qemu-e2k

Author SHA1 Message Date

Author	SHA1	Message	Date
Richard Henderson	aeee05f53a	tcg: Restart TB generation after out-of-line ldst overflow This is part c of relocation overflow handling. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>	2019-04-24 13:05:28 -07:00
Laurent Vivier	6001f7729e	tcg: workaround branch instruction overflow in tcg_out_qemu_ld/st ppc64 uses a BC instruction to call the tcg_out_qemu_ld/st slow path. BC instruction uses a relative address encoded on 14 bits. The slow path functions are added at the end of the generated instructions buffer, in the reverse order of the callers. So more we have slow path functions more the distance between the caller (BC) and the function increases. This patch changes the behavior to generate the functions in the same order of the callers. Cc: qemu-stable@nongnu.org Fixes: `15fa08f845` ("tcg: Dynamically allocate TCGOps") Signed-off-by: Laurent Vivier <lvivier@redhat.com> Message-Id: <20180429235840.16659-1-lvivier@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>	2018-05-01 11:56:55 -07:00
Richard Henderson	659ef5cbb8	tcg: Rearrange ldst label tracking Dispense with TCGBackendData, as it has never been used for more than holding a single pointer. Use a define in the cpu/tcg-target.h to signal requirement for TCGLabelQemuLdst, so that we can drop the no-op tcg-be-null.h stubs. Rename tcg-be-ldst.h to tcg-ldst.inc.c. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Richard Henderson <rth@twiddle.net>	2017-09-07 11:57:35 -07:00

Richard Henderson

aeee05f53a

tcg: Restart TB generation after out-of-line ldst overflow

This is part c of relocation overflow handling.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

2019-04-24 13:05:28 -07:00

Laurent Vivier

6001f7729e

tcg: workaround branch instruction overflow in tcg_out_qemu_ld/st

ppc64 uses a BC instruction to call the tcg_out_qemu_ld/st
slow path. BC instruction uses a relative address encoded
on 14 bits.

The slow path functions are added at the end of the generated
instructions buffer, in the reverse order of the callers.
So more we have slow path functions more the distance between
the caller (BC) and the function increases.

This patch changes the behavior to generate the functions in
the same order of the callers.

Cc: qemu-stable@nongnu.org
Fixes: 15fa08f845 ("tcg: Dynamically allocate TCGOps")
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20180429235840.16659-1-lvivier@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

2018-05-01 11:56:55 -07:00

Richard Henderson

659ef5cbb8

tcg: Rearrange ldst label tracking

Dispense with TCGBackendData, as it has never been used for more than
holding a single pointer.  Use a define in the cpu/tcg-target.h to
signal requirement for TCGLabelQemuLdst, so that we can drop the no-op
tcg-be-null.h stubs.  Rename tcg-be-ldst.h to tcg-ldst.inc.c.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>

2017-09-07 11:57:35 -07:00

3 Commits