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[arm] Document missing -mfpu entries.

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Nick pointed out that I hadn't documented the new -mfpu option
neon-vfpv3 and mentioned that some others were missing.

Having looked through the list only one (neon-fp16) really should be
documented; the other two entries in the real table should not be
documented as they are aliases kept for legacy compatibility reasons.
This patch adds the missing entries and notes in the main table that
the other two entries should not be documented.

I've also fixed a small spelling error in the accompanying text.

	* config/tc-arm.c (arm_fpus): Note entires that should not be
	documented.
	* doc/c-arm.texi (-mfpu): Add missing FPU entries for neon-vfpv3 and
	neon-fp16.  Fix spelling error.
This commit is contained in:
Richard Earnshaw 2017-03-20 14:56:22 +00:00
parent d3375ddde4
commit d5e0ba9cdb
3 changed files with 13 additions and 4 deletions
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7
gas/ChangeLog
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@ -1,3 +1,10 @@
2017-03-20 Richard Earnshaw <rearnsha@arm.com>
* config/tc-arm.c (arm_fpus): Note entires that should not be
documented.
* doc/c-arm.texi (-mfpu): Add missing FPU entries for neon-vfpv3 and
neon-fp16. Fix spelling error.
2017-03-20 Richard Earnshaw <rearnsha@arm.com>
* config/tc-arm.c (arm_fpus): Add neon-vfpv3 as an alias for neon.

6
gas/config/tc-arm.c
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@ -25781,7 +25781,7 @@ static const struct arm_option_fpu_value_table arm_fpus[] =
{"softvfp+vfp", FPU_ARCH_VFP_V2},
{"vfp", FPU_ARCH_VFP_V2},
{"vfp9", FPU_ARCH_VFP_V2},
{"vfp3", FPU_ARCH_VFP_V3}, /* For backwards compatibility. */
{"vfp3", FPU_ARCH_VFP_V3}, /* Undocumented, use vfpv3. */
{"vfp10", FPU_ARCH_VFP_V2},
{"vfp10-r0", FPU_ARCH_VFP_V1},
{"vfpxd", FPU_ARCH_VFP_V1xD},
@ -25794,10 +25794,10 @@ static const struct arm_option_fpu_value_table arm_fpus[] =
{"vfpv3xd-fp16", FPU_ARCH_VFP_V3xD_FP16},
{"arm1020t", FPU_ARCH_VFP_V1},
{"arm1020e", FPU_ARCH_VFP_V2},
{"arm1136jfs", FPU_ARCH_VFP_V2},
{"arm1136jfs", FPU_ARCH_VFP_V2}, /* Undocumented, use arm1136jf-s. */
{"arm1136jf-s", FPU_ARCH_VFP_V2},
{"maverick", FPU_ARCH_MAVERICK},
{"neon", FPU_ARCH_VFP_V3_PLUS_NEON_V1},
{"neon", FPU_ARCH_VFP_V3_PLUS_NEON_V1},
{"neon-vfpv3", FPU_ARCH_VFP_V3_PLUS_NEON_V1},
{"neon-fp16", FPU_ARCH_NEON_FP16},
{"vfpv4", FPU_ARCH_VFP_V4},

4
gas/doc/c-arm.texi
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@ -285,6 +285,8 @@ The following format options are recognized:
@code{arm1136jf-s},
@code{maverick},
@code{neon},
@code{neon-vfpv3},
@code{neon-fp16},
@code{neon-vfpv4},
@code{neon-fp-armv8},
@code{crypto-neon-fp-armv8},
@ -297,7 +299,7 @@ also affects the way in which the @code{.double} assembler directive behaves
when assembling little-endian code.
The default is dependent on the processor selected. For Architecture 5 or
later, the default is to assembler for VFP instructions; for earlier
later, the default is to assemble for VFP instructions; for earlier
architectures the default is to assemble for FPA instructions.
@cindex @code{-mthumb} command line option, ARM