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aco/ra: Use PhysRegInterval for count_zero

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Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7799>
This commit is contained in:
Tony Wasserka 2020-11-09 11:12:13 +01:00 • committed by Marge Bot
parent c30e83cc51
commit b603875482
1 changed files with 5 additions and 5 deletions
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10
src/amd/compiler/aco_register_allocation.cpp
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@ -248,10 +248,10 @@ public:
return regs[index];
}
unsigned count_zero(PhysReg start, unsigned size) {
unsigned count_zero(PhysRegInterval reg_interval) {
unsigned res = 0;
for (unsigned i = 0; i < size; i++)
res += !regs[start + i];
for (PhysReg reg : reg_interval)
res += !regs[reg];
return res;
}
@ -1050,7 +1050,7 @@ std::pair<PhysReg, bool> get_reg_impl(ra_ctx& ctx,
RegClass rc = info.rc;
/* check how many free regs we have */
unsigned regs_free = reg_file.count_zero(bounds.lo(), bounds.size);
unsigned regs_free = reg_file.count_zero(bounds);
/* mark and count killed operands */
unsigned killed_ops = 0;
@ -1339,7 +1339,7 @@ PhysReg get_reg(ra_ctx& ctx,
/* We should only fail here because keeping under the limit would require
* too many moves. */
assert(reg_file.count_zero(info.bounds.lo(), info.bounds.size) >= info.size);
assert(reg_file.count_zero(info.bounds) >= info.size);
//FIXME: if nothing helps, shift-rotate the registers to make space