From 30a38382e768b3113229585923e3f620cd23b375 Mon Sep 17 00:00:00 2001
From: Richard Sandiford <rsandifo@redhat.com>
Date: Mon, 19 May 2003 07:30:12 +0000
Subject: [PATCH] mips.c (mips_class_max_nregs): Return the number of words in
the mode.
* config/mips/mips.c (mips_class_max_nregs): Return the number of
words in the mode.
From-SVN: r66950
---
gcc/ChangeLog | 5 +++++
gcc/config/mips/mips.c | 15 ++++++++-------
2 files changed, 13 insertions(+), 7 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8765e3e35958..5d2013441d72 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-05-19 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.c (mips_class_max_nregs): Return the number of
+ words in the mode.
+
2003-05-19 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips.c (override_options): Disable explicit
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index 8474e473574b..258c7b029be8 100644
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -9014,18 +9014,19 @@ mips_secondary_reload_class (class, mode, x, in_p)
return NO_REGS;
}
-/* This function returns the maximum number of consecutive registers
- needed to represent mode MODE in registers of class CLASS. */
+/* Implement CLASS_MAX_NREGS.
+
+ Usually all registers are word-sized. The only supported exception
+ is -mgp64 -msingle-float, which has 64-bit words but 32-bit float
+ registers. A word-based calculation is correct even in that case,
+ since -msingle-float disallows multi-FPR values. */
int
mips_class_max_nregs (class, mode)
- enum reg_class class;
+ enum reg_class class ATTRIBUTE_UNUSED;
enum machine_mode mode;
{
- if (class == FP_REGS)
- return FP_INC;
- else
- return (GET_MODE_SIZE (mode) + UNITS_PER_WORD - 1) / UNITS_PER_WORD;
+ return (GET_MODE_SIZE (mode) + UNITS_PER_WORD - 1) / UNITS_PER_WORD;
}
bool
--
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