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Re: [Qemu-devel] [PATCH 08/10] target-tricore: add FCALL instructions of

From: Bastian Koppelmann
Subject: Re: [Qemu-devel] [PATCH 08/10] target-tricore: add FCALL instructions of the v1.6 ISA
Date: Fri, 22 May 2015 10:08:28 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.7.0

On 05/21/2015 07:28 PM, Richard Henderson wrote:
On 05/13/2015 02:45 AM, Bastian Koppelmann wrote:
+static void gen_fcall_save_ctx(DisasContext *ctx)
+    tcg_gen_addi_tl(cpu_gpr_a[10], cpu_gpr_a[10], -4);
+    tcg_gen_qemu_st_tl(cpu_gpr_a[11], cpu_gpr_a[10], ctx->mem_idx, MO_LESL);
+    tcg_gen_movi_tl(cpu_gpr_a[11], ctx->next_pc);
Does a[10] really get updated if the store traps?
Good catch! It does not and a tmp is required.


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