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[AArch64] Fix fp16 test failures after PR82964 fix 

This fixes test failures in gcc.target/aarch64/f16_mov_immediate_*.c
after fixing PR82964.  The check for a scalar floating point constant
didn't include 16-bit floating point modes, so use GET_MODE_CLASS
instead.

    gcc/
	PR target/82964
	* config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
	Use GET_MODE_CLASS for scalar floating point.

From-SVN: r256854
This commit is contained in:
Wilco Dijkstra 2018-01-18 16:37:44 +00:00 committed by Wilco Dijkstra
parent cbb4e4ca11
commit 9f7b87cad7
2 changed files with 7 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-01-18 Wilco Dijkstra <wdijkstr@arm.com>
PR target/82964
* config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
Use GET_MODE_CLASS for scalar floating point.
2018-01-18 Jan Hubicka <hubicka@ucw.cz>
PR ipa/82256

3
gcc/config/aarch64/aarch64.c
View File

@ -11757,8 +11757,7 @@ aarch64_legitimate_constant_p (machine_mode mode, rtx x)
{
/* Support CSE and rematerialization of common constants. */
if (CONST_INT_P (x)
|| (CONST_DOUBLE_P (x)
&& (mode == SFmode || mode == DFmode || mode == TFmode))
|| (CONST_DOUBLE_P (x) && GET_MODE_CLASS (mode) == MODE_FLOAT)
|| GET_CODE (x) == CONST_VECTOR)
return true;