2003-05-22 Rekha Bhintade <rekhad@kpitcummins.com>

[pf3gnuchains/gcc-fork.git] / gcc / config / sh / sh.h

diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h
index c751033..715365b 100644 (file)
--- a/gcc/config/sh/sh.h
+++ b/gcc/config/sh/sh.h
@@ -279,23 +279,23 @@ extern int target_flags;
 
 #define TARGET_SWITCHES                        \
 { {"1",                TARGET_NONE, "" },              \
-  {"1",                SELECT_SH1, "" },               \
+  {"1",                SELECT_SH1, "Generate SH1 code" },              \
   {"2",                TARGET_NONE, "" },              \
-  {"2",                SELECT_SH2, "" },               \
+  {"2",                SELECT_SH2, "Generate SH2 code" },              \
   {"2e",        TARGET_NONE, "" },             \
-  {"2e",        SELECT_SH2E, "" },             \
+  {"2e",        SELECT_SH2E, "Generate SH2e code" },           \
   {"3",                TARGET_NONE, "" },              \
-  {"3",                SELECT_SH3, "" },               \
+  {"3",                SELECT_SH3, "Generate SH3 code" },              \
   {"3e",       TARGET_NONE, "" },              \
-  {"3e",       SELECT_SH3E, "" },              \
+  {"3e",       SELECT_SH3E, "Generate SH3e code" },            \
   {"4-single-only",    TARGET_NONE, "" },      \
-  {"4-single-only",    SELECT_SH4_SINGLE_ONLY, "" },   \
+  {"4-single-only",    SELECT_SH4_SINGLE_ONLY, "Generate only single-precision SH4 code" },    \
   {"4-single", TARGET_NONE, "" },              \
-  {"4-single", SELECT_SH4_SINGLE, "" },        \
+  {"4-single", SELECT_SH4_SINGLE, "Generate default single-precision SH4 code" },      \
   {"4-nofpu",  TARGET_NONE, "" },              \
-  {"4-nofpu",  SELECT_SH4_NOFPU, "" },         \
+  {"4-nofpu",  SELECT_SH4_NOFPU, "Generate SH4 FPU-less code" },               \
   {"4",                TARGET_NONE, "" },              \
-  {"4",                SELECT_SH4, "" },               \
+  {"4",                SELECT_SH4, "Generate SH4 code" },              \
   {"5-64media",        TARGET_NONE, "" },              \
   {"5-64media", SELECT_SH5_64, "Generate 64-bit SHmedia code" }, \
   {"5-64media-nofpu", TARGET_NONE, "" },       \
@@ -308,21 +308,21 @@ extern int target_flags;
   {"5-compact",        SELECT_SH5_COMPACT, "Generate SHcompact code" }, \
   {"5-compact-nofpu", TARGET_NONE, "" },       \
   {"5-compact-nofpu", SELECT_SH5_COMPACT_NOFPU, "Generate FPU-less SHcompact code" }, \
-  {"b",                -LITTLE_ENDIAN_BIT, "" },       \
-  {"bigtable",         BIGTABLE_BIT, "" },             \
-  {"dalign",   DALIGN_BIT, "" },               \
+  {"b",                -LITTLE_ENDIAN_BIT, "Generate code in big endian mode" },       \
+  {"bigtable",         BIGTABLE_BIT, "Generate 32-bit offsets in switch tables" },             \
+  {"dalign",   DALIGN_BIT, "Aligns doubles at 64-bit boundaries" },            \
   {"fmovd",    FMOVD_BIT, "" },                \
-  {"hitachi",  HITACHI_BIT, "" },              \
-  {"nomacsave", NOMACSAVE_BIT, "" },           \
-  {"ieee",     IEEE_BIT, "" },                 \
+  {"hitachi",  HITACHI_BIT, "Follow Renesas (formerly Hitachi) / SuperH calling conventions" },                \
+  {"nomacsave", NOMACSAVE_BIT, "Mark MAC register as call-clobbered" },                \
+  {"ieee",     IEEE_BIT, "Increase the IEEE compliance for floating-point code" },                     \
   {"isize",    ISIZE_BIT, "" },                \
-  {"l",                LITTLE_ENDIAN_BIT, "" },        \
+  {"l",                LITTLE_ENDIAN_BIT, "Generate code in little endian mode" },     \
   {"no-ieee",          -IEEE_BIT, "" },                \
   {"padstruct", PADSTRUCT_BIT, "" },           \
-  {"prefergot",        PREFERGOT_BIT, "" },            \
-  {"relax",    RELAX_BIT, "" },                \
-  {"space",    SPACE_BIT, "" },                \
-  {"usermode", USERMODE_BIT, "" },             \
+  {"prefergot",        PREFERGOT_BIT, "Emit function-calls using global offset table when generating PIC" },           \
+  {"relax",    RELAX_BIT, "Shorten address references during linking" },               \
+  {"space",    SPACE_BIT, "Deprecated. Use -Os instead" },             \
+  {"usermode", USERMODE_BIT, "Generate library function call to invalidate instruction cache entries after fixing trampoline" },               \
   SUBTARGET_SWITCHES                            \
   {"",         TARGET_DEFAULT, "" }            \
 }