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nir/serialize: pack function has name and entry point into flags. 

Suggested by Jason.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Dave Airlie 2019-11-19 08:16:22 +10:00
parent fc72df1d93
commit 0fd6b8aa98
1 changed files with 7 additions and 5 deletions
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12
src/compiler/nir/nir_serialize.c
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@ -1069,7 +1069,10 @@ read_function_impl(read_ctx *ctx, nir_function *fxn)
static void
write_function(write_ctx *ctx, const nir_function *fxn)
{
blob_write_uint32(ctx->blob, !!(fxn->name));
uint32_t flags = fxn->is_entrypoint;
if (fxn->name)
flags |= 0x2;
blob_write_uint32(ctx->blob, flags);
if (fxn->name)
blob_write_string(ctx->blob, fxn->name);
@ -1083,8 +1086,6 @@ write_function(write_ctx *ctx, const nir_function *fxn)
blob_write_uint32(ctx->blob, val);
}
blob_write_uint32(ctx->blob, fxn->is_entrypoint);
/* At first glance, it looks like we should write the function_impl here.
* However, call instructions need to be able to reference at least the
* function and those will get processed as we write the function_impls.
@ -1095,7 +1096,8 @@ write_function(write_ctx *ctx, const nir_function *fxn)
static void
read_function(read_ctx *ctx)
{
bool has_name = blob_read_uint32(ctx->blob);
uint32_t flags = blob_read_uint32(ctx->blob);
bool has_name = flags & 0x2;
char *name = has_name ? blob_read_string(ctx->blob) : NULL;
nir_function *fxn = nir_function_create(ctx->nir, name);
@ -1110,7 +1112,7 @@ read_function(read_ctx *ctx)
fxn->params[i].bit_size = (val >> 8) & 0xff;
}
fxn->is_entrypoint = blob_read_uint32(ctx->blob);
fxn->is_entrypoint = flags & 0x1;
}
void