From: Stefan Weil <weil@mail.berlios.de>
To: QEMU Developers <qemu-devel@nongnu.org>
Subject: [Qemu-devel] [PATCH 0/5] Only one call output register needed for 64 bit hosts
Date: Mon, 5 Sep 2011 11:06:57 +0200 [thread overview]
Message-ID: <1315213622-7051-1-git-send-email-weil@mail.berlios.de> (raw)
The number of registers needed for the return value of TCG opcode
INDEX_op_call is calculated in function tcg_gen_callN (nb_rets).
It can be 0 or 1, for 32 bit hosts also 2 (return 64 bit value in
two 32 bit registers).
Some TCG implementations reserve 2 registers although only 1 is used.
The following patches fix this.
[PATCH 1/5] tcg/i386: Only one call output register needed for 64 bit hosts
[PATCH 2/5] tcg/ia64: Only one call output register needed for 64 bit hosts
[PATCH 3/5] tcg/s390: Only one call output register needed for 64 bit hosts
[PATCH 4/5] tcg/sparc: Only one call output register needed for 64 bit hosts
[PATCH 5/5] tcg/ppc64: Only one call output register needed for 64 bit hosts
next reply other threads:[~2011-09-05 9:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-05 9:06 Stefan Weil [this message]
2011-09-05 9:06 ` [Qemu-devel] [PATCH 1/5] tcg/i386: Only one call output register needed for 64 bit hosts Stefan Weil
2011-09-05 9:06 ` [Qemu-devel] [PATCH 2/5] tcg/ia64: " Stefan Weil
2011-09-05 9:07 ` [Qemu-devel] [PATCH 3/5] tcg/s390: " Stefan Weil
2011-09-07 11:32 ` Alexander Graf
2011-09-08 8:12 ` Richard Henderson
2011-09-05 9:07 ` [Qemu-devel] [PATCH 4/5] tcg/sparc: " Stefan Weil
2011-09-05 9:07 ` [Qemu-devel] [PATCH 5/5] tcg/ppc64: " Stefan Weil
2011-09-05 15:25 ` malc
2011-09-17 14:01 ` [Qemu-devel] [PATCH 0/5] " Stefan Weil
2011-09-17 18:51 ` Blue Swirl
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