From: Blue Swirl Date: Wed, 13 Oct 2010 18:38:08 +0000 (+0000) Subject: i386: avoid a write only variable X-Git-Tag: TizenStudio_2.0_p2.3.2~208^2~7086 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4581cbcdc3c70fa94c729da7e25c6a152936cfd3;p=sdk%2Femulator%2Fqemu.git i386: avoid a write only variable Compiling with GCC 4.6.0 20100925 produced warnings: /src/qemu/target-i386/op_helper.c: In function 'switch_tss': /src/qemu/target-i386/op_helper.c:283:53: error: variable 'new_trap' set but not used [-Werror=unused-but-set-variable] Fix by adding a dummy cast so that the variable is not unused. Add also pointer to docs. Signed-off-by: Blue Swirl --- diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c index ec6b3e9..43fbd0c 100644 --- a/target-i386/op_helper.c +++ b/target-i386/op_helper.c @@ -349,6 +349,10 @@ static void switch_tss(int tss_selector, new_segs[R_GS] = 0; new_trap = 0; } + /* XXX: avoid a compiler warning, see + http://support.amd.com/us/Processor_TechDocs/24593.pdf + chapters 12.2.5 and 13.2.4 on how to implement TSS Trap bit */ + (void)new_trap; /* NOTE: we must avoid memory exceptions during the task switch, so we make dummy accesses before */