target/s390x: Emulate CVB, CVBY and CVBG

Convert to Binary - counterparts of the already implemented Convert
to Decimal (CVD*) instructions.
Example from the Principles of Operation: 25594C becomes

target/s390x: Emulate CVB, CVBY and CVBG

Convert to Binary - counterparts of the already implemented Convert
to Decimal (CVD*) instructions.
Example from the Principles of Operation: 25594C becomes 63FA.

Co-developed-by: Pavel Zbitskiy <pavel.zbitskiy@gmail.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240205205830.6425-3-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

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target/s390x: Emulate CVDG

CVDG is the same as CVD, except that it converts 64 bits into 128,
rather than 32 into 64. Create a new helper, which uses Int128
wrappers.

Reported-by: Ido Plat <Ido.Pla

target/s390x: Emulate CVDG

CVDG is the same as CVD, except that it converts 64 bits into 128,
rather than 32 into 64. Create a new helper, which uses Int128
wrappers.

Reported-by: Ido Plat <Ido.Plat@ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240205205830.6425-2-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

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target/s390x: Use a single return for helper_divs64/u64

Pack the quotient and remainder into a single Int128.
Use the divu128 primitive to remove the cpu_abort on
32-bit hosts.

Reviewed-by: Philipp

target/s390x: Use a single return for helper_divs64/u64

Pack the quotient and remainder into a single Int128.
Use the divu128 primitive to remove the cpu_abort on
32-bit hosts.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v2: Extended div test case to cover these insns.

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target/s390x: Use a single return for helper_divs32/u32

Pack the quotient and remainder into a single uint64_t.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Hildenbran

target/s390x: Use a single return for helper_divs32/u32

Pack the quotient and remainder into a single uint64_t.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v2: Fix operand ordering; use tcg_extr32_i64.

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target/s390x: Use a single return for helper_divs64/u64

Pack the quotient and remainder into a single Int128.
Use the divu128 primitive to remove the cpu_abort on
32-bit hosts.

Reviewed-by: Philipp

target/s390x: Use a single return for helper_divs64/u64

Pack the quotient and remainder into a single Int128.
Use the divu128 primitive to remove the cpu_abort on
32-bit hosts.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v2: Extended div test case to cover these insns.

show more ...

target/s390x: Use a single return for helper_divs32/u32

Pack the quotient and remainder into a single uint64_t.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Hildenbran

target/s390x: Use a single return for helper_divs32/u32

Pack the quotient and remainder into a single uint64_t.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v2: Fix operand ordering; use tcg_extr32_i64.

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target/s390x: start moving TCG-only code to tcg/

move everything related to translate, as well as HELPER code in tcg/

mmu_helper.c stays put for now, as it contains both TCG and KVM code.

After th

target/s390x: start moving TCG-only code to tcg/

move everything related to translate, as well as HELPER code in tcg/

mmu_helper.c stays put for now, as it contains both TCG and KVM code.

After the reshuffling, update MAINTAINERS accordingly.
Make use of the new directory:

target/s390x/tcg/

Signed-off-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Cho, Yu-Chen <acho@suse.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210707105324.23400-8-acho@suse.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>

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