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Changement de la multiplication dans invaders

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Afin d'éviter les problèmes d'édition de liens avec l'option -Os sous gcc-15
This commit is contained in:
Frederic Petrot
2025-11-04 22:29:10 +01:00
parent 35bdeb2fd0
commit fa03cb14d8
1 changed files with 3 additions and 3 deletions
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6
bench/invaders.c
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@@ -132,11 +132,11 @@ static volatile uint32_t *timer_lo = (volatile uint32_t *)CLINT_TIMER_LOW;
static volatile uint32_t *timer_cmp_hi = (volatile uint32_t *)CLINT_TIMER_CMP_HI; static volatile uint32_t *timer_cmp_hi = (volatile uint32_t *)CLINT_TIMER_CMP_HI;
static volatile uint32_t *timer_cmp_lo = (volatile uint32_t *)CLINT_TIMER_CMP_LO; static volatile uint32_t *timer_cmp_lo = (volatile uint32_t *)CLINT_TIMER_CMP_LO;
uint32_t mult(uint64_t x, uint64_t y) uint64_t mult(uint32_t x, uint32_t y)
{ {
uint64_t res = 0; uint64_t res = 0;
while (y != 0) { while (y != 0) {
if (y % 2 == 1) { if (y & 1) {
res += x; res += x;
} }
x <<= 1; x <<= 1;
@@ -148,7 +148,7 @@ uint32_t mult(uint64_t x, uint64_t y)
void timer_set(uint32_t period, uint32_t time) void timer_set(uint32_t period, uint32_t time)
{ {
uint64_t now = *timer; uint64_t now = *timer;
*timer_cmp = now + mult(((uint64_t)period >> 8), time); *timer_cmp = now + mult(period >> 8, time);
} }
void timer_wait(void) void timer_wait(void)