_malloc(p->max_inst * PPC_INST_SIZE); - if (newbuf) { - memcpy(newbuf, p->store, p->num_inst * PPC_INST_SIZE); - } - rtasm_exec_free(p->store); - p->store = newbuf; - if (!p->store) { - /* out of memory */ - p->num_inst = 0; - return; - } - } - - p->store[p->num_inst++] = inst_bits; -} - - -union vx_inst { - uint32_t bits; - struct { - unsigned op:6; - unsigned vD:5; - unsigned vA:5; - unsigned vB:5; - unsigned op2:11; - } inst; -}; - -static INLINE void -emit_vx(struct ppc_function *p, uint op2, uint vD, uint vA, uint vB, - const char *format, boolean transpose) -{ - union vx_inst inst; - inst.inst.op = 4; - inst.inst.vD = vD; - inst.inst.vA = vA; - inst.inst.vB = vB; - inst.inst.op2 = op2; - emit_instruction(p, inst.bits); - if (p->print) { - indent(p); - if (transpose) - printf(format, vD, vB, vA); - else - printf(format, vD, vA, vB); - } -} - - -union vxr_inst { - uint32_t bits; - struct { - unsigned op:6; - unsigned vD:5; - unsigned vA:5; - unsigned vB:5; - unsigned rC:1; - unsigned op2:10; - } inst; -}; - -static INLINE void -emit_vxr(struct ppc_function *p, uint op2, uint vD, uint vA, uint vB, - const char *format) -{ - union vxr_inst inst; - inst.inst.op = 4; - inst.inst.vD = vD; - inst.inst.vA = vA; - inst.inst.vB = vB; - inst.inst.rC = 0; - inst.inst.op2 = op2; - emit_instruction(p, inst.bits); - if (p->print) { - indent(p); - printf(format, vD, vA, vB); - } -} - - -union va_inst { - uint32_t bits; - struct { - unsigned op:6; - unsigned vD:5; - unsigned vA:5; - unsigned vB:5; - unsigned vC:5; - unsigned op2:6; - } inst; -}; - -static INLINE void -emit_va(struct ppc_function *p, uint op2, uint vD, uint vA, uint vB, uint vC, - const char *format) -{ - union va_inst inst; - inst.inst.op = 4; - inst.inst.vD = vD; - inst.inst.vA = vA; - inst.inst.vB = vB; - inst.inst.vC = vC; - inst.inst.op2 = op2; - emit_instruction(p, inst.bits); - if (p->print) { - indent(p); - printf(format, vD, vA, vB, vC); - } -} - - -union i_inst { - uint32_t bits; - struct { - unsigned op:6; - unsigned li:24; - unsigned aa:1; - unsigned lk:1; - } inst; -}; - -static INLINE void -emit_i(struct ppc_function *p, uint op, uint li, uint aa, uint lk) -{ - union i_inst inst; - inst.inst.op = op; - inst.inst.li = li; - inst.inst.aa = aa; - inst.inst.lk = lk; - emit_instruction(p, inst.bits); -} - - -union xl_inst { - uint32_t bits; - struct { - unsigned op:6; - unsigned bo:5; - unsigned bi:5; - unsigned unused:3; - unsigned bh:2; - unsigned op2:10; - unsigned lk:1; - } inst; -}; - -static INLINE void -emit_xl(struct ppc_function *p, uint op, uint bo, uint bi, uint bh, - uint op2, uint lk) -{ - union xl_inst inst; - inst.inst.op = op; - inst.inst.bo = bo; - inst.inst.bi = bi; - inst.inst.unused = 0x0; - inst.inst.bh = bh; - inst.inst.op2 = op2; - inst.inst.lk = lk; - emit_instruction(p, inst.bits); -} - -static INLINE void -dump_xl(const char *name, uint inst) -{ - union xl_inst i; - - i.bits = inst; - debug_printf("%s = 0x%08x\n", name, inst); - debug_printf(" op: %d 0x%x\n", i.inst.op, i.inst.op); - debug_printf(" bo: %d 0x%x\n", i.inst.bo, i.inst.bo); - debug_printf(" bi: %d 0x%x\n", i.inst.bi, i.inst.bi); - debug_printf(" unused: %d 0x%x\n", i.inst.unused, i.inst.unused); - debug_printf(" bh: %d 0x%x\n", i.inst.bh, i.inst.bh); - debug_printf(" op2: %d 0x%x\n", i.inst.op2, i.inst.op2); - debug_printf(" lk: %d 0x%x\n", i.inst.lk, i.inst.lk); -} - - -union x_inst { - uint32_t bits; - struct { - unsigned op:6; - unsigned vrs:5; - unsigned ra:5; - unsigned rb:5; - unsigned op2:10; - unsigned unused:1; - } inst; -}; - -static INLINE void -emit_x(struct ppc_function *p, uint op, uint vrs, uint ra, uint rb, uint op2, - const char *format) -{ - union x_inst inst; - inst.inst.op = op; - inst.inst.vrs = vrs; - inst.inst.ra = ra; - inst.inst.rb = rb; - inst.inst.op2 = op2; - inst.inst.unused = 0x0; - emit_instruction(p, inst.bits); - if (p->print) { - indent(p); - printf(format, vrs, ra, rb); - } -} - - -union d_inst { - uint32_t bits; - struct { - unsigned op:6; - unsigned rt:5; - unsigned ra:5; - unsigned si:16; - } inst; -}; - -static INLINE void -emit_d(struct ppc_function *p, uint op, uint rt, uint ra, int si, - const char *format, boolean transpose) -{ - union d_inst inst; - assert(si >= -32768); - assert(si <= 32767); - inst.inst.op = op; - inst.inst.rt = rt; - inst.inst.ra = ra; - inst.inst.si = (unsigned) (si & 0xffff); - emit_instruction(p, inst.bits); - if (p->print) { - indent(p); - if (transpose) - printf(format, rt, si, ra); - else - printf(format, rt, ra, si); - } -} - - -union a_inst { - uint32_t bits; - struct { - unsigned op:6; - unsigned frt:5; - unsigned fra:5; - unsigned frb:5; - unsigned unused:5; - unsigned op2:5; - unsigned rc:1; - } inst; -}; - -static INLINE void -emit_a(struct ppc_function *p, uint op, uint frt, uint fra, uint frb, uint op2, - uint rc, const char *format) -{ - union a_inst inst; - inst.inst.op = op; - inst.inst.frt = frt; - inst.inst.fra = fra; - inst.inst.frb = frb; - inst.inst.unused = 0x0; - inst.inst.op2 = op2; - inst.inst.rc = rc; - emit_instruction(p, inst.bits); - if (p->print) { - indent(p); - printf(format, frt, fra, frb); - } -} - - -union xo_inst { - uint32_t bits; - struct { - unsigned op:6; - unsigned rt:5; - unsigned ra:5; - unsigned rb:5; - unsigned oe:1; - unsigned op2:9; - unsigned rc:1; - } inst; -}; - -static INLINE void -emit_xo(struct ppc_function *p, uint op, uint rt, uint ra, uint rb, uint oe, - uint op2, uint rc, const char *format) -{ - union xo_inst inst; - inst.inst.op = op; - inst.inst.rt = rt; - inst.inst.ra = ra; - inst.inst.rb = rb; - inst.inst.oe = oe; - inst.inst.op2 = op2; - inst.inst.rc = rc; - emit_instruction(p, inst.bits); - if (p->print) { - indent(p); - printf(format, rt, ra, rb); - } -} - - - - - -/** - ** float vector arithmetic - **/ - -/** vector float add */ -void -ppc_vaddfp(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vx(p, 10, vD, vA, vB, "vaddfp\t%u, v%u, v%u\n", FALSE); -} - -/** vector float substract */ -void -ppc_vsubfp(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vx(p, 74, vD, vA, vB, "vsubfp\tv%u, v%u, v%u\n", FALSE); -} - -/** vector float min */ -void -ppc_vminfp(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vx(p, 1098, vD, vA, vB, "vminfp\tv%u, v%u, v%u\n", FALSE); -} - -/** vector float max */ -void -ppc_vmaxfp(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vx(p, 1034, vD, vA, vB, "vmaxfp\tv%u, v%u, v%u\n", FALSE); -} - -/** vector float mult add: vD = vA * vB + vC */ -void -ppc_vmaddfp(struct ppc_function *p, uint vD, uint vA, uint vB, uint vC) -{ - /* note arg order */ - emit_va(p, 46, vD, vA, vC, vB, "vmaddfp\tv%u, v%u, v%u, v%u\n"); -} - -/** vector float negative mult subtract: vD = vA - vB * vC */ -void -ppc_vnmsubfp(struct ppc_function *p, uint vD, uint vA, uint vB, uint vC) -{ - /* note arg order */ - emit_va(p, 47, vD, vB, vA, vC, "vnmsubfp\tv%u, v%u, v%u, v%u\n"); -} - -/** vector float compare greater than */ -void -ppc_vcmpgtfpx(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vxr(p, 710, vD, vA, vB, "vcmpgtfpx\tv%u, v%u, v%u"); -} - -/** vector float compare greater than or equal to */ -void -ppc_vcmpgefpx(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vxr(p, 454, vD, vA, vB, "vcmpgefpx\tv%u, v%u, v%u"); -} - -/** vector float compare equal */ -void -ppc_vcmpeqfpx(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vxr(p, 198, vD, vA, vB, "vcmpeqfpx\tv%u, v%u, v%u"); -} - -/** vector float 2^x */ -void -ppc_vexptefp(struct ppc_function *p, uint vD, uint vB) -{ - emit_vx(p, 394, vD, 0, vB, "vexptefp\tv%u, 0%u, v%u\n", FALSE); -} - -/** vector float log2(x) */ -void -ppc_vlogefp(struct ppc_function *p, uint vD, uint vB) -{ - emit_vx(p, 458, vD, 0, vB, "vlogefp\tv%u, 0%u, v%u\n", FALSE); -} - -/** vector float reciprocol */ -void -ppc_vrefp(struct ppc_function *p, uint vD, uint vB) -{ - emit_vx(p, 266, vD, 0, vB, "vrefp\tv%u, 0%u, v%u\n", FALSE); -} - -/** vector float reciprocol sqrt estimate */ -void -ppc_vrsqrtefp(struct ppc_function *p, uint vD, uint vB) -{ - emit_vx(p, 330, vD, 0, vB, "vrsqrtefp\tv%u, 0%u, v%u\n", FALSE); -} - -/** vector float round to negative infinity */ -void -ppc_vrfim(struct ppc_function *p, uint vD, uint vB) -{ - emit_vx(p, 714, vD, 0, vB, "vrfim\tv%u, 0%u, v%u\n", FALSE); -} - -/** vector float round to positive infinity */ -void -ppc_vrfip(struct ppc_function *p, uint vD, uint vB) -{ - emit_vx(p, 650, vD, 0, vB, "vrfip\tv%u, 0%u, v%u\n", FALSE); -} - -/** vector float round to nearest int */ -void -ppc_vrfin(struct ppc_function *p, uint vD, uint vB) -{ - emit_vx(p, 522, vD, 0, vB, "vrfin\tv%u, 0%u, v%u\n", FALSE); -} - -/** vector float round to int toward zero */ -void -ppc_vrfiz(struct ppc_function *p, uint vD, uint vB) -{ - emit_vx(p, 586, vD, 0, vB, "vrfiz\tv%u, 0%u, v%u\n", FALSE); -} - -/** vector store: store vR at mem[rA+rB] */ -void -ppc_stvx(struct ppc_function *p, uint vR, uint rA, uint rB) -{ - emit_x(p, 31, vR, rA, rB, 231, "stvx\tv%u, r%u, r%u\n"); -} - -/** vector load: vR = mem[rA+rB] */ -void -ppc_lvx(struct ppc_function *p, uint vR, uint rA, uint rB) -{ - emit_x(p, 31, vR, rA, rB, 103, "lvx\tv%u, r%u, r%u\n"); -} - -/** load vector element word: vR = mem_word[ra+rb] */ -void -ppc_lvewx(struct ppc_function *p, uint vR, uint rA, uint rB) -{ - emit_x(p, 31, vR, rA, rB, 71, "lvewx\tv%u, r%u, r%u\n"); -} - - - - -/** - ** vector bitwise operations - **/ - -/** vector and */ -void -ppc_vand(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vx(p, 1028, vD, vA, vB, "vand\tv%u, v%u, v%u\n", FALSE); -} - -/** vector and complement */ -void -ppc_vandc(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vx(p, 1092, vD, vA, vB, "vandc\tv%u, v%u, v%u\n", FALSE); -} - -/** vector or */ -void -ppc_vor(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vx(p, 1156, vD, vA, vB, "vor\tv%u, v%u, v%u\n", FALSE); -} - -/** vector nor */ -void -ppc_vnor(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vx(p, 1284, vD, vA, vB, "vnor\tv%u, v%u, v%u\n", FALSE); -} - -/** vector xor */ -void -ppc_vxor(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vx(p, 1220, vD, vA, vB, "vxor\tv%u, v%u, v%u\n", FALSE); -} - -/** Pseudo-instruction: vector move */ -void -ppc_vmove(struct ppc_function *p, uint vD, uint vA) -{ - boolean print = p->print; - p->print = FALSE; - ppc_vor(p, vD, vA, vA); - if (print) { - indent(p); - printf("vor\tv%u, v%u, v%u \t# v%u = v%u\n", vD, vA, vA, vD, vA); - } - p->print = print; -} - -/** Set vector register to {0,0,0,0} */ -void -ppc_vzero(struct ppc_function *p, uint vr) -{ - boolean print = p->print; - p->print = FALSE; - ppc_vxor(p, vr, vr, vr); - if (print) { - indent(p); - printf("vxor\tv%u, v%u, v%u \t# v%u = {0,0,0,0}\n", vr, vr, vr, vr); - } - p->print = print; -} - - - - -/** - ** Vector shuffle / select / splat / etc - **/ - -/** vector permute */ -void -ppc_vperm(struct ppc_function *p, uint vD, uint vA, uint vB, uint vC) -{ - emit_va(p, 43, vD, vA, vB, vC, "vperm\tr%u, r%u, r%u, r%u"); -} - -/** vector select */ -void -ppc_vsel(struct ppc_function *p, uint vD, uint vA, uint vB, uint vC) -{ - emit_va(p, 42, vD, vA, vB, vC, "vsel\tr%u, r%u, r%u, r%u"); -} - -/** vector splat byte */ -void -ppc_vspltb(struct ppc_function *p, uint vD, uint vB, uint imm) -{ - emit_vx(p, 42, vD, imm, vB, "vspltb\tv%u, v%u, %u\n", TRUE); -} - -/** vector splat half word */ -void -ppc_vsplthw(struct ppc_function *p, uint vD, uint vB, uint imm) -{ - emit_vx(p, 588, vD, imm, vB, "vsplthw\tv%u, v%u, %u\n", TRUE); -} - -/** vector splat word */ -void -ppc_vspltw(struct ppc_function *p, uint vD, uint vB, uint imm) -{ - emit_vx(p, 652, vD, imm, vB, "vspltw\tv%u, v%u, %u\n", TRUE); -} - -/** vector splat signed immediate word */ -void -ppc_vspltisw(struct ppc_function *p, uint vD, int imm) -{ - assert(imm >= -16); - assert(imm < 15); - emit_vx(p, 908, vD, imm, 0, "vspltisw\tv%u, %d, %u\n", FALSE); -} - -/** vector shift left word: vD[word] = vA[word] << (vB[word] & 0x1f) */ -void -ppc_vslw(struct ppc_function *p, uint vD, uint vA, uint vB) -{ - emit_vx(p, 388, vD, vA, vB, "vslw\tv%u, v%u, v%u\n", FALSE); -} - - - - -/** - ** integer arithmetic - **/ - -/** rt = ra + imm */ -void -ppc_addi(struct ppc_function *p, uint rt, uint ra, int imm) -{ - emit_d(p, 14, rt, ra, imm, "addi\tr%u, r%u, %d\n", FALSE); -} - -/** rt = ra + (imm << 16) */ -void -ppc_addis(struct ppc_function *p, uint rt, uint ra, int imm) -{ - emit_d(p, 15, rt, ra, imm, "addis\tr%u, r%u, %d\n", FALSE); -} - -/** rt = ra + rb */ -void -ppc_add(struct ppc_function *p, uint rt, uint ra, uint rb) -{ - emit_xo(p, 31, rt, ra, rb, 0, 266, 0, "add\tr%u, r%u, r%u\n"); -} - -/** rt = ra AND ra */ -void -ppc_and(struct ppc_function *p, uint rt, uint ra, uint rb) -{ - emit_x(p, 31, ra, rt, rb, 28, "and\tr%u, r%u, r%u\n"); /* note argument order */ -} - -/** rt = ra AND imm */ -void -ppc_andi(struct ppc_function *p, uint rt, uint ra, int imm) -{ - /* note argument order */ - emit_d(p, 28, ra, rt, imm, "andi\tr%u, r%u, %d\n", FALSE); -} - -/** rt = ra OR ra */ -void -ppc_or(struct ppc_function *p, uint rt, uint ra, uint rb) -{ - emit_x(p, 31, ra, rt, rb, 444, "or\tr%u, r%u, r%u\n"); /* note argument order */ -} - -/** rt = ra OR imm */ -void -ppc_ori(struct ppc_function *p, uint rt, uint ra, int imm) -{ - /* note argument order */ - emit_d(p, 24, ra, rt, imm, "ori\tr%u, r%u, %d\n", FALSE); -} - -/** rt = ra XOR ra */ -void -ppc_xor(struct ppc_function *p, uint rt, uint ra, uint rb) -{ - emit_x(p, 31, ra, rt, rb, 316, "xor\tr%u, r%u, r%u\n"); /* note argument order */ -} - -/** rt = ra XOR imm */ -void -ppc_xori(struct ppc_function *p, uint rt, uint ra, int imm) -{ - /* note argument order */ - emit_d(p, 26, ra, rt, imm, "xori\tr%u, r%u, %d\n", FALSE); -} - -/** pseudo instruction: move: rt = ra */ -void -ppc_mr(struct ppc_function *p, uint rt, uint ra) -{ - ppc_or(p, rt, ra, ra); -} - -/** pseudo instruction: load immediate: rt = imm */ -void -ppc_li(struct ppc_function *p, uint rt, int imm) -{ - boolean print = p->print; - p->print = FALSE; - ppc_addi(p, rt, 0, imm); - if (print) { - indent(p); - printf("addi\tr%u, r0, %d \t# r%u = %d\n", rt, imm, rt, imm); - } - p->print = print; -} - -/** rt = imm << 16 */ -void -ppc_lis(struct ppc_function *p, uint rt, int imm) -{ - ppc_addis(p, rt, 0, imm); -} - -/** rt = imm */ -void -ppc_load_int(struct ppc_function *p, uint rt, int imm) -{ - ppc_lis(p, rt, (imm >> 16)); /* rt = imm >> 16 */ - ppc_ori(p, rt, rt, (imm & 0xffff)); /* rt = rt | (imm & 0xffff) */ -} - - - - -/** - ** integer load/store - **/ - -/** store rs at memory[(ra)+d], - * then update ra = (ra)+d - */ -void -ppc_stwu(struct ppc_function *p, uint rs, uint ra, int d) -{ - emit_d(p, 37, rs, ra, d, "stwu\tr%u, %d(r%u)\n", TRUE); -} - -/** store rs at memory[(ra)+d] */ -void -ppc_stw(struct ppc_function *p, uint rs, uint ra, int d) -{ - emit_d(p, 36, rs, ra, d, "stw\tr%u, %d(r%u)\n", TRUE); -} - -/** Load rt = mem[(ra)+d]; then zero set high 32 bits to zero. */ -void -ppc_lwz(struct ppc_function *p, uint rt, uint ra, int d) -{ - emit_d(p, 32, rt, ra, d, "lwz\tr%u, %d(r%u)\n", TRUE); -} - - - -/** - ** Float (non-vector) arithmetic - **/ - -/** add: frt = fra + frb */ -void -ppc_fadd(struct ppc_function *p, uint frt, uint fra, uint frb) -{ - emit_a(p, 63, frt, fra, frb, 21, 0, "fadd\tf%u, f%u, f%u\n"); -} - -/** sub: frt = fra - frb */ -void -ppc_fsub(struct ppc_function *p, uint frt, uint fra, uint frb) -{ - emit_a(p, 63, frt, fra, frb, 20, 0, "fsub\tf%u, f%u, f%u\n"); -} - -/** convert to int: rt = (int) ra */ -void -ppc_fctiwz(struct ppc_function *p, uint rt, uint fra) -{ - emit_x(p, 63, rt, 0, fra, 15, "fctiwz\tr%u, r%u, r%u\n"); -} - -/** store frs at mem[(ra)+offset] */ -void -ppc_stfs(struct ppc_function *p, uint frs, uint ra, int offset) -{ - emit_d(p, 52, frs, ra, offset, "stfs\tr%u, %d(r%u)\n", TRUE); -} - -/** store frs at mem[(ra)+(rb)] */ -void -ppc_stfiwx(struct ppc_function *p, uint frs, uint ra, uint rb) -{ - emit_x(p, 31, frs, ra, rb, 983, "stfiwx\tr%u, r%u, r%u\n"); -} - -/** load frt = mem[(ra)+offset] */ -void -ppc_lfs(struct ppc_function *p, uint frt, uint ra, int offset) -{ - emit_d(p, 48, frt, ra, offset, "stfs\tr%u, %d(r%u)\n", TRUE); -} - - - - - -/** - ** branch instructions - **/ - -/** BLR: Branch to link register (p. 35) */ -void -ppc_blr(struct ppc_function *p) -{ - emit_i(p, 18, 0, 0, 1); - if (p->print) { - indent(p); - printf("blr\n"); - } -} - -/** Branch Conditional to Link Register (p. 36) */ -void -ppc_bclr(struct ppc_function *p, uint condOp, uint branchHint, uint condReg) -{ - emit_xl(p, 19, condOp, condReg, branchHint, 16, 0); - if (p->print) { - indent(p); - printf("bclr\t%u %u %u\n", condOp, branchHint, condReg); - } -} - -/** Pseudo instruction: return from subroutine */ -void -ppc_return(struct ppc_function *p) -{ - ppc_bclr(p, BRANCH_COND_ALWAYS, BRANCH_HINT_SUB_RETURN, 0); -} |