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| From: | Philippe Mathieu-Daudé |
| Subject: | Re: [PATCH v2 3/9] accel/tcg: Support TCG_TARGET_SIGNED_ADDR32 for softmmu |
| Date: | Sun, 27 Feb 2022 23:32:47 +0100 |
| User-agent: | Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 |
On 27/2/22 03:04, Richard Henderson wrote:
When TCG_TARGET_SIGNED_ADDR32 is set, adjust the tlb addend to allow the 32-bit guest address to be sign extended within the 64-bit host register instead of zero extended. This will simplify tcg hosts like MIPS, RISC-V, and LoongArch, which naturally sign-extend 32-bit values, in contrast to x86_64 and AArch64 which zero-extend them. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- accel/tcg/cputlb.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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