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Fixed three instances of undefined behavior.

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This commit is contained in:
OBattler
2022-02-20 20:30:20 +01:00
parent 3b5be8b619
commit f19aaa14ae
3 changed files with 4 additions and 4 deletions
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2
src/codegen_new/codegen_ir_defs.h
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@@ -9,7 +9,7 @@
All registers must have been written back or discarded.
This should be used when calling external functions that may change any emulated
registers.*/
#define UOP_TYPE_BARRIER (1 << 31)
#define UOP_TYPE_BARRIER (1u << 31)
/*uOP is a barrier. All previous uOPs must have completed before this one executes.
All registers must have been written back, but do not have to be discarded.

2
src/pic.c
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@@ -222,7 +222,7 @@ find_best_interrupt(pic_t *dev)
if (dev == &pic2)
intr += 8;
if (cpu_fast_off_flags & (1 << intr))
if (cpu_fast_off_flags & (1u << intr))
cpu_fast_off_count = cpu_fast_off_val + 1;
}

4
src/video/vid_svga.c
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@@ -936,11 +936,11 @@ svga_init(const device_t *info, svga_t *svga, void *p, int memsize,
svga->dispontime = 1000ull << 32;
svga->dispofftime = 1000ull << 32;
svga->bpp = 8;
svga->vram = malloc(memsize);
svga->vram = calloc(memsize, 1);
svga->vram_max = memsize;
svga->vram_display_mask = svga->vram_mask = memsize - 1;
svga->decode_mask = 0x7fffff;
svga->changedvram = malloc(memsize >> 12);
svga->changedvram = calloc(memsize >> 12, 1);
svga->recalctimings_ex = recalctimings_ex;
svga->video_in = video_in;
svga->video_out = video_out;