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| author | Jin Guojie <jinguojie@loongson.cn> | 2017-01-05 12:57:46 +0800 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2017-01-06 10:03:54 -0800 |
| commit | bb08afe9f0aee1a3f5c23508e2511b882ca31e1b (patch) | |
| tree | 351a7eb593bfc57e2c88ef4bcf1865c4fedf2df4 /scripts/qapi.py | |
| parent | ffe22bf51065dd33022cf91f77a821d1f11c250d (diff) | |
| download | focaccia-qemu-bb08afe9f0aee1a3f5c23508e2511b882ca31e1b.tar.gz focaccia-qemu-bb08afe9f0aee1a3f5c23508e2511b882ca31e1b.zip | |
tcg-mips: Move bswap code to a subroutine
Without the mips32r2 instructions to perform swapping, bswap is quite large, dominating the size of each reverse-endian qemu_ld/qemu_st operation. Create a subroutine in the prologue block. The subroutine requires extra reserved registers (TCG_TMP[2, 3]). Using these within qemu_ld means that we need not place additional restrictions on the qemu_ld outputs. Tested-by: Aurelien Jarno <aurelien@aurel32.net> Tested-by: James Hogan <james.hogan@imgtec.com> Tested-by: YunQiang Su <wzssyqa@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Jin Guojie <jinguojie@loongson.cn> Message-Id: <1483592275-4496-2-git-send-email-jinguojie@loongson.cn>
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