| Message ID | 161761084874.267629.6627766310804625252.stgit@pasha-ThinkPad-X280 (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | target/nios2: fix page-fit instruction count | expand |
On 4/5/21 1:20 AM, Pavel Dovgalyuk wrote: > This patch fixes calculation of number of the instructions > that fit the current page. It prevents creation of the translation > blocks that cross the page boundaries. It is required for deterministic > exception generation in icount mode. > > Signed-off-by: Pavel Dovgalyuk<Pavel.Dovgalyuk@ispras.ru> > --- > target/nios2/translate.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/target/nios2/translate.c b/target/nios2/translate.c index 9824544eb3..399f22d938 100644 --- a/target/nios2/translate.c +++ b/target/nios2/translate.c @@ -829,7 +829,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) /* Set up instruction counts */ num_insns = 0; if (max_insns > 1) { - int page_insns = (TARGET_PAGE_SIZE - (tb->pc & TARGET_PAGE_MASK)) / 4; + int page_insns = (TARGET_PAGE_SIZE - (tb->pc & ~TARGET_PAGE_MASK)) / 4; if (max_insns > page_insns) { max_insns = page_insns; }
This patch fixes calculation of number of the instructions that fit the current page. It prevents creation of the translation blocks that cross the page boundaries. It is required for deterministic exception generation in icount mode. Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru> --- target/nios2/translate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)