diff options
Diffstat (limited to 'src/gallium/drivers/freedreno/ir3/ir3_compiler.c')
| -rw-r--r-- | src/gallium/drivers/freedreno/ir3/ir3_compiler.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c index 1a5119c074f..8c4ec88ccc0 100644 --- a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c +++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c @@ -600,11 +600,6 @@ add_src_reg_wrmask(struct ir3_compile_context *ctx, struct ir3_register *reg; struct ir3_instruction *orig = NULL; - /* TODO we need to use a mov to temp for const >= 64.. or maybe - * we could use relative addressing.. - */ - compile_assert(ctx, src->Index < 64); - switch (src->File) { case TGSI_FILE_IMMEDIATE: /* TODO if possible, use actual immediate instead of const.. but @@ -632,6 +627,24 @@ add_src_reg_wrmask(struct ir3_compile_context *ctx, break; } + /* We seem to have 8 bits (6.2) for dst register always, so I think + * it is safe to assume GPR cannot be >=64 + * + * cat3 instructions only have 8 bits for src2, but cannot take a + * const for src2 + * + * cat5 and cat6 in some cases only has 8 bits, but cannot take a + * const for any src. + * + * Other than that we seem to have 12 bits to encode const src, + * except for cat1 which may only have 11 bits (but that seems like + * a bug) + */ + if (flags & IR3_REG_CONST) + compile_assert(ctx, src->Index < (1 << 9)); + else + compile_assert(ctx, src->Index < (1 << 6)); + if (src->Absolute) flags |= IR3_REG_ABS; if (src->Negate) |