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From: Richard Earnshaw <rearnsha@arm.com>
To: <binutils@sourceware.org>
CC: <nickc@redhat.com>, Richard Earnshaw <rearnsha@arm.com>
Subject: [PATCH 00/11] arm: Remove FPA support from gas/binutils
Date: Mon, 3 Jun 2024 12:49:01 +0100
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arm: Remove FPA support from gas/binutils
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Message
Richard Earnshaw
June 3, 2024, 11:49 a.m. UTC
As trailed when removing the support for the Maverick co-processor (https://sourceware.org/pipermail/binutils/2024-May/133947.html), this patch series removes support for the FPA co-processor as well. Support for both co-processors was removed from GCC about 12 years ago. This patch set is slightly more involved than the one for Maverick though as it affects the default behaviour of the tools in a few cases, especially on coff-based targets where we do not default a default floating point format and pick the default up from the selected CPU. To avoid silent code changes I've opted to set the default for those cases such that they generate an error if the output might have changed when no FPA instructions were generated; this affects certain directives such as .float or .double, since the FPA had a different format for floating-point values. Richard Earnshaw (11): arm: remove FPA related tests arm: rename FPU_ARCH_VFP to FPU_ARCH_SOFTVFP arm: default to softvfp on armv6 or later cores arm: adjust FPU selection logic arm: redirect fp constant data directives through a wrapper arm: change default FPUs from FPA to none arm: remove options to select the FPA arm: remove FPA instructions from assembler arm: remove disassembly support for the FPA co-processor arm: minor documentation cleanup given removal of FPA NEWS: arm: note that FPA support has been removed binutils/NEWS | 4 + gas/config/tc-arm.c | 1056 +++-------------- gas/config/te-armeabi.h | 2 +- gas/config/te-armfbsdvfp.h | 2 +- gas/config/te-armlinuxeabi.h | 2 +- gas/config/te-nacl.h | 2 +- gas/doc/c-arm.texi | 12 +- gas/testsuite/gas/all/gas.exp | 2 + gas/testsuite/gas/arm/attr-mfpu-arm7500fe.d | 11 - gas/testsuite/gas/arm/attr-mfpu-fpa.d | 11 - gas/testsuite/gas/arm/attr-mfpu-fpa10.d | 11 - gas/testsuite/gas/arm/attr-mfpu-fpa11.d | 11 - gas/testsuite/gas/arm/attr-mfpu-fpe.d | 11 - gas/testsuite/gas/arm/attr-mfpu-fpe2.d | 11 - gas/testsuite/gas/arm/attr-mfpu-fpe3.d | 11 - gas/testsuite/gas/arm/attr-mfpu-softfpa.d | 11 - gas/testsuite/gas/arm/attr-override-mcpu.s | 2 +- gas/testsuite/gas/arm/bfloat16-directive-be.d | 2 +- gas/testsuite/gas/arm/bfloat16-directive-le.d | 2 +- .../gas/arm/copro-arm_v2plus-arm_v2.d | 6 +- .../arm/copro-thumb_v6t2plus-thumb_v6t2-1.d | 6 +- gas/testsuite/gas/arm/float.d | 131 -- gas/testsuite/gas/arm/float.s | 163 --- gas/testsuite/gas/arm/float16-bad.d | 1 + gas/testsuite/gas/arm/float16-be.d | 2 +- .../gas/arm/float16-format-opt-bad.d | 2 +- gas/testsuite/gas/arm/float16-le.d | 2 +- gas/testsuite/gas/arm/fp-directive-bad.d | 4 + gas/testsuite/gas/arm/fp-directive-bad.l | 7 + gas/testsuite/gas/arm/fp-directive.d | 9 + gas/testsuite/gas/arm/fp-directive.s | 7 + gas/testsuite/gas/arm/fp-save.d | 9 - gas/testsuite/gas/arm/fp-save.s | 4 - gas/testsuite/gas/arm/fpa-dyadic.d | 166 --- gas/testsuite/gas/arm/fpa-dyadic.s | 172 --- gas/testsuite/gas/arm/fpa-mem.d | 34 - gas/testsuite/gas/arm/fpa-mem.s | 32 - gas/testsuite/gas/arm/fpa-monadic.d | 202 ---- gas/testsuite/gas/arm/fpa-monadic.s | 210 ---- .../gas/arm/group-reloc-ldc-encoding-bad.l | 192 --- .../gas/arm/group-reloc-ldc-encoding-bad.s | 72 +- .../gas/arm/group-reloc-ldc-parsing-bad.l | 80 -- .../gas/arm/group-reloc-ldc-parsing-bad.s | 20 +- gas/testsuite/gas/arm/group-reloc-ldc.d | 336 ++---- gas/testsuite/gas/arm/group-reloc-ldc.s | 45 - gas/testsuite/gas/arm/le-fpconst.d | 11 - gas/testsuite/gas/arm/le-fpconst.s | 8 - include/opcode/arm.h | 12 +- opcodes/arm-dis.c | 197 +-- 49 files changed, 369 insertions(+), 2949 deletions(-) delete mode 100644 gas/testsuite/gas/arm/attr-mfpu-arm7500fe.d delete mode 100644 gas/testsuite/gas/arm/attr-mfpu-fpa.d delete mode 100644 gas/testsuite/gas/arm/attr-mfpu-fpa10.d delete mode 100644 gas/testsuite/gas/arm/attr-mfpu-fpa11.d delete mode 100644 gas/testsuite/gas/arm/attr-mfpu-fpe.d delete mode 100644 gas/testsuite/gas/arm/attr-mfpu-fpe2.d delete mode 100644 gas/testsuite/gas/arm/attr-mfpu-fpe3.d delete mode 100644 gas/testsuite/gas/arm/attr-mfpu-softfpa.d delete mode 100644 gas/testsuite/gas/arm/float.d delete mode 100644 gas/testsuite/gas/arm/float.s create mode 100644 gas/testsuite/gas/arm/fp-directive-bad.d create mode 100644 gas/testsuite/gas/arm/fp-directive-bad.l create mode 100644 gas/testsuite/gas/arm/fp-directive.d create mode 100644 gas/testsuite/gas/arm/fp-directive.s delete mode 100644 gas/testsuite/gas/arm/fp-save.d delete mode 100644 gas/testsuite/gas/arm/fp-save.s delete mode 100644 gas/testsuite/gas/arm/fpa-dyadic.d delete mode 100644 gas/testsuite/gas/arm/fpa-dyadic.s delete mode 100644 gas/testsuite/gas/arm/fpa-mem.d delete mode 100644 gas/testsuite/gas/arm/fpa-mem.s delete mode 100644 gas/testsuite/gas/arm/fpa-monadic.d delete mode 100644 gas/testsuite/gas/arm/fpa-monadic.s delete mode 100644 gas/testsuite/gas/arm/le-fpconst.d delete mode 100644 gas/testsuite/gas/arm/le-fpconst.s