Back at 2618fps

1 files changed, 7 insertions, 5 deletions

diff --git a/ppu.c b/ppu.c
index cc223b7..cef45fa 100644
--- a/ppu.c
+++ b/ppu.c
@@ -11,14 +11,14 @@ static uint8_t __attribute__((aligned(64))) ppu_bitreverse_lut[256] = {
 #undef R6
 
 static void ppu_reset(struct nes_state *state) {
-	struct ppu_state *ppu = &state->ppu;
+	struct ppu_state *restrict ppu = &state->ppu;
 	memset(ppu, 0, sizeof(struct ppu_state));
 }
 
 
 __attribute__((always_inline, hot))
 static inline void ppu_evaluate_sprites(struct nes_state *state) {
-	struct ppu_state *ppu = &state->ppu;
+	struct ppu_state *restrict ppu = &state->ppu;
 	uint8_t sprite_height = (ppu->reg_ctrl & 0x20) ? 16 : 8;
 	uint8_t n = 0;
 
@@ -52,7 +52,7 @@ static inline void ppu_evaluate_sprites(struct nes_state *state) {
 
 __attribute__((always_inline, hot))
 static inline void ppu_fetch_sprite_patterns(struct nes_state *state) {
-	struct ppu_state *ppu = &state->ppu;
+	struct ppu_state *restrict ppu = &state->ppu;
 	uint32_t addr;
 	uint32_t bank;
 
@@ -87,6 +87,7 @@ static inline void ppu_fetch_sprite_patterns(struct nes_state *state) {
 
 		ppu->sprite_shift_lo[i] = lsb;
 		ppu->sprite_shift_hi[i] = msb;
+
 		ppu->sprite_positions[i] = x;
 		ppu->sprite_priorities[i] = attr & 0x20;
 		s += 4;
@@ -95,7 +96,7 @@ static inline void ppu_fetch_sprite_patterns(struct nes_state *state) {
 
 __attribute__((always_inline, hot))
 static inline void ppu_render_pixel(struct nes_state *state) {
-	struct ppu_state *ppu = &state->ppu;
+	struct ppu_state *restrict ppu = &state->ppu;
 
 	uint32_t x = ppu->dot - 1;
 	uint32_t y = ppu->scanline;
@@ -160,7 +161,8 @@ static inline void ppu_render_pixel(struct nes_state *state) {
 
 __attribute__((hot, flatten))
 static void ppu_tick(struct nes_state *state) {
-	struct ppu_state *ppu = &state->ppu;
+	struct ppu_state *restrict ppu = &state->ppu;
+
 
 	uint32_t dot = ppu->dot;
 	uint32_t scanline = ppu->scanline;