From: Ben Skeggs <skeggsb@gmail.com>
Date: Sat, 7 Jun 2008 07:36:10 +0000 (+1000)
Subject: nv50: create emit_pow() - emit_lit() will need to use it
X-Git-Tag: 062012170305~17580^2~496^2~298^2~16^2~167
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=faa1c02546db00f69c66db18076b5b0ac86d7138;p=profile%2Fivi%2Fmesa.git

nv50: create emit_pow() - emit_lit() will need to use it
---

diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index b013435..bc0a834 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -627,6 +627,7 @@ emit_preex2(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
 
 	emit(pc, inst);
 }
+
 /*XXX: inaccurate results.. why? */
 #define ALLOW_SET_SWAP 0
 
@@ -694,6 +695,20 @@ emit_flr(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
 	emit(pc, inst);
 }
 
+static void
+emit_pow(struct nv50_pc *pc, struct nv50_reg *dst,
+	 struct nv50_reg *v, struct nv50_reg *e)
+{
+	struct nv50_reg *temp = alloc_temp(pc, NULL);
+
+	emit_flop(pc, 3, temp, v);
+	emit_mul(pc, temp, temp, e);
+	emit_preex2(pc, temp, temp);
+	emit_flop(pc, 6, dst, temp);
+
+	free_temp(pc, temp);
+}
+
 static boolean
 nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
 {
@@ -875,10 +890,7 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
 		break;
 	case TGSI_OPCODE_POW:
 		temp = alloc_temp(pc, NULL);
-		emit_flop(pc, 3, temp, src[0][0]);
-		emit_mul(pc, temp, temp, src[1][0]);
-		emit_preex2(pc, temp, temp);
-		emit_flop(pc, 6, temp, temp);
+		emit_pow(pc, temp, src[0][0], src[1][0]);
 		for (c = 0; c < 4; c++) {
 			if (!(mask & (1 << c)))
 				continue;