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* [gcc(refs/users/meissner/heads/work100)] Allow __ibm128 with -msoft-float (PR target/105334)
@ 2022-09-09 18:15 Michael Meissner
0 siblings, 0 replies; only message in thread
From: Michael Meissner @ 2022-09-09 18:15 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:5b604c7aec602ea2236b10f604f5093b1911bd92
commit 5b604c7aec602ea2236b10f604f5093b1911bd92
Author: Michael Meissner <meissner@linux.ibm.com>
Date: Fri Sep 9 14:13:00 2022 -0400
Allow __ibm128 with -msoft-float (PR target/105334)
This patch allows __ibm128 to be used on systems with software floating point
enabled. Previously, we required hardware floating point to be enabled to use
__ibm128 keyword and the __ibm128 built-in functions. This patch fixes PR
target/105334.
2022-09-09 Michael Meissner <meissner@linux.ibm.com>
gcc/
PR target/105334
* config/rs6000/rs6000.cc (init_float128_ibm): Do not require hardware
floating point for the IBM 128-bit floating point comparison functions.
* config/rs6000/rs6000.h (FLOAT128_IBM_P): Do not require hardware
floating point to enable recognizing IBM 128-bit floating point modes.
Diff:
---
gcc/config/rs6000/rs6000.cc | 37 +++++++++++++++++--------------------
gcc/config/rs6000/rs6000.h | 2 +-
2 files changed, 18 insertions(+), 21 deletions(-)
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 00fe4c6ab28..1c5436208f1 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -10910,26 +10910,23 @@ init_float128_ibm (machine_mode mode)
set_optab_libfunc (smul_optab, mode, "__gcc_qmul");
set_optab_libfunc (sdiv_optab, mode, "__gcc_qdiv");
- if (!TARGET_HARD_FLOAT)
- {
- set_optab_libfunc (neg_optab, mode, "__gcc_qneg");
- set_optab_libfunc (eq_optab, mode, "__gcc_qeq");
- set_optab_libfunc (ne_optab, mode, "__gcc_qne");
- set_optab_libfunc (gt_optab, mode, "__gcc_qgt");
- set_optab_libfunc (ge_optab, mode, "__gcc_qge");
- set_optab_libfunc (lt_optab, mode, "__gcc_qlt");
- set_optab_libfunc (le_optab, mode, "__gcc_qle");
- set_optab_libfunc (unord_optab, mode, "__gcc_qunord");
-
- set_conv_libfunc (sext_optab, mode, SFmode, "__gcc_stoq");
- set_conv_libfunc (sext_optab, mode, DFmode, "__gcc_dtoq");
- set_conv_libfunc (trunc_optab, SFmode, mode, "__gcc_qtos");
- set_conv_libfunc (trunc_optab, DFmode, mode, "__gcc_qtod");
- set_conv_libfunc (sfix_optab, SImode, mode, "__gcc_qtoi");
- set_conv_libfunc (ufix_optab, SImode, mode, "__gcc_qtou");
- set_conv_libfunc (sfloat_optab, mode, SImode, "__gcc_itoq");
- set_conv_libfunc (ufloat_optab, mode, SImode, "__gcc_utoq");
- }
+ set_optab_libfunc (neg_optab, mode, "__gcc_qneg");
+ set_optab_libfunc (eq_optab, mode, "__gcc_qeq");
+ set_optab_libfunc (ne_optab, mode, "__gcc_qne");
+ set_optab_libfunc (gt_optab, mode, "__gcc_qgt");
+ set_optab_libfunc (ge_optab, mode, "__gcc_qge");
+ set_optab_libfunc (lt_optab, mode, "__gcc_qlt");
+ set_optab_libfunc (le_optab, mode, "__gcc_qle");
+ set_optab_libfunc (unord_optab, mode, "__gcc_qunord");
+
+ set_conv_libfunc (sext_optab, mode, SFmode, "__gcc_stoq");
+ set_conv_libfunc (sext_optab, mode, DFmode, "__gcc_dtoq");
+ set_conv_libfunc (trunc_optab, SFmode, mode, "__gcc_qtos");
+ set_conv_libfunc (trunc_optab, DFmode, mode, "__gcc_qtod");
+ set_conv_libfunc (sfix_optab, SImode, mode, "__gcc_qtoi");
+ set_conv_libfunc (ufix_optab, SImode, mode, "__gcc_qtou");
+ set_conv_libfunc (sfloat_optab, mode, SImode, "__gcc_itoq");
+ set_conv_libfunc (ufloat_optab, mode, SImode, "__gcc_utoq");
}
else
{
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index ee14aa974c1..a52e36dfe22 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -337,7 +337,7 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
#define FLOAT128_IBM_P(MODE) \
((!TARGET_IEEEQUAD && TARGET_LONG_DOUBLE_128 \
&& ((MODE) == TFmode || (MODE) == TCmode)) \
- || (TARGET_HARD_FLOAT && ((MODE) == IFmode || (MODE) == ICmode)))
+ || ((MODE) == IFmode || (MODE) == ICmode))
/* Helper macros to say whether a 128-bit floating point type can go in a
single vector register, or whether it needs paired scalar values. */
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