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Re: [PATCH 0/5] Drop float32/float64 accessors used by gdbstub code
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [PATCH 0/5] Drop float32/float64 accessors used by gdbstub code |
Date: |
Mon, 8 Feb 2021 12:57:04 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 |
On 2/8/21 12:34 PM, Peter Maydell wrote:
> We used to make a distinction between 'float64'/'float32' types and
> the 'uint64_t'/'uint32_t' types, requiring special conversion
> operations to go between them. We've now dropped this distinction as
> unnecessary, and the 'float*' types remain primarily for
> documentation purposes when used in places like the function
> prototypes of TCG helper functions.
>
> This means that there's no need for special gdb_get_float64() and
> gdb_get_float32() functions to write float64 or float32 values to the
> GDB protocol buffer; we can just use gdb_get_reg64() and
> gdb_get_reg32().
>
> Similarly, for reading a value out of the GDB buffer into a float64
> or float32 we can use ldq_p() or ldl_p() and need not use ldfq_p()
> or ldfl_p().
>
> This patchseries drops the use of the gdb_get_float* and ldf*
> functions from the three targets that were using them, and then
> removes the now-unused functions from gdbstub.h and bswap.h.
>
> thanks
> -- PMM
>
> Peter Maydell (5):
> target/sh4: Drop use of gdb_get_float32() and ldfl_p()
> target/m68k: Drop use of gdb_get_float64() and ldfq_p()
> target/ppc: Drop use of gdb_get_float64() and ldfq_p()
> gdbstub: Remove unused gdb_get_float32() and gdb_get_float64()
> bswap.h: Remove unused float-access functions
>
> docs/devel/loads-stores.rst | 14 +++-----
> include/exec/cpu-all.h | 8 -----
> include/exec/gdbstub.h | 20 -----------
> include/qemu/bswap.h | 60 ---------------------------------
> target/m68k/helper.c | 5 ++-
> target/ppc/gdbstub.c | 8 ++---
> target/sh4/gdbstub.c | 8 ++---
> target/ppc/translate_init.c.inc | 4 +--
> 8 files changed, 17 insertions(+), 110 deletions(-)
Series:
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Thanks for the cleanup!
- [PATCH 0/5] Drop float32/float64 accessors used by gdbstub code, Peter Maydell, 2021/02/08
- [PATCH 2/5] target/m68k: Drop use of gdb_get_float64() and ldfq_p(), Peter Maydell, 2021/02/08
- [PATCH 4/5] gdbstub: Remove unused gdb_get_float32() and gdb_get_float64(), Peter Maydell, 2021/02/08
- [PATCH 3/5] target/ppc: Drop use of gdb_get_float64() and ldfq_p(), Peter Maydell, 2021/02/08
- [PATCH 1/5] target/sh4: Drop use of gdb_get_float32() and ldfl_p(), Peter Maydell, 2021/02/08
- [PATCH 5/5] bswap.h: Remove unused float-access functions, Peter Maydell, 2021/02/08
- Re: [PATCH 0/5] Drop float32/float64 accessors used by gdbstub code,
Philippe Mathieu-Daudé <=
- Re: [PATCH 0/5] Drop float32/float64 accessors used by gdbstub code, Alex Bennée, 2021/02/09