diff options
| author | Eric Anholt <[email protected]> | 2014-07-04 10:23:50 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2014-08-08 18:59:46 -0700 |
| commit | db9f41ea8826d09a413059b681121e4bd05ce524 (patch) | |
| tree | 60c3773c78a7ac20979446bd5e025905bb1e8289 /src | |
| parent | 23b2bad9915c1f0aad46ee96e59edb167f4ffea0 (diff) | |
vc4: Use r3 instead of r5 for temps, since r5 only has 32 bits of storage
Reserving a whole accumulator for temps is awful in the first place, but
I'll fix that later.
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_qpu_emit.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/gallium/drivers/vc4/vc4_qpu_emit.c b/src/gallium/drivers/vc4/vc4_qpu_emit.c index 4591c6b0301..8cb5de15fff 100644 --- a/src/gallium/drivers/vc4/vc4_qpu_emit.c +++ b/src/gallium/drivers/vc4/vc4_qpu_emit.c @@ -56,9 +56,9 @@ fixup_raddr_conflict(uint64_t *insts, uint32_t *ni, if ((src0.mux == QPU_MUX_A || src0.mux == QPU_MUX_B) && (src1->mux == QPU_MUX_A || src1->mux == QPU_MUX_B) && src0.addr != src1->addr) { - insts[(*ni)++] = qpu_inst(qpu_a_MOV(qpu_r5(), *src1), + insts[(*ni)++] = qpu_inst(qpu_a_MOV(qpu_r3(), *src1), qpu_m_NOP()); - *src1 = qpu_r5(); + *src1 = qpu_r3(); } } @@ -67,7 +67,7 @@ vc4_generate_code(struct qcompile *c) { uint64_t *insts = malloc(sizeof(uint64_t) * 1024); /* XXX: sizing */ uint32_t ni = 0; - struct qpu_reg allocate_to_qpu_reg[4 + 32 + 32]; + struct qpu_reg allocate_to_qpu_reg[3 + 32 + 32]; bool reg_in_use[ARRAY_SIZE(allocate_to_qpu_reg)]; int *reg_allocated = calloc(c->num_temps, sizeof(*reg_allocated)); int *reg_uses_remaining = @@ -77,12 +77,12 @@ vc4_generate_code(struct qcompile *c) reg_in_use[i] = false; for (int i = 0; i < c->num_temps; i++) reg_allocated[i] = -1; - for (int i = 0; i < 4; i++) + for (int i = 0; i < 3; i++) allocate_to_qpu_reg[i] = qpu_rn(i); for (int i = 0; i < 32; i++) - allocate_to_qpu_reg[i + 4] = qpu_ra(i); + allocate_to_qpu_reg[i + 3] = qpu_ra(i); for (int i = 0; i < 32; i++) - allocate_to_qpu_reg[i + 4 + 32] = qpu_rb(i); + allocate_to_qpu_reg[i + 3 + 32] = qpu_rb(i); struct simple_node *node; foreach(node, &c->instructions) { @@ -283,13 +283,13 @@ vc4_generate_code(struct qcompile *c) case QOP_PACK_COLORS: for (int i = 0; i < 4; i++) { insts[ni++] = qpu_inst(qpu_a_NOP(), - qpu_m_MOV(qpu_r5(), src[i])); + qpu_m_MOV(qpu_r3(), src[i])); insts[ni - 1] |= QPU_PM; insts[ni - 1] |= QPU_SET_FIELD(QPU_PACK_MUL_8A + i, QPU_PACK); } - insts[ni++] = qpu_inst(qpu_a_MOV(dst, qpu_r5()), + insts[ni++] = qpu_inst(qpu_a_MOV(dst, qpu_r3()), qpu_m_NOP()); break; |