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Rename intrinsics to count_trailing_zeros and count_leading_zeros

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gingerBill
2021-04-25 20:26:11 +01:00
parent 72aa0e6e38
commit 7086b49ae6
8 changed files with 27 additions and 48 deletions
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core/math/bits/bits.odin
+6 -27
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@@ -25,23 +25,14 @@ I64_MAX :: 1 << 63 - 1;
count_ones :: intrinsics.count_ones;
trailing_zeros :: intrinsics.trailing_zeros;
trailing_zeros :: intrinsics.count_trailing_zeros;
leading_zeros :: intrinsics.count_leading_zeros;
count_trailing_zeros :: intrinsics.count_trailing_zeros;
count_leading_zeros :: intrinsics.count_leading_zeros;
reverse_bits :: intrinsics.reverse_bits;
byte_swap :: intrinsics.byte_swap;
leading_zeros_u8 :: proc(i: u8) -> int {
return 8*size_of(i) - len_u8(i);
}
leading_zeros_u16 :: proc(i: u16) -> int {
return 8*size_of(i) - len_u16(i);
}
leading_zeros_u32 :: proc(i: u32) -> int {
return 8*size_of(i) - len_u32(i);
}
leading_zeros_u64 :: proc(i: u64) -> int {
return 8*size_of(i) - len_u64(i);
}
byte_swap_u16 :: proc(x: u16) -> u16 {
return runtime.bswap_16(x);
@@ -83,18 +74,6 @@ byte_swap_int :: proc(i: int) -> int {
}
}
byte_swap :: proc{
byte_swap_u16,
byte_swap_u32,
byte_swap_u64,
byte_swap_u128,
byte_swap_i16,
byte_swap_i32,
byte_swap_i64,
byte_swap_i128,
byte_swap_uint,
byte_swap_int,
};
count_zeros8 :: proc(i: u8) -> u8 { return 8 - count_ones(i); }
count_zeros16 :: proc(i: u16) -> u16 { return 16 - count_ones(i); }
@@ -324,7 +303,7 @@ div_u64 :: proc(hi, lo, y: u64) -> (quo, rem: u64) {
panic("overflow error");
}
s := uint(leading_zeros_u64(y));
s := uint(count_leading_zeros(y));
y <<= s;
yn1 := y >> 32;
core/runtime/internal_linux.odin
+1 -1
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@@ -98,7 +98,7 @@ floattidf :: proc(a: i128) -> f64 {
N :: size_of(i128) * 8;
s := a >> (N-1);
a = (a ~ s) - s;
sd: = N - intrinsics.leading_zeros(a); // number of significant digits
sd: = N - intrinsics.count_leading_zeros(a); // number of significant digits
e := u32(sd - 1); // exponent
if sd > DBL_MANT_DIG {
switch sd {
core/runtime/internal_windows.odin
+1 -1
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@@ -98,7 +98,7 @@ floattidf :: proc(a: i128) -> f64 {
N :: size_of(i128) * 8;
s := a >> (N-1);
a = (a ~ s) - s;
sd: = N - intrinsics.leading_zeros((a); // number of significant digits
sd: = N - intrinsics.count_leading_zeros(a); // number of significant digits
e := u32(sd - 1); // exponent
if sd > DBL_MANT_DIG {
switch sd {
core/runtime/udivmod128.odin
+2 -2
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@@ -3,8 +3,8 @@ package runtime
import "intrinsics"
udivmod128 :: proc "c" (a, b: u128, rem: ^u128) -> u128 {
_ctz :: intrinsics.trailing_zeros;
_clz :: intrinsics.leading_zeros;
_ctz :: intrinsics.count_trailing_zeros;
_clz :: intrinsics.count_leading_zeros;
n := transmute([2]u64)a;
d := transmute([2]u64)b;
src/check_builtin.cpp
+2 -2
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@@ -1923,8 +1923,8 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
break;
case BuiltinProc_count_ones:
case BuiltinProc_trailing_zeros:
case BuiltinProc_leading_zeros:
case BuiltinProc_count_trailing_zeros:
case BuiltinProc_count_leading_zeros:
case BuiltinProc_reverse_bits:
{
Operand x = {};
src/checker_builtin_procs.hpp
+7 -7
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@@ -46,8 +46,8 @@ enum BuiltinProcId {
BuiltinProc_read_cycle_counter,
BuiltinProc_count_ones,
BuiltinProc_trailing_zeros,
BuiltinProc_leading_zeros,
BuiltinProc_count_trailing_zeros,
BuiltinProc_count_leading_zeros,
BuiltinProc_reverse_bits,
BuiltinProc_byte_swap,
@@ -264,11 +264,11 @@ gb_global BuiltinProc builtin_procs[BuiltinProc_COUNT] = {
{STR_LIT("debug_trap"), 0, false, Expr_Stmt, BuiltinProcPkg_intrinsics, /*diverging*/false},
{STR_LIT("read_cycle_counter"), 0, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("count_ones"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("trailing_zeros"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("leading_zeros"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("reverse_bits"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("byte_swap"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("count_ones"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("count_trailing_zeros"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("count_leading_zeros"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("reverse_bits"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("byte_swap"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("overflow_add"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("overflow_sub"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
src/llvm_backend.cpp
+6 -6
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@@ -9106,10 +9106,10 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
return res;
}
case BuiltinProc_trailing_zeros:
return lb_emit_trailing_zeros(p, lb_build_expr(p, ce->args[0]), tv.type);
case BuiltinProc_leading_zeros:
return lb_emit_leading_zeros(p, lb_build_expr(p, ce->args[0]), tv.type);
case BuiltinProc_count_trailing_zeros:
return lb_emit_count_trailing_zeros(p, lb_build_expr(p, ce->args[0]), tv.type);
case BuiltinProc_count_leading_zeros:
return lb_emit_count_leading_zeros(p, lb_build_expr(p, ce->args[0]), tv.type);
case BuiltinProc_count_ones:
return lb_emit_count_ones(p, lb_build_expr(p, ce->args[0]), tv.type);
@@ -9972,7 +9972,7 @@ lbValue lb_emit_count_ones(lbProcedure *p, lbValue x, Type *type) {
}
lbValue lb_emit_trailing_zeros(lbProcedure *p, lbValue x, Type *type) {
lbValue lb_emit_count_trailing_zeros(lbProcedure *p, lbValue x, Type *type) {
x = lb_emit_conv(p, x, type);
char const *name = "llvm.cttz";
@@ -9991,7 +9991,7 @@ lbValue lb_emit_trailing_zeros(lbProcedure *p, lbValue x, Type *type) {
return res;
}
lbValue lb_emit_leading_zeros(lbProcedure *p, lbValue x, Type *type) {
lbValue lb_emit_count_leading_zeros(lbProcedure *p, lbValue x, Type *type) {
x = lb_emit_conv(p, x, type);
char const *name = "llvm.ctlz";
src/llvm_backend.hpp
+2 -2
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@@ -395,8 +395,8 @@ lbValue lb_emit_conv(lbProcedure *p, lbValue value, Type *t);
LLVMMetadataRef lb_debug_type(lbModule *m, Type *type);
lbValue lb_emit_count_ones(lbProcedure *p, lbValue x, Type *type);
lbValue lb_emit_trailing_zeros(lbProcedure *p, lbValue x, Type *type);
lbValue lb_emit_leading_zeros(lbProcedure *p, lbValue x, Type *type);
lbValue lb_emit_count_trailing_zeros(lbProcedure *p, lbValue x, Type *type);
lbValue lb_emit_count_leading_zeros(lbProcedure *p, lbValue x, Type *type);
lbValue lb_emit_reverse_bits(lbProcedure *p, lbValue x, Type *type);
lbValue lb_emit_bit_set_card(lbProcedure *p, lbValue x);