s32_sub_safe      321 ext/uvector/uvector.c #define s32s32_sub(x, y, clamp)  s32_sub_safe(x, y, clamp)
s32_sub_safe      324 ext/uvector/uvector.c #define s32g_sub(x, y, clamp)    s32_sub_safe(x, y, clamp)
s32_sub_safe      331 ext/uvector/uvector.c #define s32g_sub(x, y, clamp)    s32_sub_safe(x, y, clamp)