commit dff73565df46267296c9bee0589e1f106a07a5e2 Author: law Date: Wed Feb 14 07:21:11 2018 +0000 2018-02-14 Jozef Lawrynowicz 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/trunk@257653 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/config/msp430/msp430.c | 4 ++++ gcc/doc/rtl.texi | 5 +++-- gcc/genmodes.c | 1 + gcc/machmode.def | 1 + gcc/testsuite/gcc.target/msp430/pr79242.c | 11 +++++++++++ 5 files changed, 20 insertions(+), 2 deletions(-) --- a/gcc/config/msp430/msp430.c +++ b/gcc/config/msp430/msp430.c @@ -909,6 +909,8 @@ { if (mode == PSImode && msp430x) return 1; + if (mode == CPSImode && msp430x) + return 2; return ((GET_MODE_SIZE (mode) + UNITS_PER_WORD - 1) / UNITS_PER_WORD); } @@ -920,6 +922,8 @@ { if (mode == PSImode) return 2; + if (mode == CPSImode) + return 4; return msp430_hard_regno_nregs (regno, mode); } --- a/gcc/doc/rtl.texi +++ b/gcc/doc/rtl.texi @@ -1291,10 +1291,11 @@ @findex CDImode @findex CTImode @findex COImode -@item CQImode, CHImode, CSImode, CDImode, CTImode, COImode +@findex CPSImode +@item CQImode, CHImode, CSImode, CDImode, CTImode, COImode, CPSImode These modes stand for a complex number represented as a pair of integer values. The integer values are in @code{QImode}, @code{HImode}, -@code{SImode}, @code{DImode}, @code{TImode}, and @code{OImode}, +@code{SImode}, @code{DImode}, @code{TImode}, @code{OImode}, and @code{PSImode}, respectively. @findex BND32mode --- a/gcc/genmodes.c +++ b/gcc/genmodes.c @@ -116,6 +116,7 @@ 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 @@ /* Complex modes. */ COMPLEX_MODES (INT); +COMPLEX_MODES (PARTIAL_INT); COMPLEX_MODES (FLOAT); /* Decimal floating point modes. */ --- /dev/null +++ b/gcc/testsuite/gcc.target/msp430/pr79242.c @@ -0,0 +1,11 @@ +/* { dg-do compile } */ +/* { dg-skip-if "" { "*-*-*" } { "-mcpu=msp430" "-msmall" } { "" } } */ +/* { dg-options "-mcpu=msp430x" } */ + +typedef _Complex __int20 C; + +C +foo (C x, C y) +{ + return x + y; +}