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gallium/freedreno: move cast to avoid integer overflow

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Previously, the bitshift would be performed on a simple int (32 bits on
most systems), overflow, and then be cast to 64 bits.

CovID: 1362461
Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Eric Engestrom
2016-07-30 01:33:56 +01:00
committed by Rob Clark
parent 3563c4d161
commit a63bac9271
1 changed files with 2 additions and 2 deletions
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src/gallium/drivers/freedreno/a2xx/fd2_compiler.c
+2 -2
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@@ -402,10 +402,10 @@ add_src_reg(struct fd2_compile_context *ctx, struct ir2_instruction *alu,
swiz[3] = swiz_vals[src->SwizzleW];
swiz[4] = '\0';
if ((ctx->need_sync & (uint64_t)(1 << num)) &&
if ((ctx->need_sync & ((uint64_t)1 << num)) &&
!(flags & IR2_REG_CONST)) {
alu->sync = true;
ctx->need_sync &= ~(uint64_t)(1 << num);
ctx->need_sync &= ~((uint64_t)1 << num);
}
return ir2_reg_create(alu, num, swiz, flags);