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authorOleg Endo <olegendo@gcc.gnu.org>2014-08-15 22:55:47 +0000
committerOleg Endo <olegendo@gcc.gnu.org>2014-08-15 22:55:47 +0000
commita03b75b1d26052d99b7d3dddf92babecff63db04 (patch)
treef461cfd0b2066deea4292a289f1ff1c36b84bae4 /gcc/doc
parent2b14490e737ecc16e2411d466afd21ac95b3bc05 (diff)
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invoke.texi (SH options): Document missing processor variant options.
gcc/ * doc/invoke.texi (SH options): Document missing processor variant options. Remove references to Hitachi. Undocument deprecated mspace option. From-SVN: r214050
Diffstat (limited to 'gcc/doc')
-rw-r--r--gcc/doc/invoke.texi107
1 files changed, 96 insertions, 11 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 91377fa..6374261 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -20704,6 +20704,72 @@ single-precision mode by default.
@opindex m4
Generate code for the SH4.
+@item -m4-100
+@opindex m4-100
+Generate code for SH4-100.
+
+@item -m4-100-nofpu
+@opindex m4-100-nofpu
+Generate code for SH4-100 in such a way that the
+floating-point unit is not used.
+
+@item -m4-100-single
+@opindex m4-100-single
+Generate code for SH4-100 assuming the floating-point unit is in
+single-precision mode by default.
+
+@item -m4-100-single-only
+@opindex m4-100-single-only
+Generate code for SH4-100 in such a way that no double-precision
+floating-point operations are used.
+
+@item -m4-200
+@opindex m4-200
+Generate code for SH4-200.
+
+@item -m4-200-nofpu
+@opindex m4-200-nofpu
+Generate code for SH4-200 without in such a way that the
+floating-point unit is not used.
+
+@item -m4-200-single
+@opindex m4-200-single
+Generate code for SH4-200 assuming the floating-point unit is in
+single-precision mode by default.
+
+@item -m4-200-single-only
+@opindex m4-200-single-only
+Generate code for SH4-200 in such a way that no double-precision
+floating-point operations are used.
+
+@item -m4-300
+@opindex m4-300
+Generate code for SH4-300.
+
+@item -m4-300-nofpu
+@opindex m4-300-nofpu
+Generate code for SH4-300 without in such a way that the
+floating-point unit is not used.
+
+@item -m4-300-single
+@opindex m4-300-single
+Generate code for SH4-300 in such a way that no double-precision
+floating-point operations are used.
+
+@item -m4-300-single-only
+@opindex m4-300-single-only
+Generate code for SH4-300 in such a way that no double-precision
+floating-point operations are used.
+
+@item -m4-340
+@opindex m4-340
+Generate code for SH4-340 (no MMU, no FPU).
+
+@item -m4-500
+@opindex m4-500
+Generate code for SH4-500 (no FPU). Passes @option{-isa=sh4-nofpu} to the
+assembler.
+
@item -m4a-nofpu
@opindex m4a-nofpu
Generate code for the SH4al-dsp, or for a SH4a in such a way that the
@@ -20729,6 +20795,33 @@ Same as @option{-m4a-nofpu}, except that it implicitly passes
@option{-dsp} to the assembler. GCC doesn't generate any DSP
instructions at the moment.
+@item -m5-32media
+@opindex m5-32media
+Generate 32-bit code for SHmedia.
+
+@item -m5-32media-nofpu
+@opindex m5-32media-nofpu
+Generate 32-bit code for SHmedia in such a way that the
+floating-point unit is not used.
+
+@item -m5-64media
+@opindex m5-64media
+Generate 64-bit code for SHmedia.
+
+@item -m5-64media-nofpu
+@opindex m5-64media-nofpu
+Generate 64-bit code for SHmedia in such a way that the
+floating-point unit is not used.
+
+@item -m5-compact
+@opindex m5-compact
+Generate code for SHcompact.
+
+@item -m5-compact-nofpu
+@opindex m5-compact-nofpu
+Generate code for SHcompact in such a way that the
+floating-point unit is not used.
+
@item -mb
@opindex mb
Compile code for the processor in big-endian mode.
@@ -20762,16 +20855,12 @@ Enable the use of bit manipulation instructions on SH2A.
Enable the use of the instruction @code{fmovd}. Check @option{-mdalign} for
alignment constraints.
-@item -mhitachi
-@opindex mhitachi
-Comply with the calling conventions defined by Renesas.
-
@item -mrenesas
-@opindex mhitachi
+@opindex mrenesas
Comply with the calling conventions defined by Renesas.
@item -mno-renesas
-@opindex mhitachi
+@opindex mno-renesas
Comply with the calling conventions defined for GCC before the Renesas
conventions were available. This option is the default for all
targets of the SH toolchain.
@@ -20779,7 +20868,7 @@ targets of the SH toolchain.
@item -mnomacsave
@opindex mnomacsave
Mark the @code{MAC} register as call-clobbered, even if
-@option{-mhitachi} is given.
+@option{-mrenesas} is given.
@item -mieee
@itemx -mno-ieee
@@ -20885,10 +20974,6 @@ that are implied by the @code{tas.b} instruction. On multi-core SH4A
processors the @code{tas.b} instruction must be used with caution since it
can result in data corruption for certain cache configurations.
-@item -mspace
-@opindex mspace
-Optimize for space instead of speed. Implied by @option{-Os}.
-
@item -mprefergot
@opindex mprefergot
When generating position-independent code, emit function calls using