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-rw-r--r--gcc/doc/md.texi14
1 files changed, 13 insertions, 1 deletions
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index f6a710df7cf..98c1c8da5ec 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -2126,6 +2126,18 @@ VSX vector register to hold vector float data or NO_REGS.
@item wg
If @option{-mmfpgpr} was used, a floating point register or NO_REGS.
+@item wh
+Floating point register if direct moves are available, or NO_REGS.
+
+@item wi
+FP or VSX register to hold 64-bit integers for VSX insns or NO_REGS.
+
+@item wj
+FP or VSX register to hold 64-bit integers for direct moves or NO_REGS.
+
+@item wk
+FP or VSX register to hold 64-bit doubles for direct moves or NO_REGS.
+
@item wl
Floating point register if the LFIWAX instruction is enabled or NO_REGS.
@@ -2157,7 +2169,7 @@ FP or VSX register to perform float operations under @option{-mvsx} or NO_REGS.
Floating point register if the STFIWX instruction is enabled or NO_REGS.
@item wy
-VSX vector register to hold scalar float values or NO_REGS.
+FP or VSX register to perform ISA 2.07 float ops or NO_REGS.
@item wz
Floating point register if the LFIWZX instruction is enabled or NO_REGS.