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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH 25/26] target/s390x: implement TRANSLATE ONE/TWO TO ONE/TWO |
Date: | Fri, 26 May 2017 10:10:35 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 |
On 05/25/2017 02:05 PM, Aurelien Jarno wrote:
+uint32_t HELPER(trXX)(CPUS390XState *env, uint32_t r1, uint32_t r2, + uint32_t sizes) +{ + uintptr_t ra = GETPC(); + int dsize = (sizes & 1) ? 1 : 2; + int ssize = (sizes & 2) ? 1 : 2; + uint16_t tst = env->regs[0] & ((1 << (8 * dsize)) - 1);
I think you should pass in tst as an argument. That way you can pass in an out-of-band value when we implement ETF2 and test field M3 bit 3.
r~
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