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https://bugs.gentoo.org/664014
https://gcc.gnu.org/PR79242
From 59f5415b4462a60d9f2dd6dc5229247da183b9fc Mon Sep 17 00:00:00 2001
From: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sat, 17 Feb 2018 00:25:15 +0000
Subject: [PATCH] 2018-02-16 Jozef Lawrynowicz <jozefl.gcc@gmail.com>
PR target/79242
* machmode.def: Define a complex mode for PARTIAL_INT.
* genmodes.c (complex_class): Return MODE_COMPLEX_INT for
MODE_PARTIAL_INT.
* doc/rtl.texi: Document CSPImode.
* config/msp430/msp430.c (msp430_hard_regno_nregs): Add CPSImode
handling.
(msp430_hard_regno_nregs_with_padding): Likewise.
PR target/79242
gcc.target/msp430/pr79242.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@257779 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 11 +++++++++++
gcc/config/msp430/msp430.c | 4 ++++
gcc/doc/rtl.texi | 5 +++--
gcc/genmodes.c | 1 +
gcc/machmode.def | 1 +
gcc/testsuite/ChangeLog | 5 +++++
gcc/testsuite/gcc.target/msp430/pr79242.c | 11 +++++++++++
7 files changed, 36 insertions(+), 2 deletions(-)
create mode 100644 gcc/testsuite/gcc.target/msp430/pr79242.c
--- a/gcc/config/msp430/msp430.c
+++ b/gcc/config/msp430/msp430.c
@@ -905,6 +905,8 @@ msp430_hard_regno_nregs (int regno ATTRIBUTE_UNUSED,
{
if (mode == PSImode && msp430x)
return 1;
+ if (mode == CPSImode && msp430x)
+ return 2;
return ((GET_MODE_SIZE (mode) + UNITS_PER_WORD - 1)
/ UNITS_PER_WORD);
}
@@ -927,6 +929,8 @@ msp430_hard_regno_nregs_with_padding (int regno ATTRIBUTE_UNUSED,
{
if (mode == PSImode)
return 2;
+ if (mode == CPSImode)
+ return 4;
return msp430_hard_regno_nregs (regno, mode);
}
--- a/gcc/genmodes.c
+++ b/gcc/genmodes.c
@@ -116,6 +116,7 @@ complex_class (enum mode_class c)
switch (c)
{
case MODE_INT: return MODE_COMPLEX_INT;
+ case MODE_PARTIAL_INT: return MODE_COMPLEX_INT;
case MODE_FLOAT: return MODE_COMPLEX_FLOAT;
default:
error ("no complex class for class %s", mode_class_names[c]);
--- a/gcc/machmode.def
+++ b/gcc/machmode.def
@@ -243,6 +243,7 @@ UACCUM_MODE (UTA, 16, 64, 64); /* 64.64 */
/* Complex modes. */
COMPLEX_MODES (INT);
+COMPLEX_MODES (PARTIAL_INT);
COMPLEX_MODES (FLOAT);
/* Decimal floating point modes. */
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