[gcc r12-2264] Change rs6000_const_f32_to_i32 return type.

[gcc r12-2264] Change rs6000_const_f32_to_i32 return type.

[Michael Meissner]

https://gcc.gnu.org/g:7591309696537212a1d0497bc09c09b7abc7e650

commit r12-2264-g7591309696537212a1d0497bc09c09b7abc7e650
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Mon Jul 12 23:50:38 2021 -0400

    Change rs6000_const_f32_to_i32 return type.
    
    The function rs6000_const_f32_to_i32 called REAL_VALUE_TO_TARGET_SINGLE
    with a long long type and returns it.  This patch changes the type to long
    which is the proper type for REAL_VALUE_TO_TARGET_SINGLE.
    
    2021-07-12  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
            * config/rs6000/altivec.md (xxspltiw_v4sf): Change local variable
            value to to long.
            * config/rs6000/rs6000-protos.h (rs6000_const_f32_to_i32): Change
            return type to long.
            * config/rs6000/rs6000.c (rs6000_const_f32_to_i32): Change return
            type to long.

Diff:
---
 gcc/config/rs6000/altivec.md      | 2 +-
 gcc/config/rs6000/rs6000-protos.h | 2 +-
 gcc/config/rs6000/rs6000.c        | 6 ++++--
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/gcc/config/rs6000/altivec.md b/gcc/config/rs6000/altivec.md
index dad3a07841c..a20d6ac16b5 100644
--- a/gcc/config/rs6000/altivec.md
+++ b/gcc/config/rs6000/altivec.md
@@ -863,7 +863,7 @@
 		     UNSPEC_XXSPLTIW))]
  "TARGET_POWER10"
 {
-  long long value = rs6000_const_f32_to_i32 (operands[1]);
+  long value = rs6000_const_f32_to_i32 (operands[1]);
   emit_insn (gen_xxspltiw_v4sf_inst (operands[0], GEN_INT (value)));
   DONE;
 })
diff --git a/gcc/config/rs6000/rs6000-protos.h b/gcc/config/rs6000/rs6000-protos.h
index 9de294d3b28..94bf961c6b7 100644
--- a/gcc/config/rs6000/rs6000-protos.h
+++ b/gcc/config/rs6000/rs6000-protos.h
@@ -281,7 +281,7 @@ extern void rs6000_asm_output_dwarf_pcrel (FILE *file, int size,
 					   const char *label);
 extern void rs6000_asm_output_dwarf_datarel (FILE *file, int size,
 					     const char *label);
-extern long long rs6000_const_f32_to_i32 (rtx operand);
+extern long rs6000_const_f32_to_i32 (rtx operand);
 
 /* Declare functions in rs6000-c.c */
 
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 9a5db63d0ef..de11de5e079 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -27936,10 +27936,12 @@ rs6000_invalid_conversion (const_tree fromtype, const_tree totype)
   return NULL;
 }
 
-long long
+/* Convert a SFmode constant to the integer bit pattern.  */
+
+long
 rs6000_const_f32_to_i32 (rtx operand)
 {
-  long long value;
+  long value;
   const struct real_value *rv = CONST_DOUBLE_REAL_VALUE (operand);
 
   gcc_assert (GET_MODE (operand) == SFmode);