[gas][aarch64] Turn on SVE when using f32mm or f64mm extensions

Matthew Malcomson Matthew.Malcomson@arm.com
Mon Jan 13 11:31:00 GMT 2020


There are no instructions under these matrix multiply extensions that
can be used without having SVE enabled.
Since these extensions require SVE, we make that explicit in the options
table.

Tested on aarch64-none-elf without regressions.

gas/ChangeLog:

2020-01-13  Matthew Malcomson  <matthew.malcomson@arm.com>

	* config/tc-aarch64.c (f64mm, f32mm): Add sve as a feature
	dependency.



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diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index 8fa8657afcda44983dd21a7aea0b986904f62d6a..4f9c6030c560841527d007429ef1f11bac02330a 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -9063,9 +9063,9 @@ static const struct aarch64_option_cpu_value_table aarch64_features[] = {
   {"i8mm",		AARCH64_FEATURE (AARCH64_FEATURE_I8MM, 0),
 			AARCH64_ARCH_NONE},
   {"f32mm",		AARCH64_FEATURE (AARCH64_FEATURE_F32MM, 0),
-			AARCH64_ARCH_NONE},
+			AARCH64_FEATURE (AARCH64_FEATURE_SVE, 0)},
   {"f64mm",		AARCH64_FEATURE (AARCH64_FEATURE_F64MM, 0),
-			AARCH64_ARCH_NONE},
+			AARCH64_FEATURE (AARCH64_FEATURE_SVE, 0)},
   {NULL,		AARCH64_ARCH_NONE, AARCH64_ARCH_NONE},
 };
 

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