diff options
| -rw-r--r-- | src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c | 57 |
1 files changed, 41 insertions, 16 deletions
diff --git a/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c b/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c index dea1aed0320..f8568f690b7 100644 --- a/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c +++ b/src/gallium/auxiliary/rtasm/rtasm_ppc_spe.c @@ -185,6 +185,34 @@ reg_name(int reg) } +static void +emit_instruction(struct spe_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 = align_malloc(p->max_inst * SPE_INST_SIZE, 16); + if (newbuf) { + memcpy(newbuf, p->store, p->num_inst * SPE_INST_SIZE); + } + align_free(p->store); + p->store = newbuf; + if (!p->store) { + /* out of memory */ + p->num_inst = 0; + return; + } + } + + p->store[p->num_inst++] = inst_bits; +} + + + static void emit_RR(struct spe_function *p, unsigned op, unsigned rT, unsigned rA, unsigned rB, const char *name) { @@ -193,8 +221,7 @@ static void emit_RR(struct spe_function *p, unsigned op, unsigned rT, inst.inst.rB = rB; inst.inst.rA = rA; inst.inst.rT = rT; - p->store[p->num_inst++] = inst.bits; - assert(p->num_inst <= p->max_inst); + emit_instruction(p, inst.bits); if (p->print) { indent(p); printf("%s\t%s, %s, %s\n", @@ -212,8 +239,7 @@ static void emit_RRR(struct spe_function *p, unsigned op, unsigned rT, inst.inst.rB = rB; inst.inst.rA = rA; inst.inst.rC = rC; - p->store[p->num_inst++] = inst.bits; - assert(p->num_inst <= p->max_inst); + emit_instruction(p, inst.bits); if (p->print) { indent(p); printf("%s\t%s, %s, %s, %s\n", rem_prefix(name), reg_name(rT), @@ -230,8 +256,7 @@ static void emit_RI7(struct spe_function *p, unsigned op, unsigned rT, inst.inst.i7 = imm; inst.inst.rA = rA; inst.inst.rT = rT; - p->store[p->num_inst++] = inst.bits; - assert(p->num_inst <= p->max_inst); + emit_instruction(p, inst.bits); if (p->print) { indent(p); printf("%s\t%s, %s, 0x%x\n", @@ -249,8 +274,7 @@ static void emit_RI8(struct spe_function *p, unsigned op, unsigned rT, inst.inst.i8 = imm; inst.inst.rA = rA; inst.inst.rT = rT; - p->store[p->num_inst++] = inst.bits; - assert(p->num_inst <= p->max_inst); + emit_instruction(p, inst.bits); if (p->print) { indent(p); printf("%s\t%s, %s, 0x%x\n", @@ -268,8 +292,7 @@ static void emit_RI10(struct spe_function *p, unsigned op, unsigned rT, inst.inst.i10 = imm; inst.inst.rA = rA; inst.inst.rT = rT; - p->store[p->num_inst++] = inst.bits; - assert(p->num_inst <= p->max_inst); + emit_instruction(p, inst.bits); if (p->print) { indent(p); printf("%s\t%s, %s, 0x%x\n", @@ -295,8 +318,7 @@ static void emit_RI16(struct spe_function *p, unsigned op, unsigned rT, inst.inst.op = op; inst.inst.i16 = imm; inst.inst.rT = rT; - p->store[p->num_inst++] = inst.bits; - assert(p->num_inst <= p->max_inst); + emit_instruction(p, inst.bits); if (p->print) { indent(p); printf("%s\t%s, 0x%x\n", rem_prefix(name), reg_name(rT), imm); @@ -311,8 +333,7 @@ static void emit_RI18(struct spe_function *p, unsigned op, unsigned rT, inst.inst.op = op; inst.inst.i18 = imm; inst.inst.rT = rT; - p->store[p->num_inst++] = inst.bits; - assert(p->num_inst <= p->max_inst); + emit_instruction(p, inst.bits); if (p->print) { indent(p); printf("%s\t%s, 0x%x\n", rem_prefix(name), reg_name(rT), imm); @@ -394,15 +415,19 @@ void _name (struct spe_function *p, int imm) \ /** * Initialize an spe_function. - * \param code_size size of instruction buffer to allocate, in bytes. + * \param code_size initial size of instruction buffer to allocate, in bytes. + * If zero, use a default. */ void spe_init_func(struct spe_function *p, unsigned code_size) { unsigned int i; - p->store = align_malloc(code_size, 16); + if (!code_size) + code_size = 64; + p->num_inst = 0; p->max_inst = code_size / SPE_INST_SIZE; + p->store = align_malloc(code_size, 16); p->set_count = 0; memset(p->regs, 0, SPE_NUM_REGS * sizeof(p->regs[0])); |