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MIPS PATCH: additional mips16 hard float library support
- From: Sandra Loosemore <sandra at codesourcery dot com>
- To: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 31 Jul 2007 22:38:25 -0400
- Subject: MIPS PATCH: additional mips16 hard float library support
This patch adds mips16 library support for unordered float/double comparisons
and conversions to float/double from unsigned. Tests clean on both mips32r2 and
mips64. OK to commit?
-Sandra
2007-07-31 Sandra Loosemore <sandra@codesourcery.com>
David Ung <davidu@mips.com>
gcc/
* config/mips/mips16.S (__mips16_unordsf2, __mips16_floatunsisf): New.
(__mips16_unorddf2, __mips16_floatunsidf): New.
* config/mips/mips.c (mips_init_libfuncs): Add optab entries for
above functions.
* config/mips/t-elf (LIB1ASMFUNCS): Add new functions.
* config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
* config/mips/t-r3900 (LIB1ASMFUNCS): Likewise.
Index: gcc/config/mips/mips16.S
===================================================================
*** gcc/config/mips/mips16.S (revision 127069)
--- gcc/config/mips/mips16.S (working copy)
*************** CMPSF (__mips16_lesf2, c.le.s, 0, 1)
*** 286,291 ****
--- 286,295 ----
#ifdef L_m16ltsf2
CMPSF (__mips16_ltsf2, c.lt.s, -1, 0)
#endif
+ #ifdef L_m16unordsf2
+ CMPSF(__mips16_unordsf2, c.un.s, 1, 0)
+ #endif
+
/* Single-precision conversions. */
*************** STARTFN (__mips16_floatsisf)
*** 297,302 ****
--- 301,321 ----
ENDFN (__mips16_floatsisf)
#endif
+ #ifdef L_m16fltunsisf
+ STARTFN (__mips16_floatunsisf)
+ bltz $4,1f
+ j __mips16_floatsisf
+ 1:
+ and $2,$4,1
+ srl $3,$4,1
+ or $2,$2,$3
+ mtc1 $2,RET
+ cvt.s.w RET,RET
+ add.s RET,RET,RET
+ MOVE_SF_RET (f, $31)
+ ENDFN (__mips16_floatunsisf)
+ #endif
+
#ifdef L_m16fix_truncsfsi
STARTFN (__mips16_fix_truncsfsi)
MOVE_SF_BYTE0 (t)
*************** CMPDF (__mips16_ledf2, c.le.d, 0, 1)
*** 420,425 ****
--- 439,447 ----
#ifdef L_m16ltdf2
CMPDF (__mips16_ltdf2, c.lt.d, -1, 0)
#endif
+ #ifdef L_m16unorddf2
+ CMPDF(__mips16_unorddf2, c.un.d, 1, 0)
+ #endif
/* Double-precision conversions. */
*************** STARTFN (__mips16_floatsidf)
*** 430,436 ****
MOVE_DF_RET (f, $31)
ENDFN (__mips16_floatsidf)
#endif
!
#ifdef L_m16fix_truncdfsi
STARTFN (__mips16_fix_truncdfsi)
MOVE_DF_BYTE0 (t)
--- 452,469 ----
MOVE_DF_RET (f, $31)
ENDFN (__mips16_floatsidf)
#endif
!
! #ifdef L_m16fltunsidf
! STARTFN (__mips16_floatunsidf)
! MOVE_SI_BYTE0 (t)
! cvt.d.w RET,ARG1
! bgez $4,1f
! li.d ARG1, 4.294967296e+9
! add.d RET, RET, ARG1
! 1: MOVE_DF_RET (f, $31)
! ENDFN (__mips16_floatunsidf)
! #endif
!
#ifdef L_m16fix_truncdfsi
STARTFN (__mips16_fix_truncdfsi)
MOVE_DF_BYTE0 (t)
Index: gcc/config/mips/mips.c
===================================================================
*** gcc/config/mips/mips.c (revision 127069)
--- gcc/config/mips/mips.c (working copy)
*************** mips_init_libfuncs (void)
*** 10115,10123 ****
--- 10115,10125 ----
set_optab_libfunc (ge_optab, SFmode, "__mips16_gesf2");
set_optab_libfunc (lt_optab, SFmode, "__mips16_ltsf2");
set_optab_libfunc (le_optab, SFmode, "__mips16_lesf2");
+ set_optab_libfunc (unord_optab, SFmode, "__mips16_unordsf2");
set_conv_libfunc (sfix_optab, SImode, SFmode, "__mips16_fix_truncsfsi");
set_conv_libfunc (sfloat_optab, SFmode, SImode, "__mips16_floatsisf");
+ set_conv_libfunc (ufloat_optab, SFmode, SImode, "__mips16_floatunsisf");
if (TARGET_DOUBLE_FLOAT)
{
*************** mips_init_libfuncs (void)
*** 10132,10143 ****
--- 10134,10147 ----
set_optab_libfunc (ge_optab, DFmode, "__mips16_gedf2");
set_optab_libfunc (lt_optab, DFmode, "__mips16_ltdf2");
set_optab_libfunc (le_optab, DFmode, "__mips16_ledf2");
+ set_optab_libfunc (unord_optab, DFmode, "__mips16_unorddf2");
set_conv_libfunc (sext_optab, DFmode, SFmode, "__mips16_extendsfdf2");
set_conv_libfunc (trunc_optab, SFmode, DFmode, "__mips16_truncdfsf2");
set_conv_libfunc (sfix_optab, SImode, DFmode, "__mips16_fix_truncdfsi");
set_conv_libfunc (sfloat_optab, DFmode, SImode, "__mips16_floatsidf");
+ set_conv_libfunc (ufloat_optab, DFmode, SImode, "__mips16_floatunsidf");
}
}
else
Index: gcc/config/mips/t-elf
===================================================================
*** gcc/config/mips/t-elf (revision 127069)
--- gcc/config/mips/t-elf (working copy)
*************** $(T)crtn.o: $(srcdir)/config/mips/crtn.a
*** 13,23 ****
LIB1ASMSRC = mips/mips16.S
LIB1ASMFUNCS = _m16addsf3 _m16subsf3 _m16mulsf3 _m16divsf3 \
_m16eqsf2 _m16nesf2 _m16gtsf2 _m16gesf2 _m16lesf2 _m16ltsf2 \
! _m16fltsisf _m16fix_truncsfsi \
_m16adddf3 _m16subdf3 _m16muldf3 _m16divdf3 \
_m16extsfdf2 _m16trdfsf2 \
_m16eqdf2 _m16nedf2 _m16gtdf2 _m16gedf2 _m16ledf2 _m16ltdf2 \
! _m16fltsidf _m16fix_truncdfsi \
_m16retsf _m16retdf \
_m16retsc _m16retdc \
_m16stub1 _m16stub2 _m16stub5 _m16stub6 _m16stub9 _m16stub10 \
--- 13,25 ----
LIB1ASMSRC = mips/mips16.S
LIB1ASMFUNCS = _m16addsf3 _m16subsf3 _m16mulsf3 _m16divsf3 \
_m16eqsf2 _m16nesf2 _m16gtsf2 _m16gesf2 _m16lesf2 _m16ltsf2 \
! _m16unordsf2 \
! _m16fltsisf _m16fix_truncsfsi _m16fltunsisf \
_m16adddf3 _m16subdf3 _m16muldf3 _m16divdf3 \
_m16extsfdf2 _m16trdfsf2 \
_m16eqdf2 _m16nedf2 _m16gtdf2 _m16gedf2 _m16ledf2 _m16ltdf2 \
! _m16unorddf2 \
! _m16fltsidf _m16fix_truncdfsi _m16fltunsidf \
_m16retsf _m16retdf \
_m16retsc _m16retdc \
_m16stub1 _m16stub2 _m16stub5 _m16stub6 _m16stub9 _m16stub10 \
Index: gcc/config/mips/t-isa3264
===================================================================
*** gcc/config/mips/t-isa3264 (revision 127069)
--- gcc/config/mips/t-isa3264 (working copy)
*************** $(T)crtn.o: $(srcdir)/config/mips/crtn.a
*** 13,23 ****
LIB1ASMSRC = mips/mips16.S
LIB1ASMFUNCS = _m16addsf3 _m16subsf3 _m16mulsf3 _m16divsf3 \
_m16eqsf2 _m16nesf2 _m16gtsf2 _m16gesf2 _m16lesf2 _m16ltsf2 \
! _m16fltsisf _m16fix_truncsfsi \
_m16adddf3 _m16subdf3 _m16muldf3 _m16divdf3 \
_m16extsfdf2 _m16trdfsf2 \
_m16eqdf2 _m16nedf2 _m16gtdf2 _m16gedf2 _m16ledf2 _m16ltdf2 \
! _m16fltsidf _m16fix_truncdfsi \
_m16retsf _m16retdf \
_m16retsc _m16retdc \
_m16stub1 _m16stub2 _m16stub5 _m16stub6 _m16stub9 _m16stub10 \
--- 13,25 ----
LIB1ASMSRC = mips/mips16.S
LIB1ASMFUNCS = _m16addsf3 _m16subsf3 _m16mulsf3 _m16divsf3 \
_m16eqsf2 _m16nesf2 _m16gtsf2 _m16gesf2 _m16lesf2 _m16ltsf2 \
! _m16unordsf2 \
! _m16fltsisf _m16fix_truncsfsi _m16fltunsisf \
_m16adddf3 _m16subdf3 _m16muldf3 _m16divdf3 \
_m16extsfdf2 _m16trdfsf2 \
_m16eqdf2 _m16nedf2 _m16gtdf2 _m16gedf2 _m16ledf2 _m16ltdf2 \
! _m16unorddf2 \
! _m16fltsidf _m16fix_truncdfsi _m16fltunsidf \
_m16retsf _m16retdf \
_m16retsc _m16retdc \
_m16stub1 _m16stub2 _m16stub5 _m16stub6 _m16stub9 _m16stub10 \
Index: gcc/config/mips/t-r3900
===================================================================
*** gcc/config/mips/t-r3900 (revision 127069)
--- gcc/config/mips/t-r3900 (working copy)
***************
*** 1,11 ****
LIB1ASMSRC = mips/mips16.S
LIB1ASMFUNCS = _m16addsf3 _m16subsf3 _m16mulsf3 _m16divsf3 \
_m16eqsf2 _m16nesf2 _m16gtsf2 _m16gesf2 _m16lesf2 _m16ltsf2 \
! _m16fltsisf _m16fix_truncsfsi \
_m16adddf3 _m16subdf3 _m16muldf3 _m16divdf3 \
_m16extsfdf2 _m16trdfsf2 \
_m16eqdf2 _m16nedf2 _m16gtdf2 _m16gedf2 _m16ledf2 _m16ltdf2 \
! _m16fltsidf _m16fix_truncdfsi \
_m16retsf _m16retdf \
_m16retsc _m16retdc \
_m16stub1 _m16stub2 _m16stub5 _m16stub6 _m16stub9 _m16stub10 \
--- 1,13 ----
LIB1ASMSRC = mips/mips16.S
LIB1ASMFUNCS = _m16addsf3 _m16subsf3 _m16mulsf3 _m16divsf3 \
_m16eqsf2 _m16nesf2 _m16gtsf2 _m16gesf2 _m16lesf2 _m16ltsf2 \
! _m16unordsf2 \
! _m16fltsisf _m16fix_truncsfsi _m16fltunsisf \
_m16adddf3 _m16subdf3 _m16muldf3 _m16divdf3 \
_m16extsfdf2 _m16trdfsf2 \
_m16eqdf2 _m16nedf2 _m16gtdf2 _m16gedf2 _m16ledf2 _m16ltdf2 \
! _m16unorddf2 \
! _m16fltsidf _m16fix_truncdfsi _m16fltunsidf \
_m16retsf _m16retdf \
_m16retsc _m16retdc \
_m16stub1 _m16stub2 _m16stub5 _m16stub6 _m16stub9 _m16stub10 \