i965: Remove validate_reg()
Replaced by the assembly validator, and in fact gets in the way of writing tests for the assembly validator.
This commit is contained in:
@@ -159,82 +159,6 @@ brw_set_dest(struct brw_codegen *p, brw_inst *inst, struct brw_reg dest)
|
||||
brw_inst_set_exec_size(devinfo, inst, dest.width);
|
||||
}
|
||||
|
||||
static void
|
||||
validate_reg(const struct gen_device_info *devinfo,
|
||||
brw_inst *inst, struct brw_reg reg)
|
||||
{
|
||||
const int hstride_for_reg[] = {0, 1, 2, 4};
|
||||
const int vstride_for_reg[] = {0, 1, 2, 4, 8, 16, 32};
|
||||
const int width_for_reg[] = {1, 2, 4, 8, 16};
|
||||
const int execsize_for_reg[] = {1, 2, 4, 8, 16, 32};
|
||||
int width, hstride, vstride, execsize;
|
||||
|
||||
if (reg.file == BRW_IMMEDIATE_VALUE)
|
||||
return;
|
||||
|
||||
if (reg.file == BRW_ARCHITECTURE_REGISTER_FILE &&
|
||||
reg.file == BRW_ARF_NULL)
|
||||
return;
|
||||
|
||||
/* From the IVB PRM Vol. 4, Pt. 3, Section 3.3.3.5:
|
||||
*
|
||||
* "Swizzling is not allowed when an accumulator is used as an implicit
|
||||
* source or an explicit source in an instruction."
|
||||
*/
|
||||
if (reg.file == BRW_ARCHITECTURE_REGISTER_FILE &&
|
||||
reg.nr == BRW_ARF_ACCUMULATOR)
|
||||
assert(reg.swizzle == BRW_SWIZZLE_XYZW);
|
||||
|
||||
assert(reg.hstride < ARRAY_SIZE(hstride_for_reg));
|
||||
hstride = hstride_for_reg[reg.hstride];
|
||||
|
||||
if (reg.vstride == 0xf) {
|
||||
vstride = -1;
|
||||
} else {
|
||||
assert(reg.vstride >= 0 && reg.vstride < ARRAY_SIZE(vstride_for_reg));
|
||||
vstride = vstride_for_reg[reg.vstride];
|
||||
}
|
||||
|
||||
assert(reg.width >= 0 && reg.width < ARRAY_SIZE(width_for_reg));
|
||||
width = width_for_reg[reg.width];
|
||||
|
||||
assert(brw_inst_exec_size(devinfo, inst) >= 0 &&
|
||||
brw_inst_exec_size(devinfo, inst) < ARRAY_SIZE(execsize_for_reg));
|
||||
execsize = execsize_for_reg[brw_inst_exec_size(devinfo, inst)];
|
||||
|
||||
/* Restrictions from 3.3.10: Register Region Restrictions. */
|
||||
/* 3. */
|
||||
assert(execsize >= width);
|
||||
|
||||
/* 4. */
|
||||
if (execsize == width && hstride != 0) {
|
||||
assert(vstride == -1 || vstride == width * hstride);
|
||||
}
|
||||
|
||||
/* 5. */
|
||||
if (execsize == width && hstride == 0) {
|
||||
/* no restriction on vstride. */
|
||||
}
|
||||
|
||||
/* 6. */
|
||||
if (width == 1) {
|
||||
assert(hstride == 0);
|
||||
}
|
||||
|
||||
/* 7. */
|
||||
if (execsize == 1 && width == 1) {
|
||||
assert(hstride == 0);
|
||||
assert(vstride == 0);
|
||||
}
|
||||
|
||||
/* 8. */
|
||||
if (vstride == 0 && hstride == 0) {
|
||||
assert(width == 1);
|
||||
}
|
||||
|
||||
/* 10. Check destination issues. */
|
||||
}
|
||||
|
||||
void
|
||||
brw_set_src0(struct brw_codegen *p, brw_inst *inst, struct brw_reg reg)
|
||||
{
|
||||
@@ -258,8 +182,6 @@ brw_set_src0(struct brw_codegen *p, brw_inst *inst, struct brw_reg reg)
|
||||
assert(reg.address_mode == BRW_ADDRESS_DIRECT);
|
||||
}
|
||||
|
||||
validate_reg(devinfo, inst, reg);
|
||||
|
||||
brw_inst_set_src0_file_type(devinfo, inst, reg.file, reg.type);
|
||||
brw_inst_set_src0_abs(devinfo, inst, reg.abs);
|
||||
brw_inst_set_src0_negate(devinfo, inst, reg.negate);
|
||||
@@ -363,8 +285,6 @@ brw_set_src1(struct brw_codegen *p, brw_inst *inst, struct brw_reg reg)
|
||||
gen7_convert_mrf_to_grf(p, ®);
|
||||
assert(reg.file != BRW_MESSAGE_REGISTER_FILE);
|
||||
|
||||
validate_reg(devinfo, inst, reg);
|
||||
|
||||
brw_inst_set_src1_file_type(devinfo, inst, reg.file, reg.type);
|
||||
brw_inst_set_src1_abs(devinfo, inst, reg.abs);
|
||||
brw_inst_set_src1_negate(devinfo, inst, reg.negate);
|
||||
|
Reference in New Issue
Block a user