From a5342656962b8b5a51307d537bd65d223b3f4a8e Mon Sep 17 00:00:00 2001 From: Richard Sandiford Date: Thu, 7 Aug 2003 08:24:55 +0000 Subject: [PATCH] * local-alloc.c (combine_regs): Fix comment typo. From-SVN: r70220 --- gcc/ChangeLog | 4 ++++ gcc/local-alloc.c | 4 ++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2aad0b387e4..43f50290fc8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2003-08-07 Richard Sandiford + + * local-alloc.c (combine_regs): Fix comment typo. + 2003-08-06 Zack Weinberg * c-decl.c (builtin_decls): Replace with first_builtin_decl diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c index 26cb7edaca3..c5c2506e9ca 100644 --- a/gcc/local-alloc.c +++ b/gcc/local-alloc.c @@ -1738,7 +1738,7 @@ qty_sugg_compare_1 (const void *q1p, const void *q2p) Combining registers means marking them as having the same quantity and adjusting the offsets within the quantity if either of - them is a SUBREG). + them is a SUBREG. We don't actually combine a hard reg with a pseudo; instead we just record the hard reg as the suggestion for the pseudo's quantity. @@ -1749,7 +1749,7 @@ qty_sugg_compare_1 (const void *q1p, const void *q2p) there is no REG_DEAD note on INSN. This occurs during the processing of REG_NO_CONFLICT blocks. - MAY_SAVE_COPYCOPY is nonzero if this insn is simply copying USEDREG to + MAY_SAVE_COPY is nonzero if this insn is simply copying USEDREG to SETREG or if the input and output must share a register. In that case, we record a hard reg suggestion in QTY_PHYS_COPY_SUGG. -- 2.30.2