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[Qemu-devel] TCG: 128 bit ops?


From: Andreas Färber
Subject: [Qemu-devel] TCG: 128 bit ops?
Date: Thu, 4 Sep 2008 13:10:39 +0200

Hello,

Am I correct in seeing that TCG offers no i128 ops? Would this be useful to add to TCG, internally reusing the i64/i32 code? ppc needs 128-bit temporaries for Altivec instructions. It uses a union ppc_avr_t of (among others) two uint64_t.

Or should I just use two i64 temporaries with a local macro/helper?
It's not used much in ppc but I thought it might be useful to share with other architectures.

Andreas





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