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Restart LLVM IR SSA generation

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This is the third go and I'm going for it!
This commit is contained in:
gingerBill
2016-07-30 00:17:13 +01:00
parent 32ab8fcf99
commit 776dc0e8f1
20 changed files with 1843 additions and 507 deletions
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src/gb/gb.h
+57 -80
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@@ -1,4 +1,4 @@
/* gb.h - v0.26b - Ginger Bill's C Helper Library - public domain
/* gb.h - v0.26c - Ginger Bill's C Helper Library - public domain
- no warranty implied; use at your own risk
This is a single header file with a bunch of useful stuff
@@ -58,6 +58,7 @@ TODOS
- More date & time functions
VERSION HISTORY
0.26c - gb_str_to_f* fix
0.26b - Minor fixes
0.26a - gbString Fix
0.26 - Default allocator flags and generic hash table
@@ -6223,90 +6224,65 @@ gb_inline void gb_u64_to_str(u64 value, char *string, i32 base) {
}
gb_inline f32 gb_str_to_f32(char const *str, char **end_ptr) {
f32 result = 0.0f;
isize signed_exponent = 0;
char c;
for (c = *str; c != '\0' && gb_char_is_digit(c); c = *str++)
result = result*10.0f + (c-'0');
if (c == '.') {
for (c = *str++; c != '\0' && gb_char_is_digit(c); c = *str++) {
result = result*1.0f + (c-'0');
signed_exponent--;
}
}
if (c == 'e' || c == 'E') {
i64 sign = +1, i = 0;
c = *str++;
if (c == '+') {
c = *str++;
} else if (c == '-') {
c = *str++;
sign = -1;
}
while (gb_char_is_digit(c)) {
i = i*10 + (c-'0');
c = *str++;
}
signed_exponent += i*sign;
}
while (signed_exponent > 0) {
result *= 10.0f;
signed_exponent--;
}
while (signed_exponent < 0) {
result *= 0.1f;
signed_exponent++;
}
if (end_ptr) *end_ptr = cast(char *)str;
return result;
f64 f = gb_str_to_f64(str, end_ptr);
f32 r = cast(f32)f;
return r;
}
gb_inline f64 gb_str_to_f64(char const *str, char **end_ptr) {
f64 result = 0.0;
isize signed_exponent = 0;
char c;
for (c = *str; c != '\0' && gb_char_is_digit(c); c = *str++)
result = result*10.0 + (c-'0');
f64 result, value, sign, scale;
i32 frac;
while (gb_char_is_space(*str)) {
str++;
}
if (c == '.') {
for (c = *str; c != '\0' && gb_char_is_digit(c); c = *str++) {
result = result*1.0 + (c-'0');
signed_exponent--;
sign = 1.0;
if (*str == '-') {
sign = -1.0;
str++;
} else if (*str == '+') {
str++;
}
for (value = 0.0; gb_char_is_digit(*str); str++) {
value = value * 10.0 + (*str-'0');
}
if (*str == '.') {
f64 pow10 = 10.0;
str++;
while (gb_char_is_digit(*str)) {
value += (*str-'0') / pow10;
pow10 *= 10.0;
str++;
}
}
if (c == 'e' || c == 'E') {
i64 sign = +1, i = 0;
c = *str++;
if (c == '+') {
c = *str++;
} else if (c == '-') {
c = *str++;
sign = -1;
frac = 0;
scale = 1.0;
if ((*str == 'e') || (*str == 'E')) {
u32 exp;
str++;
if (*str == '-') {
frac = 1;
str++;
} else if (*str == '+') {
str++;
}
while (gb_char_is_digit(c)) {
i = i*10 + (c-'0');
c = *str++;
for (exp = 0; gb_char_is_digit(*str); str++) {
exp = exp * 10 + (*str-'0');
}
signed_exponent += i*sign;
if (exp > 308) exp = 308;
while (exp >= 50) { scale *= 1e50; exp -= 50; }
while (exp >= 8) { scale *= 1e8; exp -= 8; }
while (exp > 0) { scale *= 10.0; exp -= 1; }
}
while (signed_exponent > 0) {
result *= 10.0;
signed_exponent--;
}
while (signed_exponent < 0) {
result *= 0.1;
signed_exponent++;
}
result = sign * (frac ? (value / scale) : (value * scale));
if (end_ptr) *end_ptr = cast(char *)str;
@@ -8006,13 +7982,13 @@ gb_no_inline isize gb_snprintf_va(char *text, isize max_len, char const *fmt, va
if (*fmt == '%') {
do {
switch (*fmt++) {
case '-': info.flags |= gbFmt_Minus; fmt++; break;
case '+': info.flags |= gbFmt_Plus; fmt++; break;
case '#': info.flags |= gbFmt_Alt; fmt++; break;
case ' ': info.flags |= gbFmt_Space; fmt++; break;
case '0': info.flags |= gbFmt_Zero; fmt++; break;
default: info.flags |= gbFmt_Done; break;
switch (*++fmt) {
case '-': info.flags |= gbFmt_Minus; break;
case '+': info.flags |= gbFmt_Plus; break;
case '#': info.flags |= gbFmt_Alt; break;
case ' ': info.flags |= gbFmt_Space; break;
case '0': info.flags |= gbFmt_Zero; break;
default: info.flags |= gbFmt_Done; break;
}
} while (!(info.flags & gbFmt_Done));
}
@@ -8043,6 +8019,7 @@ gb_no_inline isize gb_snprintf_va(char *text, isize max_len, char const *fmt, va
info.flags &= ~gbFmt_Zero;
}
switch (*fmt++) {
case 'h':
if (*fmt == 'h') { // hh => char